/* ============================================================
   Kinetic Studios — landing page
   Dark, premium, Apple-style. Brand accent: lime #ccff00.
   ============================================================ */

:root{
  --bg:#000000;
  --bg-alt:#08080a;
  --surface:#0e0e11;
  --surface-2:#141418;
  --fg:#f5f5f7;
  --muted:#a1a1a6;
  --dim:#6e6e76;
  --accent:#ccff00;
  --accent-dim:#9bc400;
  --border:#1f1f24;
  --border-soft:#17171b;
  --radius:20px;
  --radius-sm:12px;
  --maxw:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);line-height:1.6;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);margin:0 0 18px;font-weight:500;
}
.accent{color:var(--accent)}
.section{padding:120px 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.section-head{max-width:680px;margin:0 auto 64px;text-align:center}
.section-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.06;letter-spacing:-.025em;
  font-weight:600;margin:0 0 22px;
}
.section-lead{color:var(--muted);font-size:clamp(16px,1.4vw,19px);margin:0 auto;max-width:60ch}

/* ---------- brand ---------- */
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 14px rgba(204,255,0,.55);flex:none}
.brand-dot.lg{width:14px;height:14px}
.brand-word{font-family:var(--mono);font-size:13px;letter-spacing:.28em;font-weight:500}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:550;line-height:1;border-radius:999px;
  padding:14px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),background .25s var(--ease),
             border-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#0a0a00;box-shadow:0 6px 30px -10px rgba(204,255,0,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px -10px rgba(204,255,0,.7)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--fg);border-color:var(--border)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px);border-color:#2c2c33}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s var(--ease),border-color .3s var(--ease)}
.nav::after{content:"";position:absolute;inset:0;border-bottom:1px solid transparent;pointer-events:none;transition:border-color .3s var(--ease)}
.nav.scrolled{background:rgba(0,0,0,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
.nav.scrolled::after{border-bottom-color:var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:24px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--muted);transition:color .2s var(--ease);position:relative}
.nav-links a:hover{color:var(--fg)}
.nav-links a.active{color:var(--fg)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{flex:none}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;
  margin-left:auto;background:none;border:0;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--fg);border-radius:2px;margin:0 auto;
  transition:transform .3s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;padding:8px 24px 22px;gap:4px;
  background:rgba(0,0,0,.9);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.mobile-menu a{padding:13px 4px;font-size:18px;color:var(--fg);border-bottom:1px solid var(--border-soft)}
.mobile-menu a:last-child{border-bottom:0}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;
  padding:110px 0 80px;overflow:hidden}
.hero-glow{position:absolute;top:-10%;left:50%;transform:translateX(-50%);
  width:min(1100px,120vw);height:760px;pointer-events:none;
  background:
    radial-gradient(closest-side,rgba(204,255,0,.16),transparent 70%),
    radial-gradient(closest-side at 30% 40%,rgba(60,120,255,.10),transparent 70%);
  filter:blur(20px);animation:floaty 14s ease-in-out infinite alternate}
@keyframes floaty{from{transform:translateX(-52%) translateY(0)}to{transform:translateX(-48%) translateY(26px)}}
.hero-inner{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-title{
  font-size:clamp(42px,8vw,88px);line-height:1.02;letter-spacing:-.035em;font-weight:650;
  margin:0 0 26px;max-width:16ch;
}
.hero-sub{color:var(--muted);font-size:clamp(17px,1.7vw,21px);max-width:58ch;margin:0 0 38px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.hero-meta{display:flex;align-items:center;gap:16px;margin-top:54px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.hero-meta i{width:4px;height:4px;border-radius:50%;background:var(--border);display:inline-block}
.scroll-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:1.5px solid var(--border);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.scroll-hint span{width:3px;height:8px;border-radius:3px;background:var(--accent);animation:scrolldot 1.8s var(--ease) infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(-4px)}30%{opacity:1}60%{opacity:1;transform:translateY(8px)}100%{opacity:0;transform:translateY(12px)}}

/* ============================================================
   ABOUT — value cards
   ============================================================ */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 30px;transition:transform .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease)}
.value:hover{transform:translateY(-4px);border-color:#2a2a31;background:var(--surface-2)}
.value-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(204,255,0,.10);color:var(--accent);margin-bottom:20px}
.value-ico svg{width:24px;height:24px}
.value h3{font-size:20px;font-weight:600;margin:0 0 10px;letter-spacing:-.02em}
.value p{color:var(--muted);font-size:15px;margin:0}

/* ============================================================
   PRODUCTS
   ============================================================ */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:38px 32px 34px;overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s var(--ease)}
.product::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(160deg,rgba(204,255,0,.4),transparent 40%);
  -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 var(--ease)}
.product:hover{transform:translateY(-5px)}
.product:hover::before{opacity:1}
.product-ico{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);color:var(--accent);margin-bottom:22px;border:1px solid var(--border)}
.product-ico svg{width:27px;height:27px}
.product h3{font-size:22px;font-weight:600;margin:0 0 12px;letter-spacing:-.02em}
.product p{color:var(--muted);font-size:15px;margin:0}

/* ============================================================
   SPRINOVO
   ============================================================ */
.sprinovo{overflow:hidden}
.sprinovo-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.sprinovo-word{display:flex;align-items:center;gap:14px;font-family:var(--mono);
  font-size:clamp(22px,3vw,30px);letter-spacing:.16em;font-weight:600;margin-bottom:18px}
.sprinovo-title{font-size:clamp(32px,4.5vw,50px);line-height:1.05;letter-spacing:-.03em;font-weight:600;margin:0 0 20px}
.sprinovo .section-lead{margin:0 0 26px}
.sprinovo-feats{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-direction:column;gap:12px}
.sprinovo-feats li{position:relative;padding-left:28px;color:var(--fg);font-size:15.5px}
.sprinovo-feats li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:rgba(204,255,0,.14);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ccff00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 4 4 10-10'/%3E%3C/svg%3E");
  background-size:11px;background-position:center;background-repeat:no-repeat}
.sprinovo-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.badge-soon{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(204,255,0,.35);border-radius:999px;padding:8px 16px;background:rgba(204,255,0,.05)}
.link-quiet{color:var(--muted);font-size:14.5px;transition:color .2s var(--ease)}
.link-quiet:hover{color:var(--fg)}

/* score ring visual */
.sprinovo-visual{display:flex;justify-content:center}
.ring-card{position:relative;width:min(360px,80vw);aspect-ratio:1;border-radius:32px;
  background:radial-gradient(120% 120% at 50% 0%,#121216,#08080a);
  border:1px solid var(--border);display:grid;place-items:center;
  box-shadow:0 40px 90px -40px rgba(204,255,0,.25),inset 0 1px 0 rgba(255,255,255,.04)}
.ring{width:74%;transform:rotate(-90deg)}
.ring-track{fill:none;stroke:var(--surface-2);stroke-width:12}
.ring-fill{fill:none;stroke:var(--accent);stroke-width:12;stroke-linecap:round;
  stroke-dasharray:603;stroke-dashoffset:603;transition:stroke-dashoffset 1.6s var(--ease);
  filter:drop-shadow(0 0 10px rgba(204,255,0,.5))}
.reveal.in .ring-fill{stroke-dashoffset:90} /* ~85% */
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.ring-score{font-size:64px;font-weight:680;letter-spacing:-.04em;line-height:1}
.ring-level{font-family:var(--mono);font-size:13px;letter-spacing:.28em;color:var(--accent);margin-top:6px}
.ring-arche{font-size:13px;color:var(--muted);letter-spacing:0}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner{max-width:620px;margin:0 auto}
.email-big{display:inline-block;margin-top:22px;font-size:clamp(20px,2.6vw,30px);font-weight:600;
  letter-spacing:-.02em;color:var(--accent);transition:opacity .2s var(--ease)}
.email-big:hover{opacity:.8}
.contact-form{margin-top:48px;display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;text-align:left}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.field input,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  color:var(--fg);font:inherit;font-size:15px;padding:14px 16px;resize:vertical;
  transition:border-color .2s var(--ease),background .2s var(--ease)}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent-dim);background:var(--surface-2)}
.form-note{font-size:12.5px;color:var(--dim);text-align:center;margin:4px 0 0}
.form-note.err{color:#ff6b6b}
.form-note.ok{color:var(--accent)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:54px 0;border-top:1px solid var(--border)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--fg)}
.copy{font-size:12.5px;color:var(--dim);margin:0;font-family:var(--mono);letter-spacing:.03em;width:100%}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.value:nth-child(2),.product:nth-child(2){transition-delay:.08s}
.value:nth-child(3),.product:nth-child(3){transition-delay:.16s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:860px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .mobile-menu:not([hidden]){display:flex}
  .section{padding:84px 0}
  .value-grid,.product-grid{grid-template-columns:1fr}
  .sprinovo-inner{grid-template-columns:1fr;gap:48px;text-align:center}
  .sprinovo-word,.sprinovo-actions{justify-content:center}
  .sprinovo-feats{display:inline-flex;text-align:left;margin-inline:auto}
  .value:nth-child(n),.product:nth-child(n){transition-delay:0s}
}
@media(max-width:520px){
  .wrap{padding:0 20px}
  .hero{padding-top:96px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}

/* accessibility */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  .ring-fill{transition:none;stroke-dashoffset:90}
}