/* ============================================================
   NEKXOR — Design System
   Navy + confident blue accent · Space Grotesk + Space Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* brand / ink */
  --navy-900:#07182a;
  --navy-800:#0a2138;
  --navy-700:#0e2d46;   /* brand navy */
  --navy-600:#16395a;
  --navy-500:#1f4a72;
  --ink:#0e2d46;

  /* accent */
  --accent:#2f6fd4;
  --accent-600:#2560bd;
  --accent-700:#1f52a0;
  --accent-soft:#e9f1fc;

  /* neutrals (cool, low chroma) */
  --paper:#ffffff;
  --soft:#f4f7fa;
  --soft-2:#eaeff5;
  --line:#e2e8f0;
  --line-2:#d6dee8;
  --muted:#566576;
  --muted-2:#8595a6;

  /* on-dark */
  --d-text:#eaf1f8;
  --d-muted:#9fb2c5;
  --d-line:rgba(255,255,255,.12);

  --maxw:1180px;
  --gut:clamp(20px,5vw,72px);
  --radius:14px;
  --radius-sm:9px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Space Grotesk',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-size:clamp(16px,1.05vw,17.5px);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}

/* ---------- type ---------- */
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.04;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.7rem,6.2vw,5.1rem);font-weight:600;letter-spacing:-.035em}
h2{font-size:clamp(2rem,4.2vw,3.35rem);letter-spacing:-.03em}
h3{font-size:clamp(1.35rem,2.3vw,1.85rem);letter-spacing:-.02em}
p{margin:0}
.lead{font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.5;color:var(--muted);font-weight:400}
strong{font-weight:600;color:var(--ink)}

.mono{font-family:'Space Mono',monospace}

/* kicker: mono label with index + rule */
.kicker{
  font-family:'Space Mono',monospace;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:400;
  display:inline-flex;align-items:center;gap:.7em;
}
.kicker::before{content:'';width:26px;height:1px;background:var(--accent);display:inline-block;opacity:.6}
.kicker[data-i]::after{content:attr(data-i);color:var(--muted-2);opacity:.7}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
section{position:relative}
.sec{padding-block:clamp(72px,10vw,140px)}
.sec-sm{padding-block:clamp(54px,7vw,96px)}
.bg-soft{background:var(--soft)}
.bg-navy{background:var(--navy-700);color:var(--d-text)}
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-navy h4{color:#fff}
.bg-navy .lead{color:var(--d-muted)}
.bg-navy .kicker{color:#7fb0f0}
.bg-navy .kicker::before{background:#7fb0f0}
.bg-deep{background:var(--navy-900);color:var(--d-text)}
.bg-deep h1,.bg-deep h2,.bg-deep h3{color:#fff}

.grid{display:grid;gap:clamp(20px,2.4vw,34px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:1fr}}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}}

.eyebrow-row{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- header / nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--gut);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),padding .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding-block:13px;
}
.nav__logo img{height:30px;width:auto}
/* logo swap: white while floating over dark hero, navy once scrolled onto white bar */
.nav__logo--dark{display:none}
.nav.scrolled .nav__logo--light{display:none}
.nav.scrolled .nav__logo--dark{display:block}
.nav__links{display:flex;align-items:center;gap:clamp(18px,2vw,34px)}
.nav__links a{
  font-size:.95rem;font-weight:500;color:var(--ink);position:relative;padding:4px 0;
  transition:color .2s;
}
.nav__links a::after{content:'';position:absolute;left:0;right:100%;bottom:-2px;height:1.5px;background:var(--accent);transition:right .3s var(--ease)}
.nav__links a:hover{color:var(--accent)}
.nav__links a:hover::after,.nav__links a.active::after{right:0}
.nav__links a.active{color:var(--accent)}
/* over the dark hero (top, not scrolled): light, higher-contrast links */
.nav:not(.scrolled) .nav__links a{color:#eaf1f8}
.nav:not(.scrolled) .nav__links a:hover,
.nav:not(.scrolled) .nav__links a.active{color:#fff}
.nav:not(.scrolled) .nav__links a::after{background:#7fb0f0}
.nav:not(.scrolled) .nav__burger span{background:#fff}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:22px;height:2px;background:var(--ink);transition:.3s var(--ease)}

@media(max-width:980px){
  .nav__links,.nav__cta .btn{display:none}
  .nav__burger{display:flex}
}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:99;background:var(--navy-900);color:#fff;
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 var(--gut);
  transform:translateY(-100%);transition:transform .5s var(--ease);
}
.drawer.open{transform:translateY(0)}
.drawer a{font-size:clamp(1.6rem,7vw,2.4rem);font-weight:600;color:#fff;padding:10px 0;border-bottom:1px solid var(--d-line);letter-spacing:-.02em}
.drawer a .mono{font-size:.8rem;color:#7fb0f0;margin-right:14px}
.drawer .btn{margin-top:28px;align-self:flex-start}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:'Space Grotesk';font-weight:500;font-size:1rem;
  padding:.85em 1.4em;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 22px -10px rgba(47,111,212,.8)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px)}
.btn-ink{background:var(--navy-700);color:#fff}
.btn-ink:hover{background:var(--navy-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--navy-700)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 30px -12px rgba(0,0,0,.4)}
.btn-on-dark-ghost{background:transparent;border-color:var(--d-line);color:#fff}
.btn-on-dark-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-lg{font-size:1.08rem;padding:1em 1.7em}

/* ---------- placeholders (user drops photos later) ---------- */
.ph{
  position:relative;width:100%;border-radius:var(--radius);overflow:hidden;
  background:
    repeating-linear-gradient(135deg,rgba(14,45,70,.045) 0 1px,transparent 1px 11px),
    linear-gradient(180deg,#eef3f8,#e6edf4);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:var(--r,16/10);
}
.ph::before,.ph::after{content:'';position:absolute;width:14px;height:14px;border:1.5px solid var(--muted-2);opacity:.55}
.ph::before{top:12px;left:12px;border-right:0;border-bottom:0}
.ph::after{bottom:12px;right:12px;border-left:0;border-top:0}
.ph__cap{
  font-family:'Space Mono',monospace;font-size:.74rem;letter-spacing:.06em;
  color:var(--muted);text-transform:uppercase;text-align:center;
  background:rgba(255,255,255,.7);padding:.5em .9em;border-radius:6px;border:1px solid var(--line);
  max-width:80%;
}
.ph.dark{
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px),
    linear-gradient(180deg,#0c2740,#0a1f34);
  border-color:rgba(255,255,255,.1);
}
.ph.dark .ph__cap{background:rgba(255,255,255,.06);color:#9fb2c5;border-color:rgba(255,255,255,.12)}
.ph.dark::before,.ph.dark::after{border-color:rgba(255,255,255,.3)}
.ph.has-img{background:none}
.ph.has-img::before,.ph.has-img::after{display:none}
.ph.has-img img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.lightbox-trigger{cursor:zoom-in}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;
  background:rgba(10,14,20,.92);padding:5vh 5vw;cursor:zoom-out;
}
.lightbox.is-open{display:flex}
.lightbox__img{max-width:100%;max-height:100%;border-radius:var(--radius);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox__close{
  position:absolute;top:24px;right:28px;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;
  font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.lightbox__close:hover{background:rgba(255,255,255,.14)}

/* ---------- cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,2.4vw,34px);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;
}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 50px -28px rgba(14,45,70,.35);border-color:var(--line-2)}
.card .num{font-family:'Space Mono';font-size:.8rem;color:var(--accent);letter-spacing:.1em}
.card h3{margin:.5em 0 .4em}
.card p{color:var(--muted);font-size:.98rem}
.card-dark{background:var(--navy-800);border-color:var(--d-line)}
.card-dark h3{color:#fff}.card-dark p{color:var(--d-muted)}

/* feature/module list cell */
.cell{padding:clamp(22px,2.2vw,30px);border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.3s var(--ease)}
.cell:hover{border-color:var(--accent);box-shadow:0 18px 44px -30px rgba(47,111,212,.6)}
.cell .ix{font-family:'Space Mono';font-size:.78rem;color:var(--muted-2);letter-spacing:.1em}
.cell h3{font-size:1.18rem;margin:.7em 0 .35em}
.cell p{color:var(--muted);font-size:.95rem}

/* glyph chip */
.glyph{
  width:46px;height:46px;border-radius:11px;display:grid;place-items:center;
  background:var(--accent-soft);border:1px solid #d4e3f7;
}
.glyph svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.6}
.bg-navy .glyph,.bg-deep .glyph{background:rgba(127,176,240,.14);border-color:rgba(127,176,240,.25)}
.bg-navy .glyph svg,.bg-deep .glyph svg{stroke:#7fb0f0}

/* divider rule with mono tag */
.rule{display:flex;align-items:center;gap:18px;color:var(--muted-2)}
.rule::after{content:'';flex:1;height:1px;background:var(--line)}
.bg-navy .rule::after,.bg-deep .rule::after{background:var(--d-line)}

/* list with check ticks */
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.ticks li{display:flex;gap:14px;align-items:flex-start;color:var(--muted);font-size:1.02rem}
.ticks li::before{content:'';flex:none;margin-top:.45em;width:9px;height:9px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.bg-navy .ticks li,.bg-deep .ticks li{color:var(--d-muted)}
.bg-navy .ticks li strong{color:#fff}

/* stat */
.stat .n{font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:600;letter-spacing:-.03em;line-height:1}
.stat .l{font-family:'Space Mono';font-size:.8rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-top:.6em}
.bg-navy .stat .l,.bg-deep .stat .l{color:var(--d-muted)}
.bg-navy .stat .n{color:#fff}

/* pill tag */
.pill{display:inline-flex;align-items:center;gap:.5em;font-family:'Space Mono';font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);background:#fff;border:1px solid var(--line);padding:.45em .9em;border-radius:999px}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- footer ---------- */
.footer{background:var(--navy-900);color:var(--d-text);padding-block:clamp(56px,7vw,90px)}
.footer a{color:var(--d-muted);transition:color .2s}
.footer a:hover{color:#fff}
.footer__top{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px}
@media(max-width:820px){.footer__top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__top{grid-template-columns:1fr}}
.footer__logo{height:30px;margin-bottom:20px}
.footer h4{font-family:'Space Mono';font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);font-weight:400;margin-bottom:18px}
.footer__links{display:grid;gap:11px;font-size:.96rem}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  margin-top:56px;padding-top:24px;border-top:1px solid var(--d-line);font-size:.85rem;color:var(--muted-2)}
.footer__bottom .mono{font-size:.78rem;letter-spacing:.04em}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.4s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* watermark mark */
.mark-wm{position:absolute;pointer-events:none;opacity:.05;z-index:0}
.bg-navy .mark-wm,.bg-deep .mark-wm{opacity:.06}

/* utility */
.flow>*+*{margin-top:1.1em}
.flow-lg>*+*{margin-top:1.7em}
.center{text-align:center}
.mx-auto{margin-inline:auto}
.measure{max-width:62ch}
.measure-sm{max-width:46ch}
.rel{position:relative;z-index:1}
.muted{color:var(--muted)}
.acc{color:var(--accent)}
.nowrap{white-space:nowrap}
.tag-no{display:block;font-weight:600}

/* ---------- inner page hero ---------- */
.phero{background:var(--navy-900);color:var(--d-text);position:relative;overflow:hidden;
  padding-top:clamp(140px,17vh,200px);padding-bottom:clamp(56px,7vw,96px)}
.phero h1{color:#fff;font-size:clamp(2.3rem,5vw,4rem)}
.phero .lead{color:var(--d-muted);margin-top:24px}
.phero__nav{font-family:'Space Mono';font-size:.74rem;letter-spacing:.1em;color:#7fb0f0;text-transform:uppercase;margin-bottom:26px}
.phero__nav a{color:var(--muted-2)}
.phero__nav a:hover{color:#fff}

/* numbered split layout block */
.layer{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,40px);padding:clamp(26px,3vw,40px) 0;border-top:1px solid var(--line);align-items:start}
.layer:last-child{border-bottom:1px solid var(--line)}
.layer__ix{font-family:'Space Mono';font-size:.82rem;color:var(--accent);letter-spacing:.1em;padding-top:.4em}
.layer h3{font-size:clamp(1.3rem,2.2vw,1.7rem)}
.layer p{color:var(--muted);margin-top:.6em;max-width:60ch}
@media(max-width:560px){.layer{grid-template-columns:1fr;gap:8px}}