/* ============================================================
   AKVATEC — akvatec.no
   Mørkt nordisk maritimt design. Archivo (display) + IBM Plex Mono.
   ============================================================ */

:root {
  --hav:    #05090F;   /* dypeste bakgrunn */
  --dyp:    #0A121C;   /* seksjonsbakgrunn */
  --panel:  #0E1926;
  --line:   rgba(158, 182, 203, 0.16);
  --is:     #DCE6ED;   /* kald lys tekst */
  --taake:  #8CA1B3;   /* dempet tekst */
  --signal: #FF5A1F;   /* signaloransje */
  --sonar:  #46D5C8;   /* kald teal — brukes ytterst sparsomt */

  --font-sans: "Archivo", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --gutter: clamp(1.25rem, 5vw, 6rem);
  --rail: clamp(0rem, 4vw, 4.5rem); /* plass til dybdemåler */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--hav);
  color: var(--is);
  font-family: var(--font-sans);
  font-weight: 420;
  font-size: clamp(1rem, 0.4vw + 0.9rem, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--signal); color: var(--hav); }

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

a { color: inherit; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--taake);
}

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

/* ---------- korn / atmosfære ---------- */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none;
  z-index: 60;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(2) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  50% { transform: translate(1.5%, -1%); }
  100% { transform: translate(-1%, 1.5%); }
}

/* ---------- dybdemåler (venstre marg) ---------- */
.depth-rail {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 4.5rem;
  z-index: 40;
  pointer-events: none;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.depth-track {
  position: relative;
  width: 1px;
  margin: 7rem 0 3rem;
  background: var(--line);
}
.depth-ticks {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--taake) 0, var(--taake) 1px,
    transparent 1px, transparent 12.5%
  );
  opacity: 0.55;
  width: 9px;
  left: -4px;
}
.depth-marker {
  position: absolute;
  left: -4px;
  top: 0;
  width: 9px; height: 2px;
  background: var(--signal);
  transition: top 0.18s ease-out;
}
.depth-value {
  position: absolute;
  left: 16px; top: -0.55em;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--signal);
  white-space: nowrap;
}
@media (max-width: 900px) { .depth-rail { display: none; } }

/* ---------- navigasjon ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem var(--gutter);
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.nav.scrolled {
  background: rgba(5, 9, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
  padding-block: 0.75rem;
}
.brand {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none;
}
.mark { width: 2rem; height: 2rem; color: var(--is); flex: none; }
.mark-echo { stroke: var(--signal); }
.brand-name {
  font-weight: 800;
  font-stretch: 118%;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-size: 1.02rem;
  translate: 0 1px;
}
.nav-coords { margin-left: auto; }
@media (max-width: 1100px) { .nav-coords { display: none; } }
.nav-links {
  display: flex; align-items: center; gap: 1.8rem;
  margin-left: auto;
}
.nav-coords + .nav-links { margin-left: 0; }
.nav-links a {
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 560;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--taake);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--is); }
.nav-links .nav-cta {
  color: var(--hav);
  background: var(--is);
  padding: 0.55em 1.1em;
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta:hover { background: var(--signal); color: var(--hav); }
@media (max-width: 700px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- knapper ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 640;
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1em 1.9em;
  border: 1px solid transparent;
  transition: background 0.22s, color 0.22s, border-color 0.22s, translate 0.22s;
}
.btn-solid { background: var(--signal); color: var(--hav); }
.btn-solid:hover { background: var(--is); translate: 0 -2px; }
.btn-ghost { border-color: rgba(220, 230, 237, 0.35); color: var(--is); }
.btn-ghost:hover { border-color: var(--is); background: rgba(220, 230, 237, 0.07); translate: 0 -2px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 68% 42%;
  filter: saturate(0.72) contrast(1.06) brightness(0.8);
  animation: hero-drift 26s ease-out both;
}
@keyframes hero-drift {
  from { scale: 1.08; }
  to   { scale: 1; }
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(5,9,15,0.96) 0%, rgba(5,9,15,0.45) 34%, rgba(5,9,15,0.18) 60%, rgba(5,9,15,0.42) 100%),
    linear-gradient(100deg, rgba(5,9,15,0.85) 0%, rgba(5,9,15,0.25) 55%, rgba(5,9,15,0.05) 100%);
}
.hero-inner {
  padding: 0 var(--gutter) clamp(4rem, 9vh, 7rem) calc(var(--gutter) + var(--rail));
  max-width: 72rem;
}
.eyebrow { color: var(--is); opacity: 0.82; margin-bottom: 1.6rem; }
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.4em; height: 1px;
  background: var(--signal);
  vertical-align: middle;
  margin-right: 1em;
}
.hero h1 {
  font-size: clamp(3rem, 9.5vw, 8.25rem);
  font-weight: 860;
  font-stretch: 116%;
  line-height: 0.94;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}
.lede {
  max-width: 34em;
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.55;
  color: var(--is);
  opacity: 0.9;
  margin-bottom: 2.4rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* rullebånd nederst i hero */
.hero-strip {
  border-top: 1px solid rgba(220, 230, 237, 0.18);
  background: rgba(5, 9, 15, 0.55);
  backdrop-filter: blur(6px);
  overflow: hidden;
  white-space: nowrap;
  mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}
.strip-track {
  display: inline-flex;
  align-items: center;
  gap: 2.6rem;
  padding: 0.95rem 0;
  color: var(--is);
  opacity: 0.75;
  animation: strip-scroll 36s linear infinite;
}
.strip-track i { font-style: normal; color: var(--signal); font-size: 0.6rem; }
@keyframes strip-scroll {
  to { transform: translateX(-50%); }
}

/* ---------- seksjonsskjelett ---------- */
.section {
  position: relative;
  padding: clamp(5rem, 11vh, 9rem) var(--gutter);
  padding-left: calc(var(--gutter) + var(--rail));
}
.section-head {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: clamp(3rem, 6vh, 5rem);
}
.section-head .index {
  color: var(--signal);
  font-size: 0.8rem;
}
.section-head .rule {
  flex: 1;
  height: 1px;
  background: var(--line);
}
.section-head .label { flex: none; }

h2 {
  font-weight: 820;
  font-stretch: 112%;
  text-transform: uppercase;
  line-height: 1.02;
  letter-spacing: -0.01em;
}
h2 em, .kontakt-tittel em, .flaate-text em {
  font-style: normal;
  color: var(--signal);
}

/* ---------- 01 om ---------- */
.om { background: var(--dyp); }
.om-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.statement {
  font-size: clamp(1.9rem, 4.2vw, 3.6rem);
  max-width: 14em;
}
.statement em { display: block; margin-top: 0.35em; }
.om-body {
  padding-top: 0.6rem;
  color: var(--taake);
  max-width: 36em;
}
.om-body p + p { margin-top: 1.2em; }
.om-body p:first-child { color: var(--is); }
.om-photo {
  position: relative;
  margin-top: clamp(1rem, 3vh, 2rem);
}
.om-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}
figcaption.mono, .om-photo figcaption, figure figcaption {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--taake);
}
figure figcaption::before { content: "▸ "; color: var(--signal); }
.facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line);
}
.facts > div {
  padding: 1.5rem 1.6rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.facts > div:nth-child(2n) { border-right: none; }
.facts > div:nth-child(n+3) { border-bottom: none; }
.facts dt { font-size: 0.62rem; color: var(--taake); margin-bottom: 0.5rem; }
.facts dd {
  font-family: var(--font-sans);
  font-weight: 740;
  font-stretch: 110%;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--is);
}
@media (max-width: 900px) {
  .om-grid { grid-template-columns: 1fr; }
}

/* ---------- 02 tjenester ---------- */
.tjenester { background: var(--hav); }
.service-list { list-style: none; }
.service {
  position: relative;
  display: grid;
  grid-template-columns: 5rem minmax(0, 4fr) minmax(0, 6fr);
  gap: 1.5rem 2rem;
  align-items: baseline;
  padding: 2.1rem 1.2rem;
  border-top: 1px solid var(--line);
  transition: background 0.25s, padding-left 0.25s;
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service::before {
  content: "";
  position: absolute;
  left: 0; top: -1px; bottom: -1px;
  width: 0;
  background: var(--signal);
  transition: width 0.25s ease;
}
.service:hover { background: var(--panel); padding-left: 2rem; }
.service:hover::before { width: 4px; }
.s-index { color: var(--signal); font-size: 0.78rem; }
.service h3 {
  font-weight: 780;
  font-stretch: 112%;
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
}
.service p { color: var(--taake); max-width: 34em; }
@media (max-width: 800px) {
  .service { grid-template-columns: 3rem 1fr; }
  .service p { grid-column: 2; }
}

/* ---------- sitatbånd ---------- */
.band {
  position: relative;
  min-height: 68svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  padding: 6rem var(--gutter);
}
.band-media { position: absolute; inset: 0; z-index: -1; }
.band-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.5) contrast(1.05);
}
.band-media::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(5,9,15,0.25) 0%, rgba(5,9,15,0.78) 100%);
}
.band-inner { position: relative; }
.band-quote {
  font-weight: 840;
  font-stretch: 114%;
  font-size: clamp(1.9rem, 4.6vw, 4rem);
  line-height: 1.05;
  text-transform: uppercase;
  max-width: 17em;
}
.band-sub { margin-top: 1.4rem; color: var(--is); opacity: 0.75; }
/* sonarringer */
.sonar {
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% -50%;
  z-index: -1;
}
.sonar i {
  position: absolute;
  left: 50%; top: 50%;
  width: 12rem; height: 12rem;
  translate: -50% -50%;
  border: 1px solid var(--sonar);
  border-radius: 50%;
  opacity: 0;
  animation: ping 5.2s cubic-bezier(0.1, 0.5, 0.4, 1) infinite;
}
.sonar i:nth-child(2) { animation-delay: 1.7s; }
.sonar i:nth-child(3) { animation-delay: 3.4s; }
@keyframes ping {
  0%   { scale: 0.25; opacity: 0; }
  12%  { opacity: 0.5; }
  100% { scale: 3.2; opacity: 0; }
}

/* ---------- 03 flåten ---------- */
.flaaten { background: var(--dyp); }
.flaate-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 5vw, 5rem);
}
.flaate-text h2 { font-size: clamp(2rem, 4.4vw, 3.8rem); margin-bottom: 1.6rem; }
.flaate-text p { color: var(--taake); max-width: 30em; margin-bottom: 2rem; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chips li {
  border: 1px solid var(--line);
  color: var(--is);
  padding: 0.55em 1em;
  font-size: 0.66rem;
}
.chips li::before { content: "• "; color: var(--signal); }
.flaate-photo.main img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}
.flaate-photo.minor {
  width: min(58%, 26rem);
  margin-top: -14%;
  margin-left: auto;
  margin-right: clamp(0rem, 4vw, 3rem);
  position: relative;
  z-index: 2;
  box-shadow: -18px 24px 60px rgba(0, 0, 0, 0.55);
}
.flaate-photo.minor img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
  border: 1px solid rgba(220, 230, 237, 0.12);
}
.flaate-grid > .flaate-text { grid-row: span 2; }
@media (max-width: 900px) {
  .flaate-grid { grid-template-columns: 1fr; }
  .flaate-photo.minor { margin-top: -10%; }
}

/* ---------- 04 område ---------- */
.omraade {
  background: var(--hav);
  overflow: hidden;
}
.isobath {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}
.isobath path {
  fill: none;
  stroke: var(--sonar);
  stroke-width: 1;
  opacity: 0.10;
}
.isobath path:nth-child(odd) { stroke: var(--taake); opacity: 0.09; }
.omraade .section-head, .omraade-grid { position: relative; z-index: 1; }
.omraade-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.omraade h2 { grid-column: 1; grid-row: 1; font-size: clamp(2.1rem, 4.6vw, 4rem); }
.omraade-lede { grid-column: 2; grid-row: 1; align-self: end; color: var(--taake); max-width: 30em; }
.steder {
  grid-column: 2;
  grid-row: 2;
  list-style: none;
  border-top: 1px solid var(--line);
}
.steder li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding: 1.05rem 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s, padding-left 0.2s;
}
.steder li:hover { background: rgba(220, 230, 237, 0.04); padding-left: 1rem; }
.steder .sted { color: var(--is); font-size: 0.78rem; }
.steder .sted .hq { color: var(--signal); font-weight: 500; }
.steder .koord { font-size: 0.66rem; opacity: 0.7; }
.steder li:first-child .sted::after {
  content: "";
  display: inline-block;
  width: 0.5em; height: 0.5em;
  border-radius: 50%;
  background: var(--signal);
  margin-left: 0.7em;
  animation: blink 2.2s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
.omraade-photo { grid-column: 1; grid-row: 2; }
.omraade-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.02);
}
@media (max-width: 900px) {
  .omraade-grid { grid-template-columns: 1fr; }
  .omraade-grid > * { grid-column: auto !important; grid-row: auto !important; }
}

/* ---------- 05 kontakt ---------- */
.kontakt {
  background: var(--dyp);
  text-align: left;
  padding-bottom: clamp(6rem, 12vh, 10rem);
}
.kontakt-tittel {
  font-size: clamp(2.6rem, 7vw, 6.4rem);
  margin-bottom: clamp(2.5rem, 6vh, 4.5rem);
}
.mail-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3.4vw, 2.6rem);
  letter-spacing: 0.04em;
  color: var(--is);
  text-decoration: none;
  border-bottom: 3px solid var(--signal);
  padding-bottom: 0.18em;
  transition: color 0.22s, border-color 0.22s;
}
.mail-link:hover { color: var(--signal); }
.kontakt-sub { margin-top: 2rem; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: var(--hav);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem 3rem;
  padding: 2.2rem var(--gutter);
  padding-left: calc(var(--gutter) + var(--rail));
}
.footer-brand { display: flex; align-items: center; gap: 0.7rem; }
.footer .mark { width: 1.6rem; height: 1.6rem; }
.footer .brand-name { font-size: 0.85rem; }
.footer-fine { margin-left: auto; opacity: 0.65; }
@media (max-width: 700px) { .footer-fine { margin-left: 0; } }

/* ---------- scrollavsløringer ---------- */
.reveal {
  opacity: 0;
  translate: 0 26px;
  transition: opacity 0.8s cubic-bezier(0.2, 0.6, 0.2, 1), translate 0.8s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.in { opacity: 1; translate: 0 0; }
.service.reveal { transition-delay: calc(var(--i, 0) * 60ms); }

/* ---------- redusert bevegelse ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain, .strip-track, .sonar i, .hero-media img { animation: none; }
  .reveal { opacity: 1; translate: none; transition: none; }
}