/*
  Ozsolutions Theme (Antigravity-inspired)
  --------------------------------------------------
  - Dark-by-default page theme (set <html data-theme="dark">)
  - Nav uses its own theme via [data-theme]: transparentLight | transparentDark | light | dark
  - Clean tokens + utilities, glass surfaces, gradient accents
*/

/* ---------- CSS Reset / Base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
:root{
  /* Page tokens (light default, overridden by [data-theme="dark"]) */
  --bg:#ffffff;
  --text:rgba(0,0,0,.85);
  --muted:rgba(0,0,0,.55);
  --line:rgba(0,0,0,.12);
  --glass:rgba(0,0,0,.03);
  --shadow:0 10px 30px rgba(0,0,0,.25);

  --brand-1:#7dd3fc; /* cyan */
  --brand-2:#a78bfa; /* violet */

  --mono:"Noto Sans Mono","Noto Sans SC",monospace;

  --maxw:1200px;
  --radius-xl:22px;
  --speed:.35s;
}
:root[data-theme="dark"]{
  --bg:#000000;
  --text:rgba(243,242,237,.90);
  --muted:rgba(243,242,237,.60);
  --line:rgba(243,242,237,.12);
  --glass:rgba(255,255,255,.05);
  --shadow:0 10px 30px rgba(0,0,0,.45);
}

body{
  font-family:'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Ambient Background (orbs + grid, subtle) ---------- */
.bg-orbs::before,.bg-orbs::after{
  content:"";position:fixed;inset:auto;z-index:-2;border-radius:50%;filter:blur(90px);opacity:.22;width:60vmax;height:60vmax;pointer-events:none
}
.bg-orbs::before{left:-20vmax;top:-10vmax;background:radial-gradient(circle at 30% 30%, var(--brand-2), transparent 60%)}
.bg-orbs::after{right:-15vmax;bottom:-10vmax;background:radial-gradient(circle at 70% 70%, var(--brand-1), transparent 60%)}
.grid-bg{position:fixed;inset:0;z-index:-1;opacity:.08;background-image:linear-gradient(to right, currentColor .75px, transparent 1px),linear-gradient(to bottom, currentColor .75px, transparent 1px);background-size:40px 40px;color:var(--line);mask-image:radial-gradient(ellipse at 60% 20%, #000 18%, transparent 70%)}

/* ---------- NAV (attribute-driven theme like Antigravity) ---------- */
.nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);transition:background-color .3s,color .3s,border-color .3s}
.nav .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}

/* Mono/uppercase look */
.nav{ font-family: var(--mono), "Helvetica Neue","Helvetica","Arial",sans-serif; }

.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.4px}
.logo{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.02));box-shadow:inset 0 0 18px rgba(255,255,255,.12),0 6px 18px rgba(124,181,255,.35)}
.logo-svg{display:block}
.nav-links{display:flex;align-items:center;gap:18px}

/* link hover slide (simple variant) */
.nav-links a{font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;color:inherit;opacity:.85;padding:10px 12px;border-radius:10px}
.nav-links a:hover{opacity:1}

/* Nav themes */
.nav[data-theme="transparentLight"]{color:hsla(0,0%,100%,.85);background-color:rgba(0,0,0,0)}
.nav[data-theme="transparentDark"]{color:rgba(0,0,0,.85);background-color:rgba(0,0,0,0)}
.nav[data-theme="light"]{color:hsla(0,0%,100%,.85);background-color:rgba(0,0,0,.90);border-bottom:1px solid rgba(255,255,255,.08)}
.nav[data-theme="dark"]{color:rgba(0,0,0,.85);background-color:hsla(0,0%,100%,.90);border-bottom:1px solid rgba(0,0,0,.08)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;border-radius:999px;font-weight:600;position:relative;background:linear-gradient(180deg, var(--glass), rgba(255,255,255,.03));border:1px solid var(--line);transition:transform var(--speed), box-shadow var(--speed), background var(--speed);box-shadow:var(--shadow)}
.btn:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent}
.btn-primary{border:0;color:#0b0f14;background:linear-gradient(#fff,#fff) padding-box, linear-gradient(45deg, var(--brand-1), var(--brand-2)) border-box;border:2px solid transparent}
.btn-primary .inner{background:linear-gradient(45deg, var(--brand-1), var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}

/* ---------- HERO ---------- */
.hero{padding:min(12vh,120px) 0 80px}
.tag{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;font-size:.82rem;color:#0b0f14;font-weight:700;letter-spacing:.4px;background:linear-gradient(90deg, var(--brand-1), var(--brand-2));box-shadow:0 8px 30px rgba(124,181,255,.25)}
.hero h1{margin:18px 0 12px;font-size:clamp(2.2rem,5vw,4rem);line-height:1.1;letter-spacing:.5px;font-weight:700;background:linear-gradient(180deg,#fff,#c9d7e6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:clamp(1.02rem,1.2vw,1.25rem);max-width:820px;margin:0 auto 26px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:10px}

/* ---------- CARDS ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px}
.card{background:linear-gradient(180deg, var(--glass), rgba(255,255,255,.03));border:1px solid var(--line);border-radius:var(--radius-xl);padding:22px;min-height:155px;position:relative;overflow:hidden;transition:transform var(--speed), border-color var(--speed)}
.card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18)}
.card::after{content:"";position:absolute;inset:-2px;z-index:-1;border-radius:inherit;background:radial-gradient(120px 120px at var(--mx,80%) var(--my,20%), rgba(124,181,255,.22), transparent 60%)}
.ic{width:28px;height:28px;display:inline-block;margin-bottom:10px}
.card h3{margin:4px 0 6px;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.96rem}

/* ---------- Sections / Tiles ---------- */
.section{padding:90px 0}
.section h2{font-size:clamp(1.6rem,3.2vw,2.2rem);text-align:center;margin:0 0 12px}
.section p.lead{margin:0 auto 26px;text-align:center;color:var(--muted);max-width:840px}

.showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{border-radius:var(--radius-xl);border:1px solid var(--line);background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));overflow:hidden;position:relative;min-height:220px;transition:transform var(--speed), border-color var(--speed)}
.tile:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16)}
.tile .hdr{padding:18px 20px 8px;font-weight:600;background:linear-gradient(180deg, rgba(124,181,255,.08), transparent 60%)}
.tile .body{padding:0 20px 22px;color:var(--muted)}
.chip{display:inline-block;font-size:.78rem;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-right:8px;margin-top:8px}

/* ---------- Case Studies ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));transition:transform var(--speed), border-color var(--speed)}
.case:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16)}
.case .top{padding:18px 20px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:linear-gradient(180deg, rgba(167,139,250,.10), transparent 65%)}
.case .title{font-weight:700}
.case .body{padding:0 20px 18px;color:var(--muted)}
.meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.pill{font-size:.78rem;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}
.case .cta{display:flex;gap:10px;margin-top:14px}

/* ---------- CTA ---------- */
.cta{border-radius:var(--radius-xl);border:1px solid var(--line);background:radial-gradient(150% 150% at 100% 0, rgba(167,139,250,.15), transparent 50%), radial-gradient(150% 150% at 0 100%, rgba(125,211,252,.12), transparent 50%), linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));padding:26px;text-align:center}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);color:var(--muted);margin-top:80px}
.foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:26px 0;flex-wrap:wrap}
.foot a{color:var(--brand-1)}

/* ---------- Responsive ---------- */
.hamb{display:none}
@media (max-width:1024px){
  .features{grid-template-columns:1fr 1fr}
  .showcase{grid-template-columns:1fr 1fr}
  .cases{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-links{display:none}
  .hamb{display:inline-flex}
  .features{grid-template-columns:1fr}
  .showcase{grid-template-columns:1fr}
  .cases{grid-template-columns:1fr}
}

/* ---------- Mobile Menu ---------- */
.mobile-menu{position:fixed;inset:70px 14px auto;border-radius:18px;padding:10px;border:1px solid var(--line);background:rgba(15,21,32,.95);backdrop-filter:blur(12px);display:none;z-index:40}
.mobile-menu a{display:block;padding:14px 12px;color:var(--muted)}
.mobile-menu a:hover{color:var(--text)}
.mobile-menu.show{display:block}

/* ---------- Misc ---------- */
.card:hover,.tile:hover,.case:hover{cursor:default}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
