/* ============================================================
   EleviCom — Design-system base
   Tokens · Reset · Typography · Glass · Buttons · Nav · Preloader
   ============================================================ */

/* ============ TOKENS ============ */
:root{
  --bg:#070809;
  --bg-2:#0B0D11;
  --bg-3:#101319;
  --glass:rgba(255,255,255,.035);
  --glass-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --yellow:#F5C842;
  --yellow-br:#FFDB54;
  --yellow-deep:#C99A2B;
  --gray:#8A8E9A;
  --gray-2:#5C616E;
  --text:#EAECF2;
  --r:16px;
  --maxw:1280px;
  --ease:cubic-bezier(.22,.65,.2,1);
  --glow-y:0 0 18px rgba(245,200,66,.55), 0 0 44px rgba(245,200,66,.22);
  --glow-y-sm:0 0 10px rgba(245,200,66,.5);
  /* fluid spacing — avoids hard breakpoint jumps */
  --section-pad: clamp(68px, 9vw, 120px);
  --wrap-px:     clamp(20px, 3.5vw, 32px);
  --head-mb:     clamp(38px, 5vw, 60px);
}

/* ============ RESET ============ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Golos Text',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}

/* global atmospheric field — hidden at top, fades in from mid-services (JS sets --bgfade) */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:var(--bgfade,0);
  background:
    radial-gradient(60% 40% at 78% 8%,rgba(245,200,66,.10),transparent 60%),
    radial-gradient(50% 38% at 12% 42%,rgba(245,200,66,.05),transparent 60%),
    radial-gradient(70% 50% at 50% 108%,rgba(245,200,66,.06),transparent 60%);
}
/* fine grain dot grid */
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(80% 80% at 50% 30%,#000,transparent 90%);
}

/* ============ TYPOGRAPHY ============ */
h1,h2,h3,h4,.disp{font-family:'Onest',sans-serif;font-weight:700;letter-spacing:-.015em;line-height:1.04}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a,button{touch-action:manipulation}

/* ============ LAYOUT HELPERS ============ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--wrap-px);position:relative;z-index:2}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.16em;font-size:11px;
  color:#D2D5DD;display:inline-flex;align-items:center;gap:11px;
  padding:9px 16px 9px 13px;border-radius:40px;
  background:linear-gradient(157deg,rgba(255,255,255,.075),rgba(255,255,255,.022) 58%);
  border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.1)
}
.eyebrow::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow);
  box-shadow:0 0 10px var(--yellow),0 0 20px rgba(245,200,66,.5)
}
.section{padding:var(--section-pad) 0;position:relative;z-index:2}
.section-head{margin-bottom:var(--head-mb);max-width:780px}
.section-head h2{font-size:clamp(40px,5.2vw,66px);margin:20px 0 0;color:#fff}
.section-head h2 .hl{color:var(--yellow);text-shadow:var(--glow-y)}
.section-head p{color:var(--gray);font-size:clamp(16px,1.8vw,18px);margin-top:18px;max-width:560px}
.muted{color:var(--gray)}

/* ============ GLASS SURFACE ============ */
.glass{
  background:linear-gradient(157deg,rgba(255,255,255,.075),rgba(255,255,255,.022) 58%);
  backdrop-filter:blur(22px) saturate(1.35);-webkit-backdrop-filter:blur(22px) saturate(1.35);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r);
  position:relative;
  box-shadow:0 12px 44px -18px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.12), inset 0 0 28px rgba(255,255,255,.02);
}
.glass::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(150deg,rgba(255,255,255,.28),rgba(255,255,255,.04) 35%,transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.8
}

/* HUD corner brackets */
.hud{position:absolute;width:14px;height:14px;border:1.5px solid var(--yellow);opacity:.55;pointer-events:none;box-shadow:var(--glow-y-sm)}
.hud.tl{top:12px;left:12px;border-right:0;border-bottom:0}
.hud.tr{top:12px;right:12px;border-left:0;border-bottom:0}
.hud.bl{bottom:12px;left:12px;border-right:0;border-top:0}
.hud.br{bottom:12px;right:12px;border-left:0;border-top:0}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Golos Text',sans-serif;font-weight:600;letter-spacing:.01em;
  font-size:15.5px;padding:15px 28px;border-radius:12px;cursor:pointer;border:none;
  transition:transform .2s var(--ease),background .2s,color .2s,box-shadow .25s;
  white-space:nowrap;position:relative;
}
.btn-primary{background:var(--yellow);color:#15120A;box-shadow:var(--glow-y)}
.btn-primary:hover{
  background:var(--yellow-br);transform:translateY(-2px);
  box-shadow:0 0 26px rgba(245,200,66,.7),0 0 60px rgba(245,200,66,.35),0 14px 30px -10px rgba(245,200,66,.5)
}
.btn-ghost{background:var(--glass);color:#fff;border:1px solid var(--line-2);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:var(--yellow);color:var(--yellow);box-shadow:0 0 22px rgba(245,200,66,.18)}
.btn svg{width:18px;height:18px}

/* ============ NAV ============ */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s,border-color .3s,backdrop-filter .3s,transform .35s var(--ease);
  border-bottom:1px solid transparent
}
header.nav.nav-hidden{transform:translateY(-100%)}
.scroll-progress{
  position:fixed;top:0;left:0;height:2.5px;width:0;z-index:130;
  background:linear-gradient(90deg,var(--yellow-deep),var(--yellow));
  box-shadow:0 0 10px rgba(245,200,66,.55);pointer-events:none;border-radius:0 3px 3px 0
}
header.nav.scrolled{background:rgba(7,8,9,.72);backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;max-width:var(--maxw);margin:0 auto;padding:0 var(--wrap-px);gap:24px
}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:42px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{font-size:15px;font-weight:500;color:#C7CAD2;padding:9px 15px;border-radius:9px;transition:color .2s;position:relative}
.nav-links a:hover{color:#fff}
.nav-links a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:1.5px;
  background:var(--yellow);box-shadow:var(--glow-y-sm);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)
}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.nav-phone{
  display:flex;align-items:center;gap:9px;
  font-family:'IBM Plex Mono',ui-monospace,monospace;font-weight:700;font-size:15px;color:#fff;transition:color .2s
}
.nav-phone:hover{color:var(--yellow)}
.nav-phone svg{width:16px;height:16px;color:var(--yellow);filter:drop-shadow(var(--glow-y-sm))}
.burger{
  display:none;width:46px;height:46px;border:1px solid var(--line-2);border-radius:11px;
  background:var(--glass);cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center
}
.burger span{width:20px;height:2px;background:#fff;transition:transform .25s var(--ease),opacity .25s;border-radius:2px}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;background:rgba(7,8,9,.97);backdrop-filter:blur(20px);z-index:99;
  transform:translateX(100%);transition:transform .35s var(--ease);
  display:flex;flex-direction:column;padding:104px 32px 36px;gap:4px
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{font-family:'Onest',sans-serif;font-size:26px;padding:17px 0;border-bottom:1px solid var(--line);color:var(--text)}
.mobile-menu a:hover{color:var(--yellow)}
/* the CTA is an <a>, so the .mobile-menu a rule above otherwise overrides the
   button's size/color/padding — restore the normal button look here */
.mobile-menu .btn{margin-top:24px;font-size:15.5px;padding:15px 28px;border-bottom:none;justify-content:center}
.mobile-menu .btn-primary,.mobile-menu .btn-primary:hover{color:#15120A}

/* ============ ACCESSIBILITY ============ */
:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}
/* Hero entrance — GPU-composited CSS transition, independent of the JS rAF
   loop so it can never freeze mid-fade and leave the first screen blank.
   Default (no .he-init) state is fully visible, so any JS hiccup is safe. */
.he-init{opacity:0;transform:translate3d(0,28px,0)}
.he-init.he-glass{opacity:1}            /* glass blocks: slide only, no fade */
.he-init.he-in{
  opacity:1;transform:translate3d(0,0,0);
  transition:opacity .72s var(--ease) var(--he-delay,0ms),
             transform .72s var(--ease) var(--he-delay,0ms)
}
@media(prefers-reduced-motion:reduce){.he-init{opacity:1;transform:none}}

/* Scroll-reveal: GPU-composited CSS transition (not per-frame JS) so blocks
   animate smoothly on mobile even while the main thread is busy scrolling. */
.reveal{opacity:0;transform:translate3d(0,var(--reveal-y,34px),0)}
.reveal.in{
  opacity:1;transform:translate3d(0,0,0);
  transition:opacity var(--reveal-dur,620ms) var(--ease) var(--reveal-delay,0ms),
             transform var(--reveal-dur,620ms) var(--ease) var(--reveal-delay,0ms)
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .hero-secondary .arrow{animation:none}
  .reveal{opacity:1;transform:none}
}

/* ============ PREMIUM LAYER ============ */
::selection{background:var(--yellow);color:#15120A}
html::-webkit-scrollbar{width:10px}
html::-webkit-scrollbar-track{background:#0A0B0E}
html::-webkit-scrollbar-thumb{background:#23272F;border-radius:6px;border:2px solid #0A0B0E}
html::-webkit-scrollbar-thumb:hover{background:var(--yellow-deep)}

/* film grain */
.grain-fx{
  position:fixed;inset:-50%;z-index:92;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* cursor glow follower (desktop only) */
.cur-ring{
  display:none;position:fixed;top:0;left:0;z-index:480;pointer-events:none;
  width:36px;height:36px;margin:-18px 0 0 -18px;border-radius:50%;
  border:1.5px solid rgba(245,200,66,.5);box-shadow:0 0 18px rgba(245,200,66,.18);
  transition:width .25s var(--ease),height .25s var(--ease),margin .25s var(--ease),opacity .3s;opacity:0
}
.cur-ring.on{opacity:1}
.cur-ring.grow{width:58px;height:58px;margin:-29px 0 0 -29px;border-color:rgba(245,200,66,.85)}
@media(pointer:fine) and (min-width:901px){.cur-ring{display:block}}

/* light sweep on primary CTAs */
.has-shine{overflow:hidden;position:relative}
.btn-shine{
  position:absolute;top:-10%;bottom:-10%;width:34%;left:0;
  transform:translateX(-160%) skewX(-22deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.38),transparent);
  pointer-events:none
}

/* [id] anchor offset for fixed header */
[id]{scroll-margin-top:96px}
/* sections have large padding-top — subtract it so scroll lands on content */
.section[id]{scroll-margin-top:calc(100px - var(--section-pad))}

/* honeypot — hidden from humans, visible to bots */
.form-honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}