/* ============================================================
   mapsto3d — homepage
   Self-contained. Other pages keep assets/site.css.
   ============================================================ */

:root{
  /* surfaces: deep space, never pure black */
  --bg:        #070b12;
  --bg-2:      #0a111c;
  --panel:     #0e1726;
  --panel-2:   #121d2e;
  --line:      #1d2b40;
  --line-2:    #27384f;

  /* ink */
  --ink:       #eef4fb;
  --ink-2:     #b6c6d8;
  --ink-3:     #7e91a8;

  /* accents — restrained */
  --cyan:      #3ddbf0;
  --cyan-deep: #16a8c4;
  --green:     #5fbf8a;
  --green-deep:#2f7d55;
  --gold:      #e8a93b;
  --gold-deep: #b87f22;

  --radius:    16px;
  --radius-lg: 24px;
  --maxw:      1200px;
  --gutter:    24px;

  --shadow:    0 18px 50px rgba(0,0,0,.45);
  --ring:      0 0 0 3px rgba(61,219,240,.45);

  --ff-display:'Barlow Condensed','IBM Plex Sans',system-ui,sans-serif;
  --ff-body:   'IBM Plex Sans',system-ui,-apple-system,Segoe UI,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--ff-body);
  font-size:17px;
  line-height:1.65;
  overflow-x:hidden;
  /* faint aurora wash, no image request */
  background-image:
    radial-gradient(1100px 620px at 78% -6%, rgba(61,219,240,.10), transparent 62%),
    radial-gradient(900px 560px at 8% 4%, rgba(95,191,138,.07), transparent 60%),
    linear-gradient(180deg,#070b12 0%,#0a111c 45%,#070b12 100%);
  background-attachment:fixed;
}

img,svg{max-width:100%;height:auto;display:block}

a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}

:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--cyan);color:#04121a;padding:12px 20px;
  border-radius:0 0 10px 0;font-weight:600;
}
.skip:focus{left:0}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--ff-display);font-weight:700;line-height:1.04;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(2.1rem,5vw,3.4rem)}
h3{font-size:1.32rem;font-weight:600;font-family:var(--ff-body);line-height:1.3;letter-spacing:0}

.eyebrow{
  font-family:var(--ff-body);font-size:.78rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  margin:0 0 14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);opacity:.7;flex:none}
.eyebrow.mid{justify-content:center}
.eyebrow.mid::after{content:"";width:26px;height:1px;background:var(--cyan);opacity:.7}

.lede{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--ink-2);max-width:62ch;margin:18px 0 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.mid{margin-inline:auto;text-align:center}

section{padding:clamp(72px,10vw,120px) 0;position:relative}

.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);border:0;margin:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--ff-body);font-weight:600;font-size:1rem;
  padding:16px 30px;border-radius:999px;border:1px solid transparent;
  min-height:52px;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none}

.btn-primary{
  color:#04141a;
  background:linear-gradient(135deg,var(--cyan) 0%,#7defdc 55%,var(--green) 100%);
  box-shadow:0 0 0 1px rgba(61,219,240,.5),0 10px 34px rgba(61,219,240,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,219,240,.7),0 16px 44px rgba(61,219,240,.42)}

.btn-ghost{color:var(--ink);background:rgba(255,255,255,.04);border-color:var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--cyan);transform:translateY(-2px)}

.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
  border-bottom:1px solid transparent;
}
.nav.stuck{
  background:rgba(8,13,21,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav .bar{display:flex;align-items:center;gap:22px;height:72px}

.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--ff-display);font-weight:700;font-size:1.42rem;letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  color:var(--ink-2);font-size:.95rem;font-weight:500;
  padding:9px 14px;border-radius:9px;transition:color .16s,background .16s;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.06);text-decoration:none}
.nav-cta{padding:11px 20px;font-size:.93rem;min-height:44px}
/* ".nav-links a" beats ".btn-primary" on specificity, which left the call
   to action with pale text on its pale gradient. Win it back explicitly. */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover,
.nav-links a.btn-primary:focus-visible{
  color:#04141a;
  background:linear-gradient(135deg,var(--cyan) 0%,#7defdc 55%,var(--green) 100%);
}

.nav-toggle{
  display:none;margin-left:auto;background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);color:var(--ink);
  width:46px;height:46px;border-radius:11px;cursor:pointer;
  align-items:center;justify-content:center;
}

/* ---------- hero ---------- */
.hero{padding-top:150px;padding-bottom:clamp(70px,9vw,110px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}

.hero h1{font-size:clamp(2.9rem,7.2vw,5.3rem);letter-spacing:-.02em}
.hero h1 .hl{
  position:relative;white-space:nowrap;
  background:linear-gradient(100deg,var(--cyan) 0%,#93f0e2 40%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.04em;height:3px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--gold),transparent);
  opacity:.55;border-radius:2px;
}
.hero .lede{margin-top:26px;font-size:clamp(1.05rem,1.7vw,1.26rem)}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

.trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  margin:26px 0 0;color:var(--ink-3);font-size:.93rem;list-style:none;padding:0;
}
.trust li{display:flex;align-items:center;gap:8px}
.trust li::before{
  content:"";width:6px;height:6px;border-radius:50%;flex:none;
  background:var(--green);box-shadow:0 0 9px var(--green);
}

/* ---------- hero visual ---------- */
.stage{position:relative;aspect-ratio:1/1;max-width:560px;margin-inline:auto;width:100%}
.stage svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}

.spin{transform-box:fill-box;transform-origin:center center;animation:spin 64s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.globe-glow{animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.5}50%{opacity:.9}}

.contour{
  stroke-dasharray:5 7;
  animation:flow 9s linear infinite;
}
@keyframes flow{to{stroke-dashoffset:-96}}

.bld{transform-box:fill-box;transform-origin:center bottom;animation:extrude 5s ease-in-out infinite}
.bld:nth-of-type(2){animation-delay:.45s}
.bld:nth-of-type(3){animation-delay:.9s}
.bld:nth-of-type(4){animation-delay:1.35s}
.bld:nth-of-type(5){animation-delay:1.8s}
@keyframes extrude{0%,100%{transform:scaleY(.55);opacity:.7}50%{transform:scaleY(1);opacity:1}}

.tile{animation:float 8s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

.mote{animation:mote 6s ease-in-out infinite}
.mote:nth-of-type(even){animation-duration:8s;animation-delay:1.4s}
@keyframes mote{0%,100%{opacity:.15;transform:translateY(0)}50%{opacity:.85;transform:translateY(-22px)}}

.scanline{animation:scan 5.5s ease-in-out infinite}
@keyframes scan{0%,100%{transform:translateY(-6px);opacity:0}15%,85%{opacity:.85}50%{transform:translateY(96px)}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s;list-style:none;padding:0;margin:0}
.step{
  position:relative;padding:30px 24px 28px;border-radius:var(--radius);
  background:linear-gradient(170deg,var(--panel) 0%,rgba(14,23,38,.35) 100%);
  border:1px solid var(--line);overflow:hidden;
}
.step::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);opacity:.65;
}
.step .num{
  font-family:var(--ff-display);font-size:.95rem;font-weight:600;letter-spacing:.2em;
  color:var(--cyan);display:block;margin-bottom:16px;
}
.step h3{margin-bottom:10px}
.step p{margin:0;color:var(--ink-2);font-size:.97rem}
.step .ico{width:38px;height:38px;margin-bottom:18px;color:var(--cyan);opacity:.9}

/* ---------- compare slider ---------- */
.compare{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--shadow);
  aspect-ratio:16/9;background:var(--panel);touch-action:pan-y;
}
.compare-pane{position:absolute;inset:0}
.compare-pane svg{width:100%;height:100%;display:block}
.compare-top{clip-path:inset(0 0 0 50%);will-change:clip-path}

.compare-label{
  position:absolute;top:16px;z-index:4;
  font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;
  background:rgba(7,11,18,.78);border:1px solid var(--line-2);color:var(--ink-2);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.compare-label.l{left:16px}
.compare-label.r{right:16px;color:var(--cyan);border-color:rgba(61,219,240,.4)}

.compare-handle{
  position:absolute;top:0;bottom:0;width:2px;z-index:5;
  background:linear-gradient(180deg,transparent,var(--cyan) 12%,var(--cyan) 88%,transparent);
  transform:translateX(-1px);pointer-events:none;
}
.compare-handle::after{
  content:"";position:absolute;top:50%;left:50%;width:48px;height:48px;
  transform:translate(-50%,-50%);border-radius:50%;z-index:0;
  background:rgba(10,18,28,.94);border:2px solid var(--cyan);
  box-shadow:0 0 22px rgba(61,219,240,.5),inset 0 0 12px rgba(61,219,240,.18);
}
.compare-handle .grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:2;color:var(--cyan);width:24px;height:24px;max-width:none;
  filter:drop-shadow(0 0 4px rgba(61,219,240,.65));
}

.compare-range{
  position:absolute;inset:0;width:100%;height:100%;z-index:6;
  opacity:0;cursor:ew-resize;margin:0;
}
.compare-range:focus-visible + .compare-handle::after{box-shadow:0 0 0 4px rgba(61,219,240,.5),0 0 22px rgba(61,219,240,.6)}
.compare-hint{margin:16px 0 0;text-align:center;color:var(--ink-3);font-size:.9rem}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  position:relative;padding:32px 28px;border-radius:var(--radius);
  background:linear-gradient(168deg,var(--panel) 0%,rgba(10,17,28,.5) 100%);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.card .ico{
  width:46px;height:46px;border-radius:12px;margin-bottom:20px;
  display:grid;place-items:center;color:var(--cyan);
  background:rgba(61,219,240,.1);border:1px solid rgba(61,219,240,.24);
}
.card .ico svg{width:24px;height:24px}
.card.g .ico{color:var(--green);background:rgba(95,191,138,.1);border-color:rgba(95,191,138,.26)}
.card.a .ico{color:var(--gold);background:rgba(232,169,59,.1);border-color:rgba(232,169,59,.26)}
.card h3{margin-bottom:10px}
.card p{margin:0;color:var(--ink-2);font-size:.97rem}

/* blog strip: one link per card, stretched over the whole card by the
   heading's ::after, so the card is clickable without nesting links */
.card.post h3 a{color:inherit;text-decoration:none}
.card.post h3 a::after{content:"";position:absolute;inset:0;border-radius:inherit}
.card.post h3 a:focus-visible{box-shadow:none}
.card.post:has(a:focus-visible){box-shadow:var(--ring)}
.card .post-meta{margin:0 0 10px;font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan)}
.more-link{margin:30px 0 0}
.more-link a{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-weight:600;text-decoration:none}
.more-link a:hover{color:var(--ink)}

/* ---------- print / spec ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}

.speclist{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 22px}
.speclist li{display:flex;gap:11px;align-items:flex-start;color:var(--ink-2);font-size:.97rem}
.speclist svg{width:18px;height:18px;color:var(--green);flex:none;margin-top:4px}

.spec-stage{position:relative;aspect-ratio:1/1;max-width:480px;margin-inline:auto;width:100%}
.spec-stage svg{width:100%;height:100%;overflow:visible}

/* ---------- formats ---------- */
.pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:52px}
.fmt{
  position:relative;text-align:center;padding:28px 16px 24px;border-radius:var(--radius);
  background:linear-gradient(170deg,var(--panel) 0%,rgba(10,17,28,.4) 100%);
  border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.fmt:hover{transform:translateY(-5px);border-color:rgba(61,219,240,.45);box-shadow:0 14px 34px rgba(61,219,240,.14)}
.fmt .ext{
  font-family:var(--ff-display);font-size:2.05rem;font-weight:700;letter-spacing:.02em;
  color:var(--ink);display:block;line-height:1;
}
.fmt .use{display:block;margin-top:9px;font-size:.84rem;color:var(--ink-3);line-height:1.4}
.fmt::after{
  content:"";position:absolute;left:50%;top:0;width:34px;height:2px;transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
}

/* ---------- free ---------- */
.free{text-align:center}
.bignum{
  font-family:var(--ff-display);font-weight:700;line-height:.9;letter-spacing:-.02em;
  font-size:clamp(4.6rem,16vw,11rem);margin:22px 0 6px;
  background:linear-gradient(140deg,#fff 0%,var(--cyan) 42%,var(--green) 72%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ticks{
  list-style:none;padding:0;margin:38px auto 0;max-width:820px;
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px;
}
.ticks li{
  display:flex;align-items:center;gap:9px;font-size:.96rem;color:var(--ink-2);
  padding:11px 19px;border-radius:999px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.ticks svg{width:16px;height:16px;color:var(--green);flex:none}

/* ---------- privacy ---------- */
.privacy-stage{max-width:300px;margin-inline:auto;width:100%}

/* ---------- data sources ---------- */
.sources{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-top:44px}
.source{
  padding:24px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.028);border:1px solid var(--line);
}
.source .k{
  display:block;font-size:.72rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:9px;
}
.source .v{display:block;font-weight:600;color:var(--ink);font-size:1.02rem;line-height:1.35}
.source .n{display:block;margin-top:7px;font-size:.87rem;color:var(--ink-3)}

/* ---------- SEO prose ---------- */
.prose{max-width:820px}
.prose p{color:var(--ink-2);margin:0 0 18px}
.prose h3{margin:34px 0 12px;color:var(--ink)}
.prose a{color:var(--cyan)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin-inline:auto}
.qa{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.028);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease;
}
.qa[open]{border-color:rgba(61,219,240,.35);background:rgba(61,219,240,.04)}
.qa summary{
  cursor:pointer;list-style:none;padding:22px 58px 22px 26px;position:relative;
  font-weight:600;font-size:1.05rem;color:var(--ink);
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:"";position:absolute;right:26px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.qa[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.qa summary:hover{color:var(--cyan)}
.qa .a{padding:0 26px 24px;color:var(--ink-2);margin:0}
.qa .a p{margin:0 0 12px}
.qa .a p:last-child{margin-bottom:0}

/* ---------- final CTA ---------- */
.final{position:relative;text-align:center;overflow:hidden;padding-block:clamp(90px,12vw,150px)}
.final-bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  display:grid;place-items:center;opacity:.5;
}
.final-bg svg{width:min(760px,124%);height:auto}
.final .wrap{position:relative;z-index:1}
.final h2{font-size:clamp(2.5rem,6.4vw,4.6rem)}
.final .lede{margin-inline:auto;text-align:center}
.final .btn{margin-top:38px}
.final .fine{margin:20px 0 0;color:var(--ink-3);font-size:.94rem}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:56px 0 44px;background:rgba(5,8,14,.55)}
.foot-top{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:flex-start}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.foot-nav a{color:var(--ink-2);font-size:.95rem}
.foot-nav a:hover{color:var(--cyan)}
.attrib{
  margin:36px 0 0;padding-top:26px;border-top:1px solid var(--line);
  color:var(--ink-3);font-size:.86rem;line-height:1.7;max-width:900px;
}
.attrib a{color:var(--ink-2)}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero{padding-top:124px}
  .stage{max-width:440px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .pipeline{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:44px}
  .speclist{grid-template-columns:1fr 1fr}
}

@media (max-width:760px){
  :root{--gutter:16px}
  body{font-size:16px}
  html{scroll-padding-top:76px}

  .nav .bar{height:64px}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;
    background:rgba(8,13,21,.97);border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 12px;font-size:1rem}
  .nav-cta{margin-top:8px;justify-content:center}
  .nav-toggle{display:flex}

  .hero{padding-top:104px}
  .hero h1 .hl{white-space:normal}
  .hero h1 .hl::after{display:none}
  .hero-cta{gap:11px}
  .hero-cta .btn{width:100%}
  .stage{max-width:330px}

  .steps,.cards,.pipeline{grid-template-columns:1fr}
  .speclist{grid-template-columns:1fr}
  .compare{aspect-ratio:16/9}
  .compare-label{font-size:.64rem;padding:5px 10px;top:12px}
  .compare-label.l{left:12px}
  .compare-label.r{right:12px}
  .compare-handle::after{width:40px;height:40px}
  .section-head{margin-bottom:38px}
  .ticks li{width:100%;justify-content:center}
  .qa summary{padding:19px 50px 19px 20px;font-size:1rem}
  .qa .a{padding:0 20px 20px}
  .foot-top{flex-direction:column;gap:22px}
  .foot-nav{gap:2px 18px}
  .foot-nav a{padding:10px 0;display:inline-block}
}

@media (max-width:420px){
  .stage{max-width:270px}
  .bignum{font-size:4.4rem}
}

/* ============================================================
   reduced motion — stop everything that moves
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .spin,.globe-glow,.contour,.bld,.tile,.mote,.scanline{animation:none!important}
  .bld{transform:none}
  .card:hover,.fmt:hover,.btn:hover{transform:none}
}

/* high contrast / forced colors */
@media (forced-colors:active){
  .card,.step,.fmt,.qa,.source{border-color:CanvasText}
  .btn-primary{background:ButtonFace;color:ButtonText}
}
.foot-guides{margin-top:14px}