/* ═══════════════════════════════════════════════════════════════
   Matthew Strouss — Drone Services
   Dark, airy theme with sky/teal accents
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #070d17;
  --bg-alt: #0a1322;
  --panel: #0f1b30;
  --panel-2: #12203a;
  --line: rgba(148, 180, 255, 0.14);
  --line-strong: rgba(148, 180, 255, 0.28);

  --ink: #eaf1fc;
  --muted: #9db0cd;
  --faint: #6b7f9e;

  --accent: #38bdf8;
  --accent-2: #22d3a7;
  --accent-ink: #05131f;

  --grad: linear-gradient(100deg, #38bdf8 0%, #22d3a7 100%);

  --radius: 18px;
  --radius-sm: 10px;

  --shadow-1: 0 10px 30px rgba(2, 6, 16, 0.45);
  --shadow-2: 0 24px 70px rgba(2, 6, 16, 0.6);

  --font-display: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --nav-h: 72px;
}

* { box-sizing: border-box; }

/* reset UA default (figure { margin: 1em 40px }) which offset the carousel slides */
figure { margin: 0; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1100px 500px at 85% -5%, rgba(56, 189, 248, 0.09), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(34, 211, 167, 0.06), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;

  /* undo potree.css's global "full-screen app" body rule
     (position: absolute; width/height: 100%; overflow: hidden),
     which otherwise blocks scrolling on the rest of the page */
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.015em;
}

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.82em;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  word-break: break-all;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -48px; left: 16px;
  z-index: 200;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; text-decoration: none; }

.container {
  width: min(1160px, calc(100% - 48px)) !important;
  margin-inline: auto !important;
}

/* ───────────────────────── NAV ───────────────────────── */

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: rgba(7, 13, 23, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-1);
}

.nav-inner {
  width: min(1280px, calc(100% - 40px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark { border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}
.brand-sub {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--ink); background: rgba(148, 180, 255, 0.08); }
.nav-cta {
  border: 1px solid var(--line-strong);
  background: rgba(56, 189, 248, 0.1);
  color: var(--ink) !important;
}
.nav-cta:hover { background: rgba(56, 189, 248, 0.2); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───────────────────────── HERO ───────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 48px) 0 88px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -60px;
  background: url("../imgs/SING0001.JPG") center 35% / cover no-repeat;
  opacity: 0.42;
  animation: kenburns 26s ease-in-out infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 13, 23, 0.75) 0%, rgba(7, 13, 23, 0.25) 40%, rgba(7, 13, 23, 0.94) 92%),
    radial-gradient(900px 480px at 18% 55%, rgba(7, 13, 23, 0.6), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 180, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 180, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
  max-width: 780px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1.5px;
  background: var(--accent-2);
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 800;
  margin-bottom: 22px;
  text-wrap: balance;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 34px;
}
.hero-lede strong { color: var(--ink); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--grad);
  color: var(--accent-ink);
  box-shadow: 0 10px 30px rgba(45, 190, 200, 0.3);
}
.btn-primary:hover { box-shadow: 0 14px 40px rgba(45, 190, 200, 0.45); }
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(15, 27, 48, 0.55);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); }
.btn-block { width: 100%; }

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--muted);
  opacity: 0.8;
  animation: bob 2.2s ease-in-out infinite;
}
.scroll-hint:hover { color: var(--accent); text-decoration: none; }

/* ───────────────────────── SECTIONS ───────────────────────── */

.section { padding: 104px 0; }
.section-alt {
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(56, 189, 248, 0.05), transparent 60%),
    var(--bg-alt);
  border-block: 1px solid var(--line);
}

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 700; }
.section-lede { color: var(--muted); font-size: 1.06rem; margin: 0; }

.kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

/* ───────────────────────── SERVICE CARDS ───────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: linear-gradient(160deg, var(--panel), rgba(15, 27, 48, 0.55));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-2);
}
.card h3 { font-size: 1.14rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.94rem; margin: 0; }

.card-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.09);
  border: 1px solid rgba(56, 189, 248, 0.22);
  margin-bottom: 18px;
}
.card-icon svg { width: 26px; height: 26px; }

/* ───────────────────────── CAROUSEL ───────────────────────── */

.carousel { position: relative; }

.carousel-viewport {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-2);
  background: #060b14;
  aspect-ratio: 16 / 8.4;
  max-height: 74vh;
  /* On short windows max-height clamps the box and aspect-ratio then
     shrinks the WIDTH (to ~74vh × 16/8.4), leaving the viewport
     narrower than its container and left-aligned. A definite width
     prevents that — the box stays full-width; the ratio simply yields
     to the height clamp. */
  width: 100%;
  margin-inline: auto;
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.65s cubic-bezier(0.22, 0.68, 0.21, 1);
  touch-action: pan-y;
  user-select: none;
}
.carousel.no-anim .carousel-track { transition: none; }

/* !important guards: some security suites / extensions inject styles into
   pages (figure margins, img sizing) that break carousel geometry in
   desktop browsers. These lock the critical layout in place. */
.carousel-slide {
  position: relative;
  /* clip the Ken Burns zoom so scaled images never bleed into
     neighboring slides (caused a sliver of the next photo at the
     right edge) */
  overflow: hidden;
  flex: 0 0 100% !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box;
}
.carousel-slide img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center center !important;
  margin: 0 !important;
  pointer-events: none;
  transform: scale(1);
  transition: transform 6s ease;
}
.carousel-slide.active img { transform: scale(1.12); }

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 50px; height: 50px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: rgba(6, 11, 20, 0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, opacity 0.2s;
}
.carousel-btn:hover { background: rgba(56, 189, 248, 0.25); border-color: var(--accent); }
.carousel-prev { left: 18px; }
.carousel-next { right: 18px; }

.carousel-counter {
  position: absolute;
  top: 18px; right: 18px;
  z-index: 5;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: rgba(6, 11, 20, 0.62);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}
.carousel-dot {
  width: 34px; height: 5px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: var(--line-strong);
  transition: background 0.25s, transform 0.25s;
}
.carousel-dot:hover { background: var(--faint); }
.carousel-dot.active { background: var(--grad); transform: scaleY(1.5); }

/* ───────────────────────── VIEWERS (shared) ───────────────────────── */

.viewer-shell {
  background: linear-gradient(160deg, var(--panel), rgba(15, 27, 48, 0.5));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-1);
}

.viewer-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 4px 14px;
}

.layer-switch { display: flex; flex-wrap: wrap; gap: 8px; }

.layer-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 13, 23, 0.5);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  font-family: var(--font-body);
}
.layer-btn strong { font-size: 0.9rem; color: var(--ink); font-weight: 600; }
.layer-btn small { font-size: 0.72rem; color: var(--faint); }
.layer-btn:hover { border-color: var(--line-strong); }
.layer-btn.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}
.layer-btn.active strong { color: var(--accent); }

.viewer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

.tool {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 13, 23, 0.5);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  font-family: var(--font-body);
}
.tool:hover { border-color: var(--line-strong); color: var(--ink); }
.tool svg { opacity: 0.8; }

.tool select {
  background: transparent;
  color: var(--ink);
  border: 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}
.tool select option { background: var(--panel-2); color: var(--ink); }

.tool input[type="range"] { accent-color: var(--accent); width: 110px; }
.tool input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
.opacity-tool { padding-right: 8px; }

.seg-group {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(7, 13, 23, 0.5);
}
.seg {
  padding: 9px 18px;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-body);
}
.seg + .seg { border-left: 1px solid var(--line); }
.seg:hover { color: var(--ink); }
.seg.active { background: rgba(56, 189, 248, 0.16); color: var(--accent); }

/* ── Map viewer ── */

.map-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #060b14;
}
.ol-map {
  height: clamp(420px, 66vh, 720px);
  width: 100%;
  outline: none;
}

.ol-map .ol-zoom {
  top: 14px; left: 14px;
}
.ol-map .ol-zoom .ol-zoom-in,
.ol-map .ol-zoom .ol-zoom-out {
  background: rgba(6, 11, 20, 0.75);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 34px; height: 34px;
  font-size: 1.05rem;
  font-weight: 500;
}
.ol-map .ol-zoom .ol-zoom-in:hover,
.ol-map .ol-zoom .ol-zoom-out:hover { background: rgba(56, 189, 248, 0.3); }
.ol-map .ol-zoom .ol-zoom-out { margin-top: 4px; }

.ol-map .ol-scale-line {
  bottom: 12px; left: 14px;
  padding: 2px;
}
.ol-map .ol-scale-line-inner {
  border: 1px solid var(--ink);
  border-top: none;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  padding: 1px 4px;
}

.map-coords {
  position: absolute;
  right: 14px; top: 14px;
  z-index: 5;
  background: rgba(6, 11, 20, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-family: ui-monospace, Consolas, monospace;
  color: var(--muted);
  pointer-events: none;
  white-space: nowrap;
}

/* ── Potree viewer ── */

.potree-wrap {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #060b14;
}
#potree_container {
  height: clamp(440px, 70vh, 780px);
  width: 100%;
  position: relative;
}
#potree_container canvas { display: block; }

/* Keep touch gestures on the point cloud — without this, mobile browsers
   claim one-finger drags for page scrolling and pinch for page zoom. */
#potree_container canvas { touch-action: none; }

/* Hide Potree's built-in UI overlays (message log, mini-map, quick
   buttons, compass) — the site provides its own controls. */
#potree_container #message_listing,
#potree_container #potree_map,
#potree_container #potree_description,
#potree_container #potree_quick_buttons,
#potree_container #potree_annotation_container,
#potree_container > img,
#potree_container > .annotation {
  display: none !important;
}

/* ── Loading overlay (both viewers) ── */

.viewer-loading {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(6, 11, 20, 0.7);
  backdrop-filter: blur(4px);
  font-size: 0.9rem;
  color: var(--muted);
  border-radius: 12px;
  transition: opacity 0.4s;
}
.viewer-loading.done { opacity: 0; pointer-events: none; }

.spinner {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 3px solid var(--line-strong);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

/* ───────────────────────── PROCESS ───────────────────────── */

.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  position: relative;
  background: linear-gradient(165deg, var(--panel), rgba(15, 27, 48, 0.45));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.9;
  display: block;
  margin-bottom: 12px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* ───────────────────────── CONTACT ───────────────────────── */

.contact-card {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(150deg, var(--panel-2), rgba(15, 27, 48, 0.5));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow-2);
}
.contact-card h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.contact-lede { color: var(--muted); }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 14px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 0.98rem;
}
.contact-list svg { color: var(--accent); flex: none; }
.contact-list a { color: var(--ink); font-weight: 500; }

.cta-panel {
  background: rgba(7, 13, 23, 0.55);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 30px 28px;
  text-align: center;
}
.cta-panel h3 { font-size: 1.3rem; }
.cta-panel p { color: var(--muted); font-size: 0.92rem; margin-bottom: 22px; }

/* ── Contact form ── */
#contactForm { text-align: left; display: grid; gap: 14px; }
.form-field { display: grid; gap: 6px; }
.form-field span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: rgba(6, 11, 20, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.92rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--accent); }
.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237d8ea8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
  cursor: pointer;
}
.form-field select:invalid { color: var(--faint); }
.form-field select option { background: var(--panel-2); color: var(--ink); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--faint); }
.form-field textarea { resize: vertical; min-height: 84px; }

/* ── Map pin picker ── */
/* The hidden attribute must win over any display rule below (e.g. the
   pin map box stays fully closed until "Pick on map" is clicked). */
[hidden] { display: none !important; }
.pin-picker { display: grid; gap: 8px; }
.pin-picker-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pin-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.pin-toggle:hover { color: var(--ink); border-color: var(--accent); }
.pin-toggle.active { color: var(--accent); border-style: solid; border-color: var(--accent); }
.pin-status { font-size: 0.78rem; color: var(--faint); font-family: ui-monospace, Consolas, monospace; }
.pin-status.set { color: #4ade80; }
.pin-clear {
  background: transparent;
  border: 0;
  color: var(--faint);
  font-size: 0.75rem;
  font-family: var(--font-body);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.pin-clear:hover { color: #f87171; }
.pin-map-wrap { display: grid; gap: 6px; }
.pin-map {
  height: 230px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0a101c;
}
.pin-map .ol-zoom { top: 8px; left: 8px; }
.pin-map .ol-zoom .ol-zoom-in,
.pin-map .ol-zoom .ol-zoom-out {
  background: rgba(6, 11, 20, 0.75);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  width: 26px; height: 26px;
  font-size: 0.9rem;
}
.pin-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--faint);
  text-align: center;
}
.map-pin {
  width: 30px;
  height: 30px;
  filter: drop-shadow(0 3px 4px rgba(0, 0, 0, 0.6));
  pointer-events: none;
}
#cfSubmit { margin-top: 4px; }
#cfSubmit:disabled { opacity: 0.6; cursor: wait; }
.form-status {
  margin: 0;
  font-size: 0.82rem;
  min-height: 1.1em;
}
.form-status.ok { color: #4ade80; }
.form-status.err { color: #f87171; }
.micro-note {
  margin: 16px 0 0;
  font-size: 0.75rem;
  color: var(--faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ───────────────────────── FOOTER ───────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand p { color: var(--muted); font-size: 0.9rem; margin-top: 16px; max-width: 320px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--muted); font-size: 0.92rem; }
.footer-links a:hover { color: var(--accent); }
.footer-tech { color: var(--faint); font-size: 0.85rem; }
.footer-tech p { margin: 0 0 6px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  color: var(--faint);
  font-size: 0.82rem;
}

/* ───────────────────────── REVEAL / MOTION ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.68, 0.21, 1);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

@keyframes kenburns {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, 1.5%); }
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg { animation: none; }
  .scroll-hint { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .carousel-track { transition: none; }
  .carousel-slide img { transform: none; transition: none; }
}

/* ───────────────────────── RESPONSIVE ───────────────────────── */

@media (max-width: 1020px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .section { padding: 76px 0; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px 20px 24px;
    background: rgba(7, 13, 23, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 16px; font-size: 1rem; }

  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .carousel-viewport { aspect-ratio: 4 / 3.2; }
  .carousel-btn { width: 42px; height: 42px; }
  .carousel-prev { left: 10px; }
  .carousel-next { right: 10px; }

  .viewer-toolbar { flex-direction: column; align-items: stretch; }
  .viewer-actions { justify-content: space-between; }
  .layer-btn { flex: 1; }
  /* compact controls hug their content instead of stretching full-width */
  .seg-group,
  .map-select-tool { align-self: flex-start; }
  .map-coords { display: none; }
}

/* Potree global styles guard: keep its rules scoped to the viewer */
#potree_container * { font-family: var(--font-body); }