/* =====================================================================
   NOX — dark, premium LiDAR-drone hero + statement
   Art direction inverted from a light reference into a deep dark theme.
   Tokens first; sections follow in source order.
   ===================================================================== */

:root {
  /* --- palette (deep, cool, near-black) --- */
  --bg:        #070809;
  --bg-2:      #0c0e11;
  --ink:       #eef1f3;            /* primary text            */
  --ink-72:    rgba(238,241,243,.72);
  --ink-52:    rgba(238,241,243,.52);
  --ink-34:    rgba(238,241,243,.34);
  --ink-18:    rgba(238,241,243,.18);
  --line:      rgba(238,241,243,.12);
  --line-soft: rgba(238,241,243,.07);

  --accent:      #b6ff3a;          /* neon lime accent, used sparingly       */
  --accent-deep: #4c7a12;
  --ember:       #ff4d4d;          /* echoes the drone's nav lights          */

  /* --- type --- */
  --sans:    "Satoshi", "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --display: "Clash Display", "Satoshi", "Helvetica Neue", sans-serif;
  /* "mono" role kept for small technical labels, but rendered in the normal sans */
  --mono:    "Satoshi", "Helvetica Neue", Arial, sans-serif;

  /* --- rhythm --- */
  --pad: clamp(16px, 3.2vw, 44px);
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --head-h: 72px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { margin: 0; }

body {
  /* dark stage behind the drone (shows through the transparent hero + walk) */
  background: radial-gradient(130% 92% at 50% 0%, #0b0f13 0%, #070809 55%, #050609 100%) fixed;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #0f1a04; }

.brk { color: var(--accent); font-weight: 400; }

/* big display headlines use Clash Display; keeps their per-section weights/sizes */
.hero__brand span, .walk__headline, .feat__title, .reveal__headline,
.statement__line, .gear__title, .scan__title, .sol__title, .field__title,
.specs__title, .pipe__title, .airframe__title, .deploy__title,
.showcase__title, .split__title {
  font-family: var(--display);
  letter-spacing: -0.03em;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-52);
  margin: 0 0 clamp(20px, 2.4vw, 34px);
}

/* =====================================================================
   PRELOADER
   ===================================================================== */
.preloader {
  position: fixed; inset: 0; z-index: 200;
  background: #070809;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .8s var(--ease), visibility .8s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__inner { width: min(78vw, 360px); text-align: center; }
.preloader__brand {
  font-size: 20px; letter-spacing: .5em; font-weight: 500;
  padding-left: .5em; margin-bottom: 22px; color: var(--ink);
}
.preloader__bar {
  height: 1px; width: 100%; background: var(--ink-18); overflow: hidden;
}
.preloader__bar span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  transition: width .3s var(--ease-out);
}
.preloader__pct {
  margin-top: 16px; font-family: var(--mono); font-size: 12px;
  color: var(--ink-52); letter-spacing: .1em;
}
.preloader__pct em { font-style: normal; color: var(--ink-34); }

/* =====================================================================
   HEADER
   ===================================================================== */
.masthead {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  height: var(--head-h);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(7,8,9,.86), rgba(7,8,9,0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.masthead__logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 15px; letter-spacing: .34em; padding-left: .34em;
  justify-self: start;
}
.masthead__logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 10px 1px rgba(255,77,77,.7);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.masthead__tag {
  justify-self: center; margin: 0;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  color: var(--ink-52); white-space: nowrap;
}
/* primary nav (desktop) */
.masthead__nav { justify-self: center; display: flex; gap: clamp(16px, 2.1vw, 34px); }
.masthead__nav a {
  position: relative; font-family: var(--sans); font-weight: 500; font-size: 14px;
  color: var(--ink-72); transition: color .3s var(--ease);
}
.masthead__nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1.5px;
  background: var(--accent); transition: right .35s var(--ease);
}
.masthead__nav a:hover { color: var(--ink); }
.masthead__nav a:hover::after { right: 0; }

.masthead__cta {
  font-family: var(--sans); font-weight: 600; font-size: 13px;
  padding: 9px 17px; border-radius: 4px; background: var(--accent); color: #0f1a04;
  transition: transform .3s var(--ease-out), filter .3s var(--ease);
}
.masthead__cta:hover { transform: translateY(-1px); filter: brightness(1.08); }

/* hamburger (mobile only) */
.masthead__menu { display: none; background: none; border: none; cursor: pointer; padding: 8px; margin-right: -8px; color: var(--ink); }
.masthead__bars { display: block; width: 22px; }
.masthead__bars i { display: block; height: 1.5px; background: currentColor; margin: 5px 0; }

/* header flips to a light treatment while it sits over a white section */
.masthead, .masthead__logo, .masthead__tag, .masthead__menu {
  transition: background .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.masthead--light {
  background: linear-gradient(180deg, rgba(243,245,246,.92), rgba(243,245,246,0));
  border-bottom-color: rgba(10,12,14,.08);
}
.masthead--light .masthead__logo { color: #0a0c0e; }
.masthead--light .masthead__clock { color: rgba(10,12,14,.55); }
.masthead--light .masthead__nav a { color: rgba(10,12,14,.6); }
.masthead--light .masthead__nav a:hover { color: #0a0c0e; }
.masthead--light .masthead__menu { color: #0a0c0e; }

/* ================= MOBILE NAV OVERLAY ================= */
.navmenu {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(6,8,10,.98); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: flex; flex-direction: column; justify-content: center; padding: var(--pad);
  opacity: 0; visibility: hidden; transform: translateY(-14px);
  transition: opacity .4s var(--ease), transform .5s var(--ease-out), visibility .4s;
}
.navmenu.is-open { opacity: 1; visibility: visible; transform: none; }
.navmenu__close {
  position: absolute; top: 20px; right: var(--pad); background: none; border: none; cursor: pointer;
  font-family: var(--mono); font-size: 13px; letter-spacing: .08em; color: var(--ink-72);
}
.navmenu__links { display: flex; flex-direction: column; gap: 4px; }
.navmenu__links a {
  font-family: var(--display); font-weight: 400; font-size: clamp(32px, 8vw, 58px);
  letter-spacing: -0.02em; color: var(--ink); padding: 6px 0;
  transition: color .3s var(--ease), padding-left .35s var(--ease-out);
}
.navmenu__links a:hover { color: var(--accent); padding-left: 12px; }
.navmenu__cta { color: var(--accent) !important; margin-top: 16px; font-size: clamp(20px, 5vw, 30px) !important; }
.navmenu__foot {
  position: absolute; bottom: 24px; left: var(--pad); right: var(--pad);
  display: flex; justify-content: space-between; gap: 16px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em; color: var(--ink-34);
}
@media (max-width: 991px) {
  .masthead__nav, .masthead__cta, .masthead__clock { display: none; }
  .masthead__menu { display: block; }
}

/* =====================================================================
   01 · HERO
   ===================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  padding: 0 var(--pad);
  overflow: hidden;
  background: transparent;            /* light body shows through */
}

/* cinematic dark stage — cyan bloom behind the drone + soft floor shadow */
.hero__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(56% 44% at 50% 42%, rgba(182,255,58,.13), transparent 64%),   /* cyan bloom */
    radial-gradient(60% 44% at 50% 4%, rgba(150,180,195,.06), transparent 60%),    /* faint top light */
    radial-gradient(26% 8% at 50% 78%, rgba(0,0,0,.5), transparent 72%);           /* floor shadow */
}
/* faint technical grid */
.hero__grid-lines {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 25%, 25% 100%;
  mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 78%);
  opacity: .5;
}

/* 3D stage is pinned BEHIND the solid content sections (z-index 1 < sections' 2) so
   the drone shows through the transparent hero + walk panels, but the moment a solid
   section (Statement onward) scrolls up it slides OVER the drone and hides it cleanly.
   Click-through; the drone is driven from window pointer events. */
.hero__stage {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none; will-change: opacity;
}
.hero__stage canvas { display: block; width: 100%; height: 100%; }

/* giant brand wordmark sits behind the drone */
.hero__brand {
  position: fixed; inset: 0; z-index: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none; opacity: 0;
  will-change: opacity, transform;
}
.hero__brandmark {
  width: min(96vw, 1600px); height: auto; display: block;
  color: rgba(238,241,243,.055);          /* faint ghost on the dark stage */
  user-select: none;
}

/* hero bottom row — headline left, scroll-down right (reference layout) */
.hero__base {
  position: relative; z-index: 5; margin-top: auto;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  padding-bottom: clamp(24px, 4vh, 48px); pointer-events: none;
}
.hero__lead { max-width: 44ch; pointer-events: auto; }
.hero__headline {
  margin: 0; font-family: var(--display); font-weight: 400;
  font-size: clamp(24px, 3vw, 44px); line-height: 1.14; letter-spacing: -0.02em;
}
.hero__headline .bright { color: var(--ink); display: block; }
.hero__headline .muted  {
  color: var(--ink-52); display: block; font-family: var(--sans);
  font-size: 0.42em; font-weight: 400; line-height: 1.45; letter-spacing: 0;
  margin-top: 0.7em; max-width: 40ch;
}

/* logo (masthead + footer) */
.logo-svg { height: 18px; width: auto; display: block; color: inherit; }
.logo-svg--foot { height: 24px; }
.masthead__right { justify-self: end; display: inline-flex; align-items: center; gap: clamp(12px, 1.6vw, 22px); }
.masthead__clock { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--ink-52); white-space: nowrap; }
@media (max-width: 767px) { .masthead__clock { display: none; } }

/* radar / target reticle behind the drone — signals a LiDAR inspection HUD */
.hero__reticle {
  position: absolute; top: 46%; left: 50%; transform: translate(-50%, -50%);
  width: min(66vw, 80vh); height: min(66vw, 80vh); z-index: 0; pointer-events: none;
  color: rgba(182,255,58,.16); opacity: .8;
  -webkit-mask: radial-gradient(circle, #000 34%, transparent 72%);
  mask: radial-gradient(circle, #000 34%, transparent 72%);
}

/* thin scan line sweeping down the hero */
.hero__scan {
  position: absolute; left: 0; right: 0; top: 0; height: 1px; z-index: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(182,255,58,.35) 20%, rgba(182,255,58,.35) 80%, transparent);
  filter: blur(.4px); opacity: .0;
  animation: heroScan 7s cubic-bezier(.5,0,.5,1) infinite;
}
@keyframes heroScan { 0%{top:12%;opacity:0} 10%{opacity:.7} 88%{top:86%;opacity:0} 100%{opacity:0} }

/* corner HUD brackets */
.hero__corners { position: absolute; inset: calc(var(--head-h) + 10px) var(--pad) 20px; z-index: 5; pointer-events: none; }
.hero__corners i { position: absolute; width: 26px; height: 26px; opacity: .5; }
.hero__corners i:nth-child(1) { top: 0; left: 0; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.hero__corners i:nth-child(2) { top: 0; right: 0; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.hero__corners i:nth-child(3) { bottom: 0; left: 0; border-bottom: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.hero__corners i:nth-child(4) { bottom: 0; right: 0; border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

/* flanking telemetry read-outs */
.hero__readout {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; pointer-events: none;
  display: grid; grid-template-columns: auto; gap: 3px 0;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; line-height: 1.5;
}
.hero__readout--l { left: var(--pad); text-align: left; }
.hero__readout--r { right: var(--pad); text-align: right; }
.hero__readout span { color: var(--ink-34); text-transform: uppercase; }
.hero__readout b { color: var(--ink-72); font-weight: 400; margin-bottom: 8px; }

/* fine film grain — kills the flat digital gradient look */
.hero__noise {
  position: absolute; inset: 0; z-index: 6; pointer-events: none; opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
}

/* hero holds only minimal chrome at the bottom now (copy lives in §01 Reveal) */
.hero__hint {
  position: relative; z-index: 5; margin-top: auto;
  display: flex; align-items: flex-end; justify-content: space-between;
  padding-bottom: clamp(20px, 3.2vh, 34px);
  pointer-events: none;
}

/* shared word-level blur reveal (hero copy in §01) */
[data-reveal] .bright { color: var(--ink); }
[data-reveal] .muted  { color: var(--ink-52); }
[data-reveal] .word {
  display: inline-block;
  filter: blur(14px);
  opacity: 0;
  transform: translateY(6px);
  transition: filter .9s var(--ease-out), opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
[data-reveal].is-in .word { filter: blur(0); opacity: 1; transform: none; }

.hero__cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: clamp(28px, 3vw, 44px);
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 500; font-size: 15px; letter-spacing: 0;
  padding: 14px 24px; border-radius: 4px;
  border: 1px solid transparent;
  transition: transform .4s var(--ease-out), background .4s var(--ease), border-color .4s, color .4s;
  will-change: transform;
}
.btn svg { transition: transform .4s var(--ease-out); }
.btn--primary { background: var(--ink); color: #06110f; }
.btn--primary:hover { transform: translateY(-2px); background: var(--accent); }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost { color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink-34); background: rgba(238,241,243,.05); transform: translateY(-2px); }

/* hero bottom chrome */
.scrolldown {
  pointer-events: auto;
  display: inline-flex; align-items: center; gap: 13px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-52);
  transition: color .3s var(--ease);
}
.scrolldown:hover { color: var(--ink); }
.scrolldown__line {
  position: relative; width: 46px; height: 1px; background: var(--ink-18); overflow: hidden;
}
.scrolldown__line span {
  position: absolute; inset: 0; width: 40%;
  background: var(--accent);
  animation: sweep 2.4s var(--ease) infinite;
}
@keyframes sweep { 0%{transform:translateX(-110%)} 100%{transform:translateX(260%)} }
.hero__coords {
  margin: 0; font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  color: var(--ink-34);
}

/* =====================================================================
   01 · REVEAL — hero copy on the left, drone parked on the right
   ===================================================================== */
.reveal {
  position: relative; z-index: 2;
  min-height: 100vh;                    /* a full screen so the drone has room on the right */
  display: flex; align-items: center;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: clamp(80px, 14vh, 170px) var(--pad);
}
.reveal__wrap {
  width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  max-width: 1500px; margin: 0 auto;
}
.reveal__main {
  min-width: 0;
  padding-right: clamp(24px, 4vw, 90px);
}
.reveal__void { min-width: 0; }         /* right half — the drone parks here */
.reveal__headline {
  margin: 0; font-weight: 300;
  font-size: clamp(30px, 3.6vw, 56px);
  line-height: 1.14; letter-spacing: -0.02em;
}

/* =====================================================================
   WALKTHROUGH — the drone is driven by SCROLL through feature callouts
   (pinned 3D stage floats over these panels; rotation is scroll-keyframed)
   ===================================================================== */
.walk { position: relative; z-index: 2; }
.walk__panel {
  position: relative; z-index: 2;
  min-height: 100svh; display: flex; align-items: center;
  padding: 0 var(--pad); pointer-events: none;
}
.walk__panel--left  { justify-content: flex-start; }
.walk__panel--right { justify-content: flex-end; }
.feat {
  max-width: 32ch; pointer-events: auto;
  opacity: 0; transform: translateY(24px); filter: blur(6px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out), filter .9s var(--ease-out);
}
.walk__panel.is-in .feat { opacity: 1; transform: none; filter: blur(0); }
.walk__panel--right .feat { text-align: right; }
.feat__idx {
  margin: 0 0 18px; font-family: var(--mono); font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.feat__title {
  margin: 0 0 16px; font-weight: 300; letter-spacing: -0.02em; line-height: 1.06;
  font-size: clamp(26px, 3.4vw, 50px);
}
.feat__desc { margin: 0; font-size: clamp(14px, 1.15vw, 17px); line-height: 1.62; color: var(--ink-72); }
.feat__leader {
  margin-top: 24px; width: 72px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.walk__panel--right .feat__leader { margin-left: auto; background: linear-gradient(270deg, var(--accent), transparent); }
/* the final panel carries the hero copy + CTA (drone parks beside it) */
.walk__panel--final .feat { max-width: 40ch; }
.walk__headline {
  margin: 0; font-weight: 300; letter-spacing: -0.02em; line-height: 1.12;
  font-size: clamp(30px, 3.6vw, 56px);
}
.walk__headline .bright { color: var(--ink); }
.walk__headline .muted  { color: var(--ink-52); }

/* =====================================================================
   LIGHT THEME — invert the tokens for white sections (ref is light)
   ===================================================================== */
.sec--light {
  --bg:        #f3f5f6;
  --bg-2:      #ffffff;
  --ink:       #0a0c0e;
  --ink-72:    rgba(10,12,14,.72);
  --ink-52:    rgba(10,12,14,.56);
  --ink-34:    rgba(10,12,14,.40);
  --ink-18:    rgba(10,12,14,.16);
  --line:      rgba(10,12,14,.14);
  --line-soft: rgba(10,12,14,.08);
  --accent:    #5a8a0f;   /* deepened cyan for AA contrast on white */
  background: var(--bg); color: var(--ink);
}
.sec--light .brk { color: var(--accent); }
.sec--light ::selection { background: var(--accent); color: #fff; }

/* light TOKENS without a background — used on hero + walk so the light body
   shows through (the drone needs a transparent stage to render over) */
.zone--light {
  --bg:        #f3f5f6;
  --bg-2:      #ffffff;
  --ink:       #0a0c0e;
  --ink-72:    rgba(10,12,14,.72);
  --ink-52:    rgba(10,12,14,.5);
  --ink-34:    rgba(10,12,14,.38);
  --ink-18:    rgba(10,12,14,.14);
  --line:      rgba(10,12,14,.14);
  --line-soft: rgba(10,12,14,.07);
  --accent:    #5a8a0f;
  color: var(--ink);
}
.zone--light .brk { color: var(--accent); }

/* =====================================================================
   PIPELINE — white "how it works" section
   ===================================================================== */
.pipe {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.pipe__inner { max-width: 1500px; margin-inline: auto; }
.pipe__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(44px, 7vh, 96px);
}
.pipe__title { margin: 0; max-width: 20ch; font-weight: 300; font-size: clamp(30px, 3.6vw, 54px); line-height: 1.08; letter-spacing: -0.02em; }
.pipe__num { flex: none; font-family: var(--mono); font-size: 14px; color: var(--ink-52); }
.pipe__steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.pipe__step {
  background: var(--bg-2); padding: clamp(24px, 2.6vw, 40px);
  display: flex; flex-direction: column; gap: 16px; min-height: clamp(200px, 26vh, 280px);
  position: relative; transition: background .4s var(--ease);
}
.pipe__step:hover { background: #fff; }
.pipe__k { font-family: var(--mono); font-size: 13px; letter-spacing: .1em; color: var(--accent); }
.pipe__st { margin: auto 0 0; font-weight: 400; font-size: clamp(20px, 2vw, 28px); letter-spacing: -0.02em; }
.pipe__step p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-72); }

/* =====================================================================
   02 · STATEMENT
   ===================================================================== */
.statement {
  position: relative;
  z-index: 2;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 0 var(--pad);
}
.statement__wrap {
  display: grid; grid-template-columns: 7fr 5fr;
  max-width: 1500px; margin: 0 auto;
}
.statement__main {
  min-width: 0;                         /* allow the heading to wrap inside the grid track */
  border-right: 1px solid var(--line);
  padding: clamp(90px, 20vh, 280px) clamp(30px, 5vw, 110px) clamp(90px, 20vh, 280px) 0;
}
.statement__line {
  margin: 0;
  font-weight: 300;
  font-size: clamp(30px, 4vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  overflow-wrap: break-word;
}
/* per-character color scrub (set by JS) */
.statement__line .ch { color: var(--ink-18); transition: color .18s linear; }

.statement__facts {
  min-width: 0;
  padding: clamp(90px, 20vh, 280px) 0 clamp(90px, 20vh, 280px) clamp(30px, 4vw, 80px);
  display: flex; flex-direction: column; justify-content: center; gap: 40px;
}
.statement__meta {
  margin: 0; max-width: 40ch;
  font-size: clamp(15px, 1.15vw, 18px); line-height: 1.62; color: var(--ink-72);
}
.statement__stats {
  list-style: none; margin: 0; padding: 24px 0 0; border-top: 1px solid var(--line);
  display: grid; gap: 20px;
}
.statement__stats li { display: flex; align-items: baseline; gap: 16px; }
.statement__stats b {
  font-family: var(--mono); font-weight: 400; font-size: clamp(22px, 2vw, 30px);
  color: var(--ink); min-width: 3.4em; letter-spacing: -0.01em;
}
.statement__stats span {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-52);
}

/* =====================================================================
   03 · PAYLOAD / GEAR
   ===================================================================== */
.gear {
  position: relative;
  z-index: 2;                 /* above the fixed drone stage */
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.gear__inner, .gear__head, .gear__body { max-width: 1500px; margin-inline: auto; }
.gear__head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
}
.gear__title {
  margin: 0; min-width: 0;
  font-weight: 300;
  font-size: clamp(64px, 12.5vw, 200px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--ink);
}
.gear__title span { display: inline-block; }
.gear__num {
  flex: none;
  font-family: var(--mono); font-size: 14px; color: var(--ink-52);
  padding-top: 10px;
}
.gear__body {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: clamp(24px, 6vw, 120px);
  margin-top: clamp(48px, 10vh, 150px);
  align-items: start;
}
.gear__cat {
  min-width: 0;
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-52);
  padding-top: 14px;
}
.gear__lead {
  min-width: 0; margin: 0; max-width: 34ch;
  font-weight: 300;
  font-size: clamp(22px, 2.7vw, 34px);
  line-height: 1.28; letter-spacing: -0.02em;
  overflow-wrap: break-word;
}
/* shared per-character reveal target — starts dim, JS lights it on scroll */
.ch { color: var(--ink-18); transition: color .18s linear; }

/* =====================================================================
   04 · SCAN — 360° full-hemisphere (procedural point-cloud canvas)
   ===================================================================== */
.scan {
  position: relative; z-index: 2; overflow: hidden;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: clamp(90px, 16vh, 220px) var(--pad);
}
.scan__ghost {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  display: flex; align-items: center; justify-content: center;
}
.scan__ghost span {
  font-weight: 500; line-height: 1; letter-spacing: -0.05em;
  font-size: min(34vw, 52vh);
  color: rgba(238,241,243,.035);
  -webkit-text-stroke: 1px rgba(238,241,243,.05);
  user-select: none;
}
.scan__inner {
  position: relative; z-index: 2;
  max-width: 1500px; margin-inline: auto;
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 5vw, 96px); align-items: center;
}
.scan__stage {
  position: relative; min-width: 0;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line); border-radius: 2px;
  background:
    radial-gradient(60% 60% at 50% 52%, rgba(182,255,58,.10), rgba(7,8,9,0) 70%),
    var(--bg-2);
  overflow: hidden;
}
.scan__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.scan__ring {
  position: absolute; left: 12px; bottom: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em;
  color: var(--ink-34);
}
.scan__copy { min-width: 0; }
.scan__title {
  margin: .1em 0 .55em; font-weight: 300;
  font-size: clamp(34px, 4.6vw, 72px);
  line-height: 1.02; letter-spacing: -0.03em;
}
.scan__body {
  margin: 0 0 clamp(30px, 3.4vw, 46px); max-width: 42ch;
  font-size: clamp(15px, 1.15vw, 18px); line-height: 1.62; color: var(--ink-72);
}
/* CSS-only sub-tabs */
.scan__tabs { border-top: 1px solid var(--line); }
.scan__tabs input { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }
.scan__labels { display: flex; }
.scan__tab {
  flex: 1; text-align: left; padding: 16px 0; margin-right: 26px;
  border-top: 1px solid transparent; margin-top: -1px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-34); cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.scan__tab:last-child { margin-right: 0; }
.scan__panels { padding-top: 8px; position: relative; min-height: 4.4em; }
.scan__spec {
  margin: 0; max-width: 38ch;
  font-size: clamp(14px, 1.05vw, 16px); line-height: 1.6; color: var(--ink-72);
  opacity: 0; visibility: hidden; position: absolute; top: 8px; left: 0;
  transform: translateY(6px); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
#scan-a:checked ~ .scan__labels label[for="scan-a"],
#scan-b:checked ~ .scan__labels label[for="scan-b"],
#scan-c:checked ~ .scan__labels label[for="scan-c"] { color: var(--ink); border-top-color: var(--accent); }
#scan-a:checked ~ .scan__panels .scan__spec[data-k="a"],
#scan-b:checked ~ .scan__panels .scan__spec[data-k="b"],
#scan-c:checked ~ .scan__panels .scan__spec[data-k="c"] { opacity: 1; visibility: visible; transform: none; }

/* =====================================================================
   05 · SOLUTIONS — tabbed verticals (CSS-only, crossfading viewport)
   ===================================================================== */
.sol {
  position: relative; z-index: 2;
  background: var(--bg); border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.sol__inner { max-width: 1500px; margin-inline: auto; }
.sol__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(34px, 6vh, 70px);
}
.sol__title { margin: 0; font-weight: 300; font-size: clamp(34px, 4.6vw, 72px); letter-spacing: -0.03em; }
.sol__num { flex: none; font-family: var(--mono); font-size: 14px; color: var(--ink-52); }
.sol__grid {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: clamp(24px, 5vw, 90px); align-items: stretch;
}
.sol input { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }
.sol__tabs { display: flex; flex-direction: column; border-top: 1px solid var(--line); min-width: 0; }
.sol__tab {
  display: flex; align-items: baseline; gap: 18px;
  padding: clamp(18px, 2.3vw, 30px) 0; border-bottom: 1px solid var(--line);
  cursor: pointer; color: var(--ink-34);
  font-weight: 300; font-size: clamp(22px, 2.6vw, 34px); letter-spacing: -0.02em;
  transition: color .35s var(--ease), padding-left .45s var(--ease-out);
}
.sol__tab .i { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-34); transition: color .35s; }
.sol__view {
  position: relative; min-height: clamp(330px, 46vh, 540px);
  border: 1px solid var(--line); border-radius: 2px; overflow: hidden; background: var(--bg-2);
}
.sol__panel {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .55s var(--ease);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(22px, 2.6vw, 40px);
}
.sol__panel::before {   /* per-vertical procedural scan texture */
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .9;
  background-image:
    radial-gradient(70% 90% at 78% 12%, rgba(182,255,58,.14), rgba(7,8,9,0) 60%),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 100%, 34px 34px, 34px 34px;
  mask-image: radial-gradient(120% 100% at 70% 20%, #000 30%, transparent 92%);
  -webkit-mask-image: radial-gradient(120% 100% at 70% 20%, #000 30%, transparent 92%);
}
.sol__panel::after {    /* sweeping scan line */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; z-index: 1;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .5; animation: solsweep 5.5s var(--ease) infinite;
}
@keyframes solsweep { 0%{transform:translateY(6%)} 50%{transform:translateY(94%)} 100%{transform:translateY(6%)} }
.sol__panel .i {
  position: relative; z-index: 2; font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: auto;
}
.sol__desc {
  position: relative; z-index: 2; margin: 0 0 22px; max-width: 40ch;
  font-size: clamp(15px, 1.15vw, 18px); line-height: 1.6; color: var(--ink-72);
}
.sol__tags { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 8px; }
.sol__tags span {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-72); border: 1px solid var(--line); border-radius: 2px; padding: 7px 11px;
}
#sol-1:checked ~ .sol__grid .sol__tabs label[for="sol-1"],
#sol-2:checked ~ .sol__grid .sol__tabs label[for="sol-2"],
#sol-3:checked ~ .sol__grid .sol__tabs label[for="sol-3"],
#sol-4:checked ~ .sol__grid .sol__tabs label[for="sol-4"] { color: var(--ink); padding-left: 14px; }
#sol-1:checked ~ .sol__grid .sol__tabs label[for="sol-1"] .i,
#sol-2:checked ~ .sol__grid .sol__tabs label[for="sol-2"] .i,
#sol-3:checked ~ .sol__grid .sol__tabs label[for="sol-3"] .i,
#sol-4:checked ~ .sol__grid .sol__tabs label[for="sol-4"] .i { color: var(--accent); }
#sol-1:checked ~ .sol__grid .sol__view .sol__panel[data-k="1"],
#sol-2:checked ~ .sol__grid .sol__view .sol__panel[data-k="2"],
#sol-3:checked ~ .sol__grid .sol__view .sol__panel[data-k="3"],
#sol-4:checked ~ .sol__grid .sol__view .sol__panel[data-k="4"] { opacity: 1; visibility: visible; }

/* =====================================================================
   06 · FAULT ZONE — detection (point-cloud structure + HUD overlay)
   ===================================================================== */
.fault {
  position: relative; z-index: 2; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center;
  background: #04060a; border-top: 1px solid var(--line);
}
.fault__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; }
.fault__vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 50%, rgba(4,6,10,0) 40%, rgba(4,6,10,.85) 100%);
}
.fault__hud {
  position: relative; z-index: 3; width: 100%;
  max-width: 1500px; margin-inline: auto; padding: 0 var(--pad);
}
.fault__corner {
  position: absolute; top: calc(var(--head-h) + 8px); left: var(--pad); right: var(--pad);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--ink-52);
}
.fault__index {
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 24px;
}
.fault__caption {
  margin: 0; max-width: 20ch; font-weight: 300;
  font-size: clamp(30px, 4vw, 62px); line-height: 1.1; letter-spacing: -0.03em;
}
.fault__meta {
  margin: clamp(26px, 3vw, 40px) 0 0; display: flex; align-items: center; gap: 18px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-52);
}
.fault__risk {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid rgba(255,77,77,.4); border-radius: 2px; padding: 8px 13px; color: var(--ink);
}
.fault__risk .d {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ember);
  box-shadow: 0 0 10px 1px rgba(255,77,77,.7); animation: pulse 2.2s ease-in-out infinite;
}
.fault__risk b { font-weight: 400; color: var(--ember); }

/* =====================================================================
   07 · AIRFRAME — flight-performance spec highlights
   ===================================================================== */
.airframe {
  position: relative; z-index: 2;
  background: var(--bg-2); border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.airframe__inner { max-width: 1500px; margin-inline: auto; }
.airframe__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(40px, 7vh, 90px);
}
.airframe__title {
  margin: 0; max-width: 20ch; font-weight: 300;
  font-size: clamp(30px, 3.6vw, 54px); line-height: 1.08; letter-spacing: -0.02em;
}
.airframe__num { flex: none; font-family: var(--mono); font-size: 14px; color: var(--ink-52); }
.airframe__specs {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.airframe__cell {
  background: var(--bg); padding: clamp(24px, 2.6vw, 42px);
  display: flex; flex-direction: column; gap: 14px; min-height: clamp(190px, 24vh, 260px);
}
.airframe__val {
  font-weight: 300; font-size: clamp(38px, 4.6vw, 72px); line-height: 1; letter-spacing: -0.03em;
}
.airframe__val em { font-style: normal; font-size: .38em; color: var(--ink-52); margin-left: .18em; }
.airframe__cell p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--ink-72); }
.airframe__k {
  margin-top: auto; font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent);
}

/* =====================================================================
   08 · FIELD — asymmetric gallery (procedural placeholders, image-ready)
   ===================================================================== */
.field {
  position: relative; z-index: 2;
  background: var(--bg); border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.field__inner { max-width: 1500px; margin-inline: auto; }
.field__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(34px, 6vh, 60px);
}
.field__title { margin: 0; font-weight: 300; font-size: clamp(34px, 4.6vw, 72px); letter-spacing: -0.03em; }
.field__lead { margin: 12px 0 0; max-width: 34ch; font-size: clamp(14px,1.05vw,16px); line-height: 1.6; color: var(--ink-52); }
.field__num { flex: none; font-family: var(--mono); font-size: 14px; color: var(--ink-52); }
.field__grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(150px, 19vh, 224px); gap: 12px;
}
.field__tile {
  position: relative; overflow: hidden; min-width: 0;
  border: 1px solid var(--line); border-radius: 2px; background: var(--bg-2);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(14px, 1.4vw, 20px);
  /* real imagery drops straight in here later: background-image: url(assets/field/xx.jpg) */
  background-size: cover; background-position: center;
  transition: transform .5s var(--ease-out), border-color .4s var(--ease);
}
.field__tile::before {                 /* procedural LiDAR scatter + grid (the placeholder look) */
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    radial-gradient(60% 70% at 30% 18%, rgba(182,255,58,.16), rgba(7,8,9,0) 62%),
    radial-gradient(rgba(238,241,243,.5) .6px, transparent .7px),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 100%, 9px 9px, 30px 30px, 30px 30px;
  opacity: .5;
  mask-image: radial-gradient(130% 120% at 30% 15%, #000 20%, transparent 92%);
  -webkit-mask-image: radial-gradient(130% 120% at 30% 15%, #000 20%, transparent 92%);
  transition: transform .6s var(--ease-out), opacity .5s;
}
.field__tile::after {                  /* slow scan sweep */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; z-index: 1;
  background: linear-gradient(90deg, transparent, rgba(182,255,58,.55), transparent);
  opacity: .0; animation: fieldsweep 6s var(--ease) infinite;
}
@keyframes fieldsweep { 0%,100%{transform:translateY(8%);opacity:0} 45%{opacity:.6} 90%{transform:translateY(92%);opacity:0} }
.field__tile:hover { border-color: var(--ink-34); transform: translateY(-3px); }
.field__tile:hover::before { transform: scale(1.05); opacity: .68; }
.field__ph {                           /* [ IMG ] watermark — remove when real photo lands */
  position: absolute; inset: 0; z-index: 1; display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--ink-18);
}
.field__i {
  position: absolute; top: clamp(12px,1.2vw,16px); left: clamp(12px,1.2vw,16px); z-index: 2;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--ink-34);
}
.field__chip {
  position: absolute; top: clamp(10px,1vw,14px); right: clamp(10px,1vw,14px); z-index: 2;
  font-family: var(--mono); font-size: 9px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(182,255,58,.3); border-radius: 2px; padding: 4px 7px;
  background: rgba(4,6,10,.4);
}
.field__cap {
  position: relative; z-index: 2;
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--ink-72);
}
.field__tile:nth-child(1) { grid-column: span 3; grid-row: span 2; }
.field__tile:nth-child(2) { grid-column: span 3; }
.field__tile:nth-child(3) { grid-column: span 2; }
.field__tile:nth-child(4) { grid-column: span 1; }
.field__tile:nth-child(5) { grid-column: span 2; }
.field__tile:nth-child(6) { grid-column: span 4; }
/* vary a couple tiles toward the ember/alert read */
.field__tile:nth-child(3)::before { background-image:
    radial-gradient(60% 70% at 70% 20%, rgba(255,77,77,.14), rgba(7,8,9,0) 60%),
    radial-gradient(rgba(238,241,243,.5) .6px, transparent .7px),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 100%, 9px 9px, 30px 30px, 30px 30px; }
.field__tile:nth-child(2)::after,
.field__tile:nth-child(5)::after { animation-delay: -3s; }

/* =====================================================================
   08 · SPECIFICATIONS — full spec sheet
   ===================================================================== */
.specs {
  position: relative; z-index: 2;
  background: var(--bg); border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.specs__inner { max-width: 1500px; margin-inline: auto; }
.specs__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(24px, 4vh, 44px);
}
.specs__title { margin: 0; font-weight: 300; font-size: clamp(34px, 4.6vw, 72px); letter-spacing: -0.03em; }
.specs__num { flex: none; font-family: var(--mono); font-size: 14px; color: var(--ink-52); }
.specs__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(40px, 8vw, 120px); }
.specs__group { border-top: 1px solid var(--line); padding: clamp(22px, 3vw, 40px) 0; }
.specs__group h3 {
  margin: 0 0 14px; font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
}
.specs__row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  padding: 12px 0; border-bottom: 1px solid var(--line-soft);
}
.specs__row:last-child { border-bottom: none; }
.specs__row dt { margin: 0; font-size: 15px; color: var(--ink-52); }
.specs__row dd { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--ink); text-align: right; }

/* =====================================================================
   09 · DEPLOY — closing call to action
   ===================================================================== */
.deploy {
  position: relative; z-index: 2; overflow: hidden; text-align: center;
  background: var(--bg-2); border-top: 1px solid var(--line);
  padding: clamp(100px, 20vh, 260px) var(--pad);
}
.deploy__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(46% 60% at 50% 46%, rgba(182,255,58,.14), rgba(7,8,9,0) 66%),
    radial-gradient(40% 46% at 50% 70%, rgba(255,77,77,.07), rgba(7,8,9,0) 60%);
}
.deploy__inner { position: relative; z-index: 2; max-width: 1100px; margin-inline: auto; }
.deploy__eyebrow { margin-bottom: 22px; }
.deploy__title {
  margin: 0 auto; max-width: 16ch; font-weight: 300;
  font-size: clamp(40px, 7vw, 110px); line-height: .98; letter-spacing: -0.04em;
}
.deploy__sub {
  margin: clamp(22px, 2.6vw, 34px) auto 0; max-width: 46ch;
  font-size: clamp(15px, 1.2vw, 18px); line-height: 1.6; color: var(--ink-72);
}
.deploy__cta {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-top: clamp(34px, 4vw, 54px);
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.foot {
  position: relative; z-index: 2;
  background: var(--bg); border-top: 1px solid var(--line);
  padding: clamp(50px, 7vh, 90px) var(--pad) clamp(28px, 4vh, 48px);
}
.foot__inner { max-width: 1500px; margin-inline: auto; }
.foot__top {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: clamp(38px, 6vh, 66px); border-bottom: 1px solid var(--line);
}
.foot__logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 16px; letter-spacing: .34em; padding-left: .34em; margin-bottom: 18px;
}
.foot__logo .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ember);
  box-shadow: 0 0 10px 1px rgba(255,77,77,.7);
}
.foot__note { margin: 0; max-width: 32ch; font-size: 14px; line-height: 1.6; color: var(--ink-52); }
.foot__col h4 {
  margin: 0 0 16px; font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-34); font-weight: 400;
}
.foot__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.foot__col a { font-size: 14px; color: var(--ink-72); transition: color .3s var(--ease); }
.foot__col a:hover { color: var(--ink); }
.foot__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px 30px;
  flex-wrap: wrap; padding-top: 24px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em; color: var(--ink-34);
}
.foot__stack { display: flex; flex-wrap: wrap; gap: 8px; }
.foot__stack span { border: 1px solid var(--line); border-radius: 2px; padding: 5px 9px; color: var(--ink-52); }
.foot__legal { max-width: 62ch; line-height: 1.6; }

/* =====================================================================
   IMAGE SLOTS — drop-in ready (light + dark variants). Add a real image with
   style="background-image:url(assets/xx.jpg)" and remove the [ IMG ] label.
   ===================================================================== */
.imgslot {
  position: relative; overflow: hidden; border-radius: 4px;
  background-size: cover; background-position: center;
  background-color: var(--bg-2);
}
.imgslot::before {                     /* light product-plate placeholder texture */
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    radial-gradient(72% 90% at 50% 24%, rgba(13,138,148,.12), transparent 60%),
    radial-gradient(40% 60% at 78% 88%, rgba(10,12,14,.06), transparent 60%),
    linear-gradient(rgba(10,12,14,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,12,14,.05) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
  mask-image: radial-gradient(120% 110% at 50% 30%, #000 30%, transparent 92%);
  -webkit-mask-image: radial-gradient(120% 110% at 50% 30%, #000 30%, transparent 92%);
}
.imgslot::after {                      /* [ label ] watermark — delete when a photo lands */
  content: attr(data-label); position: absolute; inset: auto 0 16px; z-index: 1;
  text-align: center; font-family: var(--mono); font-size: 10px; letter-spacing: .28em;
  color: var(--ink-34);
}
/* once a real photo is set, drop the placeholder texture + label */
.imgslot--filled::before, .imgslot--filled::after { content: none; display: none; }

/* field gallery tiles with a real photo: swap the scatter texture for a legibility
   scrim, hide the [ IMG ] watermark, keep index/chip/caption + scan sweep on top */
.field__tile--filled::before {
  display: block; opacity: 1; mask: none; -webkit-mask: none;
  background: linear-gradient(0deg, rgba(4,6,10,.80), rgba(4,6,10,0) 48%);
  background-size: auto;
}
.field__tile--filled .field__ph { display: none; }
.field__tile--filled .field__cap { text-shadow: 0 1px 8px rgba(4,6,10,.9); }
.field__tile--filled .field__i { text-shadow: 0 1px 8px rgba(4,6,10,.9); color: var(--ink-52); }
/* dark-context slot (used inside dark sections) */
.imgslot--dark::before {
  background-image:
    radial-gradient(72% 90% at 50% 24%, rgba(182,255,58,.14), transparent 60%),
    radial-gradient(rgba(238,241,243,.5) .6px, transparent .7px),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 100%, 9px 9px, 30px 30px, 30px 30px; opacity: .55;
}

/* =====================================================================
   SHOWCASE — white, big centred product image (DJI-style hero moment)
   ===================================================================== */
.showcase {
  position: relative; z-index: 2; text-align: center;
  border-top: 1px solid var(--line);
  padding: clamp(90px, 15vh, 220px) var(--pad);
}
.showcase__inner { max-width: 1200px; margin-inline: auto; }
.showcase__eyebrow { justify-content: center; margin-bottom: 22px; }
.showcase__title {
  margin: 0 auto .34em; max-width: 15ch; font-weight: 400;
  font-size: clamp(38px, 6.4vw, 96px); line-height: 0.98; letter-spacing: -0.035em;
}
.showcase__sub {
  margin: 0 auto clamp(40px, 5vw, 72px); max-width: 52ch;
  font-size: clamp(15px, 1.25vw, 19px); line-height: 1.6; color: var(--ink-72);
}
.showcase__media {
  aspect-ratio: 16 / 9; width: 100%;
  box-shadow: 0 40px 90px -50px rgba(10,12,14,.45);
}

/* =====================================================================
   SPLIT — white, image + copy feature block (DJI alternating media)
   ===================================================================== */
.split {
  position: relative; z-index: 2;
  border-top: 1px solid var(--line);
  padding: clamp(80px, 13vh, 190px) var(--pad);
}
.split__inner {
  max-width: 1500px; margin-inline: auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 5vw, 96px);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media { aspect-ratio: 4 / 3; width: 100%; box-shadow: 0 30px 70px -48px rgba(10,12,14,.4); }
.split__copy { min-width: 0; }
.split__eyebrow { margin-bottom: 20px; }
.split__title {
  margin: 0 0 18px; max-width: 16ch; font-weight: 400;
  font-size: clamp(30px, 3.8vw, 58px); line-height: 1.04; letter-spacing: -0.03em;
}
.split__desc { margin: 0 0 26px; max-width: 44ch; font-size: clamp(15px, 1.2vw, 18px); line-height: 1.62; color: var(--ink-72); }
.split__stats { display: flex; gap: clamp(28px, 4vw, 56px); flex-wrap: wrap; }
.split__stat b { display: block; font-family: var(--display); font-weight: 500; font-size: clamp(26px, 2.6vw, 40px); letter-spacing: -0.02em; }
.split__stat span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-52); }

/* =====================================================================
   INSIDE — scroll-driven exploded 3D drone (disassembles to reveal internals)
   ===================================================================== */
.inside {
  position: relative; z-index: 2;
  background: var(--bg); border-top: 1px solid var(--line);
  height: 300vh;                         /* tall: gives the teardown room to play out */
}
.inside__sticky {
  position: sticky; top: 0; height: 100svh; overflow: hidden;
}
.inside__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 1; }
.inside__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(50% 55% at 50% 48%, rgba(182,255,58,.10), rgba(7,8,9,0) 68%);
}
.inside__copy {
  position: absolute; left: var(--pad); top: 50%; transform: translateY(-50%);
  max-width: 30ch; z-index: 3;
}
.inside__title { margin: 0 0 16px; font-weight: 400; font-size: clamp(30px, 3.8vw, 56px); line-height: 1.04; letter-spacing: -0.03em; }
.inside__desc { margin: 0; font-size: clamp(14px, 1.15vw, 17px); line-height: 1.62; color: var(--ink-72); }
.inside__legend {
  position: absolute; right: var(--pad); top: 50%; transform: translateY(-50%);
  z-index: 3; display: flex; flex-direction: column; gap: 16px;
}
.inside__item {
  display: flex; align-items: baseline; gap: 14px;
  opacity: .25; transform: translateX(10px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.inside__item.is-on { opacity: 1; transform: none; }
.inside__item .k { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--accent); min-width: 2em; }
.inside__item .n { font-size: clamp(15px, 1.2vw, 18px); }
.inside__hint {
  position: absolute; bottom: clamp(20px, 3vh, 34px); left: 50%; transform: translateX(-50%);
  z-index: 3; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--ink-34);
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 991px) {
  .pipe__steps { grid-template-columns: repeat(2, 1fr); }
  .reveal { min-height: auto; }
  .reveal__wrap { grid-template-columns: 1fr; }
  .reveal__main { border-right: none; padding-right: 0; }
  .reveal__void { display: none; }           /* on narrow screens the drone fades out instead */
  .statement__wrap { grid-template-columns: 1fr; }
  .statement__main {
    border-right: none; border-bottom: 1px solid var(--line);
    padding: clamp(60px,10vh,110px) 0;
  }
  .statement__facts { padding: clamp(50px,8vh,90px) 0; }
  .scan__inner { grid-template-columns: 1fr; gap: clamp(28px,5vh,54px); }
  .scan__stage { aspect-ratio: 4 / 3; max-height: 60vh; }
  .sol__grid { grid-template-columns: 1fr; }
  .sol__view { min-height: clamp(280px, 40vh, 420px); order: -1; }
  .airframe__specs { grid-template-columns: repeat(2, 1fr); }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .split__inner { grid-template-columns: 1fr; gap: clamp(24px,5vh,44px); }
  .split--reverse .split__media { order: -1; }
  .field__grid { grid-template-columns: repeat(2, 1fr); }
  .field__tile { grid-column: auto !important; grid-row: auto !important; }
  .field__tile:nth-child(1) { grid-column: span 2 !important; }
  .field__tile:nth-child(6) { grid-column: span 2 !important; }
}
@media (max-width: 767px) {
  .airframe__specs { grid-template-columns: 1fr; }
  .field__grid { grid-template-columns: 1fr; grid-auto-rows: clamp(150px, 30vh, 200px); }
  .field__tile:nth-child(1) { grid-column: auto !important; grid-row: auto !important; }
  .field__tile:nth-child(6) { grid-column: auto !important; }
  .specs__grid { grid-template-columns: 1fr; gap: 0; }
  .foot__top { grid-template-columns: 1fr; gap: 30px; }
  .foot__bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767px) {
  :root { --head-h: 60px; }
  .masthead { grid-template-columns: 1fr auto; }
  .masthead__tag { display: none; }
  /* on phones the drone stays centred; callouts sit low so they don't cover it */
  .walk__panel, .walk__panel--left, .walk__panel--right { justify-content: center; align-items: flex-end; }
  .walk__panel .feat { text-align: center; max-width: 40ch; padding-bottom: clamp(40px, 8vh, 90px); }
  .walk__panel--right .feat { text-align: center; }
  .walk__panel--right .feat__leader, .feat__leader { margin-inline: auto; }
  .pipe__steps { grid-template-columns: 1fr; }
  .pipe__head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .pipe__title { font-size: 28px; }
  .reveal__headline { font-size: 27px; line-height: 1.22; }
  .hero__coords { display: none; }
  .statement__line { font-size: 29px; }
  .scan__labels { flex-wrap: wrap; gap: 4px 20px; }
  .fault { min-height: 88vh; }
  .fault__caption { font-size: 30px; }
  .fault__corner { font-size: 10px; }
  /* inside: stack copy top, legend bottom, drone centred */
  .inside { height: 260vh; }
  .inside__copy { top: auto; bottom: auto; left: var(--pad); right: var(--pad); top: 84px; transform: none; max-width: none; text-align: center; }
  .inside__legend { top: auto; bottom: 60px; right: 0; left: 0; transform: none; flex-direction: row; justify-content: center; flex-wrap: wrap; gap: 10px 18px; }
  .inside__item .n { font-size: 13px; }
  .inside__hint { display: none; }
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] .word { filter: none; opacity: 1; transform: none; transition: none; }
  .masthead__logo .dot, .scrolldown__line span { animation: none; }
  html { scroll-behavior: auto; }
}