/* ============================================================
   EM Labs Corp — shared product-page template
   Each page sets --accent / --accent-d / --accent-soft on <body>.
   ============================================================ */
:root{
  --blue-600:#2563EB; --blue-500:#3B82F6; --blue-50:#EFF6FF;
  --navy-900:#0B1220; --ink:#0d1526; --slate-700:#334155; --slate:#4b5a72; --muted:#697587;
  --bg:#fff; --bg-soft:#f5f8fd; --line:#e5ebf4;
  --accent:#2563EB; --accent-d:#1D4ED8; --accent-soft:#EFF6FF;
  --r-md:16px; --r-lg:22px; --maxw:1140px; --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 1px 3px rgba(15,23,42,.06); --shadow-md:0 14px 36px -16px rgba(13,21,38,.22);
  --shadow-lg:0 30px 60px -22px rgba(13,21,38,.3);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:"Space Grotesk","Inter",sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.sec{padding:clamp(64px,8vw,108px) 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent-d)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.lead{font-size:clamp(16px,1.3vw,18px);color:var(--slate);max-width:60ch}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:"Space Grotesk",sans-serif;font-weight:600;
  font-size:15px;padding:13px 24px;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s,border-color .25s;white-space:nowrap}
.btn svg{width:16px;height:16px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;box-shadow:0 16px 44px -16px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 26px 60px -16px color-mix(in srgb,var(--accent) 75%,transparent)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-sm{padding:10px 18px;font-size:14px}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;transition:box-shadow .4s,border-color .4s}
header.nav.scrolled{border-bottom:1px solid var(--line);box-shadow:0 6px 24px -18px rgba(13,21,38,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0}
.brand img{height:38px;width:auto}
.brand .chip{font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:600;color:var(--accent-d);
  background:var(--accent-soft);padding:5px 11px;border-radius:999px;border-left:0}
.nav-cta{display:flex;align-items:center;gap:10px}
.back{font-size:14px;font-weight:500;color:var(--slate-700);display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;transition:.2s}
.back svg{width:18px;height:18px;flex-shrink:0}
.back:hover{color:var(--accent-d);background:var(--accent-soft)}
@media(max-width:680px){.back span{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;padding:124px 0 84px;
  background:linear-gradient(180deg,var(--accent-soft),#fff 78%)}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:color-mix(in srgb,var(--accent) 26%,transparent);filter:blur(120px);top:-220px;right:-120px;opacity:.5}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero .badge{margin-bottom:18px}
.hero h1{font-size:clamp(40px,6vw,66px);margin:14px 0 0;letter-spacing:-.03em}
.hero .tagline{font-size:clamp(18px,1.7vw,22px);color:var(--accent-d);font-weight:600;font-family:"Space Grotesk",sans-serif;margin-top:14px}
.hero .sub{font-size:clamp(16px,1.4vw,18px);color:var(--slate);margin-top:18px;max-width:52ch}
.hero .cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero .meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:14px;color:var(--muted)}
.hero .meta b{color:var(--ink);font-family:"Space Grotesk",sans-serif}
.hero-vis{display:flex;align-items:center;justify-content:center;position:relative}
.hero-vis .panel{width:100%;border-radius:26px;background:linear-gradient(150deg,var(--accent),var(--accent-d));
  padding:44px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;min-height:300px}
.hero-vis .panel::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.14);top:-120px;left:-80px}
.hero-vis .panel img{position:relative;z-index:2}
.hero-vis .app-icon{width:170px;height:170px;border-radius:38px;box-shadow:0 30px 60px -18px rgba(0,0,0,.45)}
.hero-vis .phone{position:relative;z-index:2;width:min(248px,72vw);border-radius:36px;border:9px solid #0d0d0f;background:#000;overflow:hidden;box-shadow:0 30px 70px -20px rgba(0,0,0,.5)}

/* status badges */
.badge{display:inline-flex;align-items:center;gap:6px;font-family:"Space Grotesk",sans-serif;font-size:11.5px;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.live{color:#047857;background:#d1fae5}.badge.beta{color:#1d4ed8;background:#dbeafe}
.badge.dev{color:#b45309;background:#fef3c7}.badge.soon{color:#6d28d9;background:#ede9fe}

/* section heads */
.shead{max-width:680px;margin-bottom:48px}
.shead.center{margin-left:auto;margin-right:auto;text-align:center}
.shead h2{font-size:clamp(28px,4vw,44px);margin-top:16px}
.shead p{margin-top:16px}

/* feature cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.fcard .ico{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-d);border:1px solid color-mix(in srgb,var(--accent) 18%,#fff);margin-bottom:16px}
.fcard .ico svg{width:25px;height:25px}
.fcard h4{font-size:19px}.fcard p{font-size:14.5px;color:var(--slate);margin-top:8px}

/* soft section */
.soft{background:var(--bg-soft)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-sm)}
.step .n{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk",sans-serif;
  font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-d));margin-bottom:16px}
.step h4{font-size:18px}.step p{font-size:14.5px;color:var(--slate);margin-top:7px}

/* stat highlight */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-md)}
.stats .s{text-align:center}
.stats .s .v{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:clamp(28px,3.4vw,40px);
  background:linear-gradient(135deg,var(--accent),var(--accent-d));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stats .s .k{font-size:13.5px;color:var(--muted);margin-top:8px}

/* checklist */
.checks{display:grid;gap:13px;margin-top:8px}
.checks li{display:flex;gap:11px;font-size:15.5px;color:var(--slate-700);list-style:none}
.checks li svg{width:20px;height:20px;flex-shrink:0;margin-top:2px;color:var(--accent)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}

/* final cta */
.final{position:relative;overflow:hidden;background:linear-gradient(140deg,var(--accent),var(--accent-d));color:#fff;text-align:center}
.final::before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:rgba(255,255,255,.12);top:-200px;left:-120px}
.final .inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.final h2{color:#fff;font-size:clamp(28px,4vw,46px)}
.final p{color:rgba(255,255,255,.9);margin-top:16px;font-size:17px}
.final .cta{display:flex;flex-wrap:wrap;gap:13px;justify-content:center;margin-top:30px}
.final .note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.8)}
.final .note a{color:#fff;text-decoration:underline}

/* footer */
footer.f{background:var(--navy-900);color:#9fb0cc;padding:50px 0 28px}
.f-in{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.f-chip{display:inline-flex;background:#fff;border-radius:11px;padding:9px 14px}
.f-chip img{height:26px;width:auto}
.f-in .r{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;align-items:center}
.f-in a:hover{color:#93C5FD}
.f-copy{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7c8bab}

/* motion upgrades — button shine, floating devices, icon micro-interactions */
.btn{position:relative;overflow:hidden}
.btn::before{content:"";position:absolute;top:-2px;bottom:-2px;left:0;width:55%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);transform:translateX(-160%) skewX(-20deg);transition:transform .65s var(--ease);pointer-events:none}
.btn:hover::before{transform:translateX(260%) skewX(-20deg)}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-vis .phone,.hero-vis .app-icon{animation:floaty 8s ease-in-out infinite}
.fcard .ico{transition:transform .4s var(--ease)}
.fcard:hover .ico{transform:scale(1.08) rotate(-3deg)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}.d4{transition-delay:.28s}.d5{transition-delay:.35s}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy-900);color:#fff;padding:12px 18px;z-index:200;border-radius:0 0 10px 0;font-weight:600}
.skip:focus{left:0}

@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:40px}.g3{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.split{grid-template-columns:1fr;gap:32px}}
@media(max-width:600px){.g2,.g3{grid-template-columns:1fr}body{font-size:16px}}
@media(max-width:480px){
  /* keep nav inside the viewport on small phones: drop the product chip, tighten spacing */
  .brand .chip{display:none}
  .brand img{height:32px}
  .nav-inner{gap:10px}
  .back{padding:8px 6px}
  .nav-cta .btn-sm{padding:10px 15px;font-size:13.5px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none;transition:none}.btn::before{display:none}}
