/* ================= QUANTZKA — site styles ================= */
:root{
  --bg:#09060f; --bg-2:#0d0918; --panel:#130d22; --panel-2:#180f2c;
  --line:rgba(139,63,212,.18); --line-strong:rgba(160,90,230,.38);
  --ink:#f4f1fa; --ink-mute:#a99fc0; --ink-dim:#736a8c;
  --violet:#8b3fd4; --magenta:#c74dff; --magenta-hi:#df7bff; --green:#5fd48a;
  --grad:linear-gradient(90deg,#7b34d4 0%,#b84dff 55%,#df7bff 100%);
  --grad-soft:linear-gradient(135deg,rgba(123,52,212,.22),rgba(223,123,255,.10));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(139,63,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(139,63,212,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 40%,transparent 100%)}
.wrap{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--magenta-hi)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1rem;padding:15px 30px;border-radius:4px;cursor:pointer;border:0;transition:transform .18s,box-shadow .25s,background .25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 34px -10px rgba(184,77,255,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px -12px rgba(184,77,255,.85)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:rgba(139,63,212,.12);transform:translateY(-2px)}

/* nav */
.site-nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(9,6,15,.78);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:.3em;font-size:.95rem;white-space:nowrap}
.brand .c{color:var(--magenta-hi)}
.menu{display:flex;gap:26px}
.menu a{font-family:'Space Grotesk',sans-serif;font-size:.92rem;color:var(--ink-mute);transition:color .2s;position:relative}
.menu a:hover,.menu a[aria-current]{color:var(--ink)}
.menu a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-24px;height:2px;background:var(--grad)}
.nav-cta{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.9rem;padding:9px 20px;border-radius:4px;background:var(--grad);color:#fff;white-space:nowrap;transition:transform .18s}
.nav-cta:hover{transform:translateY(-1px)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:1.5rem;cursor:pointer}
@media(max-width:860px){
  .menu{position:fixed;inset:68px 0 auto 0;flex-direction:column;gap:0;background:rgba(9,6,15,.98);border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-140%);transition:transform .3s;z-index:49}
  .menu.open{transform:none}
  .menu a{padding:16px 24px;border-top:1px solid var(--line)}
  .menu-toggle{display:block}
  .nav-cta{display:none}
}

/* hero / page header */
.hero{position:relative;padding:96px 0 70px;overflow:hidden}
.hero-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:900px;height:520px;pointer-events:none;background:radial-gradient(ellipse at center,rgba(184,77,255,.20),transparent 62%);filter:blur(20px)}
.hero h1{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(2.6rem,6.5vw,4.8rem);line-height:.98;text-transform:uppercase;letter-spacing:.01em}
.hero .lead{color:var(--ink-mute);font-size:clamp(1.05rem,2.3vw,1.24rem);max-width:60ch;margin-top:20px}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.pagehead{padding:80px 0 30px;position:relative}
.pagehead .eyebrow{display:block;margin-bottom:14px}
.pagehead h1{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(2.2rem,5.5vw,3.6rem);line-height:1}
.pagehead p{color:var(--ink-mute);max-width:62ch;margin-top:18px;font-size:1.06rem}

section{position:relative;padding:64px 0}
h2{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.08;letter-spacing:-.01em}
.sec-lead{color:var(--ink-mute);font-size:1.05rem;max-width:60ch;margin-top:16px}

/* cards / grids */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:30px 28px;transition:border-color .25s,transform .25s,background .25s}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);background:var(--panel-2)}
.card h3{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.35rem;margin-bottom:10px}
.card p{color:var(--ink-mute);font-size:.98rem}
.card .k{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.14em;color:var(--magenta-hi);text-transform:uppercase;margin-bottom:14px;display:block}
.card .more{display:inline-block;margin-top:16px;font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--magenta-hi)}
.card .more:hover{color:var(--ink)}

/* featured guide block */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;background:linear-gradient(180deg,#140e26,#0d0818);border:1px solid var(--line-strong);border-radius:20px;padding:44px;overflow:hidden}
.feature img{width:100%;max-width:420px;border-radius:14px;display:block;margin:0 auto;filter:drop-shadow(0 30px 60px rgba(184,77,255,.3))}
.feature .badge{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;background:var(--grad);padding:6px 14px;border-radius:30px;margin-bottom:16px}
.feature h2{margin-bottom:12px}
.feature ul{list-style:none;margin:18px 0}
.feature li{display:flex;gap:12px;padding:6px 0;color:var(--ink-mute)}
.feature li .c{color:var(--green)}
@media(max-width:820px){.feature{grid-template-columns:1fr;gap:26px;padding:30px}}

/* list rows */
.rows{list-style:none;margin-top:10px}
.rows li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.rows li:last-child{border-bottom:0}
.rows .n{font-family:'Anton',sans-serif;font-size:1.5rem;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text;flex:none;width:44px}
.rows h4{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem}
.rows p{color:var(--ink-dim);font-size:.92rem;margin-top:2px}

/* cta band */
.cta-band{text-align:center;background:var(--grad-soft);border:1px solid var(--line-strong);border-radius:18px;padding:52px 30px}
.cta-band h2{max-width:22ch;margin:0 auto 10px}
.cta-band p{color:var(--ink-mute);max-width:52ch;margin:0 auto 26px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:.82rem;color:var(--ink-mute);margin-bottom:6px;font-family:'IBM Plex Mono',monospace;letter-spacing:.06em}
.field input,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line-strong);border-radius:8px;color:var(--ink);padding:13px 14px;font-family:inherit;font-size:1rem}
.field textarea{min-height:130px;resize:vertical}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:56px 0 46px;position:relative;margin-top:40px}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px}
.foot-brand .brand{font-size:1.1rem}
.foot-brand p{color:var(--ink-dim);font-size:.86rem;margin-top:12px;max-width:34ch}
.foot-cols{display:flex;flex-wrap:wrap;gap:20px 48px}
.foot-col h5{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.18em;color:var(--ink-dim);text-transform:uppercase;margin-bottom:12px}
.foot-col a{display:block;color:var(--ink-mute);font-size:.9rem;padding:4px 0;transition:color .2s}
.foot-col a:hover{color:var(--magenta-hi)}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.76rem;color:var(--ink-dim);font-family:'IBM Plex Mono',monospace}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}