/* =========================================================================
   Aethyr: "Arcane Terminal"
   Cyberpunk neon × holographic sci-fi × arcane fantasy. Original art only.
   Brand tokens, type, motion, and IP rules: ../../STYLE_GUIDE.md
   (see "Brand and visual identity"). Keep this :root the source of truth.
   ========================================================================= */

:root{
  --void:#070710;
  --void-2:#0b0b1a;
  --panel:rgba(20,22,46,.46);
  --cyan:#1ce6ff;
  --magenta:#ff2bd6;
  --violet:#9b6bff;
  --ember:#ff8a4c;
  --ink:#e8ecff;
  --ink-dim:#8b93c4;
  --line:rgba(130,150,230,.16);
  --glow-cyan:0 0 24px rgba(28,230,255,.55);
  --glow-mag:0 0 24px rgba(255,43,214,.5);
  --f-display:'Chakra Petch',sans-serif;
  --f-arcane:'Cinzel',serif;
  --f-body:'Sora',sans-serif;
  --f-mono:'JetBrains Mono',monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body);
  background:var(--void);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
::selection{background:var(--magenta);color:#0a0a14}

/* ---- atmospheric layers (fixed, behind everything) ---- */
#constellation,.grid-horizon,.scanlines,.grain,.vignette{
  position:fixed;inset:0;pointer-events:none;z-index:0;
}
#constellation{z-index:1}
.grid-horizon{
  z-index:0;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(155,107,255,.18), transparent 60%),
    radial-gradient(90% 70% at 90% 10%, rgba(255,43,214,.12), transparent 55%),
    radial-gradient(90% 70% at 8% 20%, rgba(28,230,255,.12), transparent 55%);
}
.grid-horizon::after{
  content:"";position:absolute;left:-25%;right:-25%;bottom:-2vh;height:55vh;
  background-image:
    linear-gradient(rgba(28,230,255,.20) 1px,transparent 1px),
    linear-gradient(90deg,rgba(155,107,255,.18) 1px,transparent 1px);
  background-size:44px 44px;
  transform:perspective(50vh) rotateX(72deg);
  transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(transparent,#000 70%);
  mask-image:linear-gradient(transparent,#000 70%);
  animation:grid-drift 14s linear infinite;
}
@keyframes grid-drift{to{background-position:0 44px,44px 0}}
.scanlines{
  z-index:7;opacity:.45;mix-blend-mode:overlay;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.5) 0 1px,transparent 1px 3px);
  animation:scan 7s linear infinite;
}
@keyframes scan{to{background-position:0 600px}}
.grain{
  z-index:8;opacity:.06;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.vignette{
  /* below content (z-index 5) so it darkens the backdrop edges only and never
     paints over the footer / summon text; softer stop so the bottom stays legible */
  z-index:3;
  background:radial-gradient(120% 100% at 50% 0%,transparent 62%,rgba(3,3,8,.5) 100%);
}

/* ---- nav ---- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,5vw,64px);
  transition:background .4s var(--ease),backdrop-filter .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.solid{
  background:rgba(7,7,16,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-lockup{width:clamp(150px,22vw,260px);height:auto;display:block}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* couple the lockup's themable strokes to the brand tokens
   (leave .xtl-cut and the bespoke facet tints baked into the SVG) */
.brand-lockup .xtl-edge{stroke:var(--cyan)}
.xtl-wordmark{stroke:var(--ink)}
.xtl-glint-violet{stroke:var(--violet)}
.xtl-glint-magenta{stroke:var(--magenta)}
.xtl-glint-ember{stroke:var(--ember)}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px);
  font-family:var(--f-display);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.nav-links a{color:var(--ink-dim);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{
  color:var(--ink)!important;border:1px solid var(--cyan);
  padding:.45rem .95rem;border-radius:2px;
  box-shadow:inset 0 0 12px rgba(28,230,255,.18);
}
.nav-cta:hover{background:rgba(28,230,255,.12);box-shadow:var(--glow-cyan)}

/* ---- reveal primitives ---- */
.reveal,.reveal-up{opacity:0;transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal{transform:translateY(18px)}
.reveal-up{transform:translateY(40px)}
.reveal.in,.reveal-up.in{opacity:1;transform:none}
.card.in,.step.in,.terminal.in{transition-delay:calc(var(--i,0)*90ms)}

/* ---- HERO ---- */
.hero{position:relative;z-index:5;min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  padding:120px clamp(20px,7vw,120px) 80px;max-width:1320px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;width:max-content;
  font-family:var(--f-mono);font-size:.74rem;letter-spacing:.34em;color:var(--cyan);
  padding:.5rem .9rem;border:1px solid var(--line);border-radius:2px;
  background:rgba(28,230,255,.05);text-transform:uppercase}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:var(--glow-cyan);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{50%{opacity:.3;transform:scale(.7)}}
.hero-title{font-family:var(--f-display);font-weight:700;
  font-size:clamp(2.7rem,8.2vw,7rem);line-height:.95;letter-spacing:-.01em;
  margin:1.4rem 0 1.6rem;text-transform:uppercase}
.hero-title .glitch{display:block}
.hero-title .arcane{
  font-family:var(--f-arcane);font-weight:700;letter-spacing:.01em;
  background:linear-gradient(100deg,var(--cyan),var(--violet) 45%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 26px rgba(155,107,255,.45));
}
.hero-sub{max-width:42ch;font-size:clamp(1.02rem,1.7vw,1.28rem);color:var(--ink-dim);
  font-weight:300}
.hero-sub strong{color:var(--ink);font-weight:500}
.hero-sub em{color:var(--cyan);font-style:normal}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:2.2rem 0}
.hero-stats{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,52px);list-style:none;
  margin-top:1rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-family:var(--f-display);font-size:clamp(1.8rem,3.4vw,2.6rem);
  font-weight:700;color:var(--ink);line-height:1}
.hero-stats span{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;
  color:var(--ink-dim);text-transform:uppercase;margin-top:.4rem}

/* glitch */
.glitch{position:relative}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;inset:0;clip-path:inset(0);
  opacity:.85;pointer-events:none}
.glitch::before{color:var(--magenta);transform:translate(-2px,0);
  animation:gl-a 3.6s steps(2,end) infinite}
.glitch::after{color:var(--cyan);transform:translate(2px,0);
  animation:gl-b 3.2s steps(2,end) infinite}
.glitch.arcane::before,.glitch.arcane::after{display:none}
@keyframes gl-a{
  0%,92%,100%{clip-path:inset(0 0 100% 0);transform:translate(-2px,0)}
  93%{clip-path:inset(20% 0 35% 0);transform:translate(3px,-1px)}
  96%{clip-path:inset(62% 0 8% 0);transform:translate(-3px,1px)}}
@keyframes gl-b{
  0%,90%,100%{clip-path:inset(0 0 100% 0);transform:translate(2px,0)}
  91%{clip-path:inset(48% 0 20% 0);transform:translate(-3px,0)}
  97%{clip-path:inset(10% 0 70% 0);transform:translate(3px,1px)}}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--f-display);font-weight:600;font-size:.92rem;letter-spacing:.06em;
  padding:.95rem 1.6rem;border-radius:2px;text-transform:uppercase;
  transition:transform .2s var(--ease),box-shadow .3s,background .3s;overflow:hidden}
.btn.big{padding:1.15rem 2.1rem;font-size:1rem}
.btn-primary{color:#06060f;background:linear-gradient(100deg,var(--cyan),var(--magenta));
  box-shadow:0 0 0 1px rgba(255,255,255,.1),0 8px 30px rgba(255,43,214,.32)}
.btn-primary:hover{transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(255,255,255,.2),0 12px 44px rgba(28,230,255,.5)}
.btn-primary::after{content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.5),transparent 70%);
  transform:translateX(-130%);transition:transform .6s var(--ease)}
.btn-primary:hover::after{transform:translateX(130%)}
.btn-ghost{color:var(--ink);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;
  box-shadow:inset 0 0 18px rgba(28,230,255,.12);transform:translateY(-2px)}
/* SOON badge lives on a wrapper (not the .btn) so it can sit OUTSIDE the button.
   The button keeps overflow:hidden for its shimmer sweep, which would otherwise clip it. */
.soon-wrap{position:relative;display:inline-flex}
.soon-wrap::before{content:"SOON";position:absolute;top:-9px;right:-9px;z-index:3;
  font-family:var(--f-mono);font-size:.56rem;letter-spacing:.1em;color:#06060f;
  background:var(--ember);padding:.12rem .35rem;border-radius:2px;
  box-shadow:0 0 14px rgba(255,138,76,.6);pointer-events:none}

/* scroll cue */
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  width:24px;height:40px;border:1px solid var(--line);border-radius:14px;
  display:flex;justify-content:center;padding-top:7px}
.scroll-cue span{width:3px;height:8px;border-radius:2px;background:var(--cyan);
  box-shadow:var(--glow-cyan);animation:cue 1.7s var(--ease) infinite}
@keyframes cue{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* ---- marquee ---- */
.marquee{position:relative;z-index:5;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);background:rgba(11,11,26,.6);
  padding:14px 0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;width:max-content;will-change:transform;
  animation:march var(--marquee-dur,40s) linear infinite}
.marquee-set{display:flex;gap:34px;padding-right:34px;flex-shrink:0;align-items:center;
  font-family:var(--f-display);font-size:.86rem;letter-spacing:.22em;color:var(--ink-dim);
  text-transform:uppercase;white-space:nowrap}
.marquee-set i{color:var(--magenta);font-style:normal}
@keyframes march{to{transform:translateX(-50%)}}

/* ---- section heads ---- */
.section-head{max-width:1320px;margin:0 auto;padding:clamp(70px,11vw,150px) clamp(20px,7vw,120px) 0}
.kicker{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.3em;color:var(--cyan);
  text-transform:uppercase}
.section-head h2{font-family:var(--f-display);font-weight:700;
  font-size:clamp(2rem,5vw,3.6rem);line-height:1.04;margin-top:1rem;letter-spacing:-.01em}
.grad{background:linear-gradient(100deg,var(--cyan),var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* ---- features ---- */
.features{position:relative;z-index:5}
.card-grid{max-width:1320px;margin:0 auto;padding:48px clamp(20px,7vw,120px) 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.card{position:relative;padding:30px 28px 56px;border:1px solid var(--line);border-radius:6px;
  background:linear-gradient(160deg,rgba(20,22,46,.5),rgba(10,10,22,.4));
  backdrop-filter:blur(6px);overflow:hidden;transition:transform .35s var(--ease),border-color .35s}
.card::before{content:"";position:absolute;inset:0;border-radius:6px;padding:1px;
  background:linear-gradient(140deg,var(--cyan),transparent 40%,transparent 60%,var(--magenta));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-6px);border-color:transparent}
.card:hover::before{opacity:1}
.card:hover .card-glyph{color:var(--cyan);text-shadow:var(--glow-cyan);transform:rotate(-8deg) scale(1.08)}
.card-glyph{font-size:2.2rem;color:var(--violet);transition:.4s var(--ease);display:inline-block;
  filter:drop-shadow(0 0 14px rgba(155,107,255,.5))}
.card h3{font-family:var(--f-display);font-weight:600;font-size:1.3rem;margin:1.1rem 0 .6rem}
.card p{color:var(--ink-dim);font-size:.97rem;font-weight:300}
.card code{font-family:var(--f-mono);font-size:.85em;color:var(--cyan);
  background:rgba(28,230,255,.08);padding:.05em .35em;border-radius:3px}
.card-tag{position:absolute;bottom:16px;left:28px;font-family:var(--f-mono);font-size:.66rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim);
  border:1px solid var(--line);padding:.2rem .5rem;border-radius:2px}

/* ---- flow ---- */
.flow{position:relative;z-index:5}
.flow-wrap{max-width:1320px;margin:0 auto;padding:48px clamp(20px,7vw,120px) 0;
  display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:center}
.steps{list-style:none;display:flex;flex-direction:column;gap:18px}
.step{position:relative;padding:22px 24px 22px 84px;border:1px solid var(--line);border-radius:6px;
  background:rgba(12,12,26,.4);transition:border-color .3s,background .3s}
.step:hover{border-color:var(--violet);background:rgba(20,16,40,.5)}
.step-no{position:absolute;left:24px;top:20px;font-family:var(--f-arcane);font-weight:700;
  font-size:2rem;color:transparent;-webkit-text-stroke:1px var(--violet);
  filter:drop-shadow(0 0 10px rgba(155,107,255,.4))}
.step h3{font-family:var(--f-display);font-weight:600;font-size:1.2rem;margin-bottom:.3rem}
.step p{color:var(--ink-dim);font-size:.95rem;font-weight:300}

.terminal{border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background:rgba(6,6,14,.86);box-shadow:0 24px 70px rgba(0,0,0,.55),inset 0 0 60px rgba(28,230,255,.04)}
.terminal-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(20,22,46,.5)}
.terminal-bar .dot{width:11px;height:11px;border-radius:50%;background:#2a2d4d}
.terminal-bar .dot:nth-child(1){background:var(--magenta)}
.terminal-bar .dot:nth-child(2){background:var(--ember)}
.terminal-bar .dot:nth-child(3){background:var(--cyan)}
.terminal-bar em{margin-left:8px;font-family:var(--f-mono);font-size:.76rem;color:var(--ink-dim);font-style:normal}
.terminal-body{padding:22px 22px 26px;font-family:var(--f-mono);font-size:.86rem;
  line-height:1.85;min-height:320px;white-space:pre-wrap;color:var(--ink)}
.terminal-body .u{color:var(--cyan)}
.terminal-body .a{color:var(--violet)}
.terminal-body .ok{color:#54f0a8}
.terminal-body .dim{color:var(--ink-dim)}
.caret{display:inline-block;width:9px;color:var(--cyan);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---- summon / CTA ---- */
.summon{position:relative;z-index:5;margin-top:clamp(70px,11vw,150px);
  padding:clamp(80px,12vw,170px) 20px;display:flex;justify-content:center;text-align:center;overflow:hidden}
.summon-ring{position:absolute;top:50%;left:50%;width:min(120vw,900px);aspect-ratio:1;
  transform:translate(-50%,-50%);border-radius:50%;
  background:conic-gradient(from 0deg,transparent,rgba(28,230,255,.16),transparent 30%,rgba(255,43,214,.16),transparent 60%,rgba(155,107,255,.16),transparent);
  -webkit-mask:radial-gradient(circle,transparent 56%,#000 57%,#000 60%,transparent 61%);
  mask:radial-gradient(circle,transparent 56%,#000 57%,#000 60%,transparent 61%);
  animation:summon-spin 26s linear infinite;opacity:.9}
@keyframes summon-spin{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.summon-inner{position:relative;max-width:680px}
.summon-inner h2{font-family:var(--f-display);font-weight:700;
  font-size:clamp(2.2rem,6vw,4.2rem);line-height:1;margin:1rem 0 1.2rem}
.summon-inner>p{color:var(--ink-dim);font-size:clamp(1rem,1.8vw,1.18rem);font-weight:300;
  max-width:48ch;margin:0 auto}
.summon-cta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:2.4rem 0 1.4rem}
.fineprint{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;color:var(--ink-dim);
  text-transform:uppercase}

/* ---- footer ---- */
.foot{position:relative;z-index:5;border-top:1px solid var(--line);
  padding:46px clamp(20px,7vw,120px);background:rgba(7,7,16,.7);text-align:center}
.foot-brand{font-family:var(--f-arcane);font-weight:700;font-size:1.1rem;letter-spacing:.04em}
.foot-mark{width:20px;height:20px;vertical-align:-4px;
  filter:drop-shadow(0 0 8px rgba(28,230,255,.45))}
.foot-note{color:var(--ink-dim);margin:.6rem 0;font-weight:300}
.foot-legal{font-family:var(--f-mono);font-size:.68rem;color:#5a608a;letter-spacing:.04em}

/* ---- brand lockup micro-animation ----
   Cheap (small SVG), so it stays on for mobile; the global
   prefers-reduced-motion:reduce rule below turns it off when requested.
   Every keyframe returns to its 0% state so each loop is seamless. */
@media (prefers-reduced-motion: no-preference){
  .brand-lockup{animation:aethyr-breathe 6s var(--ease) infinite}
  @keyframes aethyr-breathe{0%,100%{opacity:.94}50%{opacity:1}}

  .brand-lockup .xtl-core{transform-box:fill-box;transform-origin:center;
    animation:xtl-core-breathe 6.5s var(--ease) infinite}
  @keyframes xtl-core-breathe{0%,100%{opacity:.78}50%{opacity:1}}

  .xtl-glint-violet{animation:xtl-glint 5.5s var(--ease) infinite}
  .xtl-glint-magenta{animation:xtl-glint 5.5s var(--ease) .9s infinite}
  .xtl-glint-ember{animation:xtl-glint 5.5s var(--ease) 1.8s infinite}
  @keyframes xtl-glint{0%,100%{opacity:.35}50%{opacity:.7}}

  .brand-lockup .xtl-shard{animation:xtl-twinkle 7s ease-in-out infinite}
  .brand-lockup .xtl-shard:nth-child(3n){animation-duration:8.5s;animation-delay:1.2s}
  .brand-lockup .xtl-shard:nth-child(3n+1){animation-duration:6s;animation-delay:.6s}
  @keyframes xtl-twinkle{
    0%,100%{opacity:var(--o,.6);transform:translateX(0)}
    50%{opacity:calc(var(--o,.6)*.6);transform:translateX(1.5px)}}
}

/* ---- responsive ---- */
@media(max-width:860px){
  .flow-wrap{grid-template-columns:1fr}
  .nav-links a:not(.nav-cta){display:none}
}
/* mobile: drop the GPU-heavy compositing layers (full-screen blend-mode overlays)
   and the drifting canvas so the page renders smoothly on phones. The static
   gradient backdrop (grid horizon + vignette) stays; the canvas is skipped in JS. */
@media(max-width:760px){
  .scanlines,.grain{display:none}
  .summon-ring{animation:none;opacity:.4}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal,.reveal-up{opacity:1;transform:none}
  html{scroll-behavior:auto}
}