/* ============================================================
   RS Drone — one-page site
   ============================================================ */

:root {
  --bg: #0b0d0e;
  --bg-soft: #14181a;
  --bg-soft-2: #1b2023;
  --fg: #f4f0e8;
  --fg-dim: #9aa1a6;
  --fg-faint: #5c6367;
  --accent: #ff5a1f;
  --accent-2: #ffb347;
  --accent-dim: rgba(255, 90, 31, 0.14);
  --line: rgba(244, 240, 232, 0.1);
  --line-soft: rgba(244, 240, 232, 0.05);

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

  --nav-w: 11.5rem;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; }
svg { display: block; }

/* ---------- grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: var(--nav-w);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1.5rem, 4vw, 3.5rem);
  mix-blend-mode: difference;
}

.logo { display: flex; align-items: center; gap: 0.65rem; }

.logo-badge {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

.logo-word {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.32em;
  color: var(--fg);
}

.header-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg);
  border: 1px solid var(--fg);
  padding: 0.55rem 1.1rem;
  transition: background 0.25s ease, color 0.25s ease;
}

.header-cta:hover { background: var(--fg); color: var(--bg); }

/* ---------- side nav ---------- */
.side-nav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: var(--nav-w);
  z-index: 450;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  padding-right: 2.25rem;
  background: linear-gradient(180deg, rgba(11,13,14,0) 0%, rgba(11,13,14,0.4) 50%, rgba(11,13,14,0) 100%);
}

.side-nav-track {
  position: absolute;
  top: 12%;
  bottom: 12%;
  right: 2.25rem;
  width: 1px;
  background: var(--line);
}

.side-nav-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: var(--accent);
  transition: height 0.15s linear;
}

.side-nav ul {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.6rem;
}

.side-nav a {
  position: relative;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 0.65rem;
  height: 1.4rem;
}

.side-nav .dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--fg-faint);
  border: 1px solid transparent;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  flex-shrink: 0;
}

.side-nav .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  white-space: nowrap;
  transform-origin: right center;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.side-nav a:hover .label {
  color: var(--fg);
}

.side-nav a.active .label {
  color: var(--fg);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.side-nav a:hover .dot {
  background: var(--accent-2);
}

.side-nav a.active .dot {
  background: var(--accent);
  width: 0.85rem;
  height: 0.85rem;
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.side-nav a.active .label { color: var(--fg); }

/* ---------- layout base ---------- */
main { margin-right: var(--nav-w); }

.section {
  position: relative;
  padding: clamp(5rem, 12vh, 8rem) clamp(1.75rem, 6vw, 5rem);
}

.section-inner { max-width: 74rem; margin: 0 auto; }

.kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.section h2 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 0.96;
  margin-bottom: 2.75rem;
}

/* ---------- hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  background:
    radial-gradient(ellipse 90% 60% at 82% 8%, rgba(255,90,31,0.16), transparent 60%),
    radial-gradient(ellipse 70% 50% at 10% 100%, rgba(255,90,31,0.06), transparent 60%),
    var(--bg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 75%);
  pointer-events: none;
}

.hero-content { position: relative; max-width: 52rem; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  margin-bottom: 1.75rem;
}

.eyebrow-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-dim);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,90,31,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(255,90,31,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,90,31,0); }
}

.hero h1 {
  font-size: clamp(3.4rem, 9.5vw, 7.5rem);
  line-height: 0.88;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.hero h1 .outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--fg);
  text-stroke: 2px var(--fg);
}

.hero-lede {
  margin-top: 1.75rem;
  max-width: 32rem;
  font-size: 1.1rem;
  color: var(--fg-dim);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.75rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 1.7rem;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-primary { background: var(--accent); color: #100701; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); }

.btn-ghost { border-color: var(--line); color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg); background: var(--line-soft); }

.hero-coords {
  position: absolute;
  bottom: 6.5rem;
  left: clamp(1.75rem, 6vw, 5rem);
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}

.scroll-cue {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 3rem;
  background: var(--line);
}

.scroll-cue span {
  position: absolute;
  top: 0;
  left: -1px;
  width: 3px;
  height: 0.7rem;
  background: var(--accent);
  animation: scrollcue 1.8s ease-in-out infinite;
}

@keyframes scrollcue {
  0% { top: 0; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 2.3rem; opacity: 0; }
}

/* ---------- om oss ---------- */
.om { background: var(--bg); border-top: 1px solid var(--line); }

.om-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.om-text { font-size: 1.15rem; color: var(--fg-dim); max-width: 34rem; }

.om-stats {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  border-left: 1px solid var(--line);
  padding-left: 2rem;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

/* ---------- tenester ---------- */
.tenester { background: var(--bg-soft); border-top: 1px solid var(--line); }

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  background: var(--bg-soft);
  padding: 2.75rem 2.25rem;
  transition: background 0.3s ease;
}

.service-card:hover { background: var(--bg-soft-2); }

.service-icon {
  width: 3rem;
  height: 3rem;
  color: var(--accent);
  margin-bottom: 1.75rem;
}

.service-card h3 {
  font-size: 1.6rem;
  margin-bottom: 0.85rem;
}

.service-card p { color: var(--fg-dim); font-size: 0.98rem; }

/* ---------- galleri ---------- */
.galleri { background: var(--bg); border-top: 1px solid var(--line); }

.galleri-note { color: var(--fg-dim); max-width: 32rem; margin-top: -1.5rem; margin-bottom: 2.5rem; }

.galleri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 14rem;
  gap: 0.9rem;
}

.galleri-tile--wide { grid-column: span 2; }

.galleri-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
  background:
    repeating-linear-gradient(135deg, var(--bg-soft-2) 0 14px, var(--bg-soft) 14px 28px);
  border: 1px solid var(--line);
}

.galleri-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.55) 100%);
}

.galleri-tile span {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.galleri-tile:hover span { color: var(--accent-2); }

button.galleri-tile {
  width: 100%;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
  appearance: none;
  transition: border-color 0.2s ease;
}

button.galleri-tile:hover,
button.galleri-tile:focus-visible {
  border-color: var(--accent);
}

button.galleri-tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.galleri-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

button.galleri-tile:hover img { transform: scale(1.04); }

.galleri-tile--placeholder { color: var(--fg-dim); }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: var(--nav-w);
  z-index: 550;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 6, 7, 0.92);
  padding: 3rem 4.5rem;
}

.lightbox[hidden] { display: none; }

.lightbox-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  max-width: 100%;
  max-height: 100%;
}

.lightbox-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--line);
}

.lightbox-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  text-align: center;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover,
.lightbox-close:focus-visible,
.lightbox-prev:focus-visible,
.lightbox-next:focus-visible {
  border-color: var(--accent);
  color: var(--accent-2);
  outline: none;
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
  width: 2.6rem;
  height: 2.6rem;
  font-size: 1.6rem;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  font-size: 2rem;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

@media (max-width: 720px) {
  .lightbox { padding: 4.5rem 1rem 6rem; }
  .lightbox-prev, .lightbox-next { width: 2.6rem; height: 2.6rem; font-size: 1.6rem; }
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

/* ---------- kontakt ---------- */
.kontakt { background: var(--bg-soft); border-top: 1px solid var(--line); }

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.kontakt-list { display: flex; flex-direction: column; gap: 1.6rem; }

.kontakt-list li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.kontakt-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.kontakt-list a,
.kontakt-list span:not(.kontakt-label) {
  font-size: 1.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.kontakt-list a { transition: color 0.2s ease; }
.kontakt-list a:hover { color: var(--accent); }

.kontakt-map {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  overflow: hidden;
}

.map-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-ring {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.map-spoke {
  stroke: var(--line-soft);
  stroke-width: 1;
}

.map-land {
  fill: rgba(244, 240, 232, 0.07);
  stroke: var(--fg-faint);
  stroke-width: 1.25;
  stroke-linejoin: round;
}

.map-land--stord {
  fill: var(--accent-dim);
  stroke: var(--fg-dim);
  stroke-width: 1.5;
}

.map-sweep {
  transform-origin: 250px 254px;
  animation: sweep 7s linear infinite;
}

.map-sweep path {
  fill: var(--accent);
  opacity: 0.05;
}

@keyframes sweep {
  to { transform: rotate(360deg); }
}

.map-pin-dot {
  fill: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent-dim));
}

.map-pin-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  opacity: 0.4;
  transform-box: fill-box;
  transform-origin: center;
  animation: ping 2.6s ease-out infinite;
}

.map-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  fill: var(--fg-faint);
  text-anchor: middle;
}

.map-label--stord {
  fill: var(--fg);
  font-size: 14px;
  font-weight: 500;
}

.kontakt-map-label {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

@keyframes ping {
  0% { transform: scale(0.5); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ---------- footer ---------- */
.site-footer {
  margin-right: var(--nav-w);
  padding: 2.25rem clamp(1.75rem, 6vw, 5rem);
  display: flex;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-faint);
  border-top: 1px solid var(--line);
}

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  :root { --nav-w: 3.4rem; }
  .side-nav .label { display: none; }
  .om-grid, .kontakt-grid { grid-template-columns: 1fr; }
  .om-stats { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.75rem; }
  .service-cards { grid-template-columns: 1fr; }
  .kontakt-map { display: none; }
  .hero-coords { display: none; }
}

@media (max-width: 560px) {
  .side-nav { display: none; }
  main, .site-footer { margin-right: 0; }
  .site-header, .lightbox { right: 0; }
  .galleri-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 10rem; }
  .galleri-tile--wide { grid-column: span 2; }
}