/* BUHPROG — main styles */
@property --ang{syntax:'<angle>';inherits:false;initial-value:0deg}
:root{
  --bg:#F4F4EF;--bg-2:#ECECE5;--card:#FFFFFF;--card-2:#F8F8F4;--field:#FFFFFF;
  --ink:#1A1A1D;--ink-2:rgba(26,26,29,.78);--muted:rgba(26,26,29,.6);
  --line:rgba(26,26,29,.1);--line-strong:rgba(26,26,29,.22);
  --accent:#1A1A1D;--accent-ink:#F4F4EF;--soft:#E9E9E2;
  --pulse:#2F7A5A;--pulse-soft:rgba(47,122,90,.12);--violet:#7360F2;--amber:#B9771B;
  --shadow:0 10px 30px rgba(26,26,29,.06);--header:rgba(244,244,239,.82);
  --ridge-sun:#E3E3DA;--ridge-1:#DCDCD2;--ridge-2:#E6E6DD;--ridge-3:#F4F4EF;
  --cream:#1A1A1D;--cream-ink:#F4F4EF;--cream-sub:rgba(244,244,239,.62);
  --radius:20px;--radius-sm:14px;--pill:100px;
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:light;
}
html.dark{
  --bg:#0E1116;--bg-2:#10141A;--card:#161B22;--card-2:#12161C;--field:#1E242C;
  --ink:#F4F4EF;--ink-2:rgba(244,244,239,.78);--muted:rgba(244,244,239,.6);
  --line:rgba(244,244,239,.08);--line-strong:rgba(244,244,239,.18);
  --accent:#F4F4EF;--accent-ink:#1A1A1D;--soft:#1E242C;
  --pulse:#7FE0B5;--pulse-soft:rgba(127,224,181,.12);--violet:#8B7CF6;--amber:#F2C38B;
  --shadow:0 16px 42px rgba(0,0,0,.35);--header:rgba(14,17,22,.78);
  --ridge-sun:#1A222C;--ridge-1:#1C242E;--ridge-2:#161D25;--ridge-3:#0E1116;
  --cream:#F4F4EF;--cream-ink:#1A1A1D;--cream-sub:rgba(26,26,29,.6);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .4s,color .4s}
a{color:inherit}
img,svg{display:block}
.wrap{width:min(1200px,100% - 48px);margin:0 auto}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace}
::selection{background:var(--pulse);color:var(--accent-ink)}

/* ---------- header ---------- */
.head{position:fixed;inset:0 0 auto;z-index:50;animation:head-in .9s var(--ease) both .2s}
.head-in{display:flex;align-items:center;gap:28px;padding:18px 0;transition:padding .3s}
.head.scrolled{background:var(--header);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.head.scrolled .head-in{padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.03em}
.logo-mark{width:34px;height:34px;border-radius:10px;border:1px solid var(--line-strong);display:grid;place-items:center;background:var(--card-2)}
.logo-mark path{stroke:var(--pulse)}
.logo b{color:var(--pulse);font-weight:800}
.nav{display:flex;gap:4px;margin-left:auto;margin-right:-18px}
.nav a{text-decoration:none;font-size:14px;font-weight:600;color:var(--ink-2);padding:9px 14px;border-radius:var(--pill);transition:background .2s,color .2s}
.nav a:hover{background:var(--soft);color:var(--ink)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:background .2s,transform .3s var(--ease)}
.icon-btn:hover{background:var(--soft)}
.icon-btn svg{width:18px;height:18px}
.theme-btn .sun{display:none}html.light .theme-btn .sun{display:block}html.light .theme-btn .moon{display:none}
.burger{display:none}
.mnav{position:fixed;inset:0;z-index:60;background:var(--bg);display:flex;flex-direction:column;padding:96px 24px 32px;gap:6px;opacity:0;pointer-events:none;transition:opacity .35s}
.mnav.open{opacity:1;pointer-events:auto}
.mnav a{font-size:30px;font-weight:700;letter-spacing:-.03em;text-decoration:none;padding:8px 0;border-bottom:1px solid var(--line);transform:translateY(16px);opacity:0;transition:transform .5s var(--ease),opacity .5s}
.mnav.open a{transform:none;opacity:1}
.mnav .x{position:absolute;top:18px;right:24px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 26px;border-radius:var(--pill);font-weight:600;font-size:15px;line-height:1.2;text-decoration:none;border:1px solid transparent;background:transparent;color:var(--ink);cursor:pointer;font-family:inherit;transition:translate .25s var(--ease),box-shadow .35s var(--ease),background .2s;position:relative;overflow:hidden}
.btn:hover{translate:0 -2px}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{box-shadow:0 14px 40px -12px color-mix(in srgb,var(--pulse) 70%,transparent)}
.btn.primary::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,color-mix(in srgb,var(--pulse) 45%,transparent) 50%,transparent 70%);translate:-130%;animation:shine 4.5s ease-in-out infinite}
.btn.ghost{border-color:color-mix(in srgb,var(--ink) 35%,transparent)}
.btn.ghost:hover{background:var(--soft)}
.btn.sm{padding:12px 20px;font-size:14px}
.btn svg{width:17px;height:17px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:780px;overflow:hidden;background:var(--bg-2)}
.aurora{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
.aurora i{position:absolute;width:70vmax;height:70vmax;border-radius:50%;will-change:transform}
.aurora .a1{left:-20vmax;top:-30vmax;background:radial-gradient(circle,color-mix(in srgb,var(--pulse) 26%,transparent),transparent 62%);animation:drift1 16s ease-in-out infinite alternate}
.aurora .a2{right:-25vmax;top:-10vmax;background:radial-gradient(circle,color-mix(in srgb,var(--violet) 22%,transparent),transparent 62%);animation:drift2 19s ease-in-out infinite alternate}
.aurora .a3{left:25%;bottom:-45vmax;background:radial-gradient(circle,color-mix(in srgb,var(--pulse) 16%,transparent),transparent 60%);animation:drift3 23s ease-in-out infinite alternate}
html.light .aurora{opacity:.75}
.hero-art{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-art .sun{fill:var(--ridge-sun);transform:translate(calc(var(--mx,0) * -30px),calc(var(--hp,0) * 180px))}
.hero-art .r1{fill:var(--ridge-1);transform:translate(calc(var(--mx,0) * -12px),calc(var(--hp,0) * 230px))}
.hero-art .r2{fill:var(--ridge-2);transform:translate(calc(var(--mx,0) * -24px),calc(var(--hp,0) * 140px))}
.hero-art .r3{fill:var(--ridge-3);transform:translate(calc(var(--mx,0) * -40px),calc(var(--hp,0) * 50px))}
.hero-art .trace{fill:none;stroke:var(--pulse);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:100;animation:ecg 6s var(--ease) infinite 1.2s;transform:translateY(calc(var(--hp,0) * 90px));filter:drop-shadow(0 0 6px color-mix(in srgb,var(--pulse) 60%,transparent))}
.hero-art .trace-base{fill:none;stroke:var(--line-strong);stroke-width:1.2;transform:translateY(calc(var(--hp,0) * 90px))}
.hero-grid{position:relative;z-index:2;padding-top:140px;padding-bottom:80px;display:flex;flex-wrap:wrap;align-items:center;gap:56px}
.hero-text{flex:1 1 520px;min-width:0;transform:translate3d(calc(var(--mx,0) * 8px),calc(var(--hp,0) * -160px),0);opacity:calc(1 - var(--hp,0) * 1.5)}
.pill{display:inline-flex;align-items:center;gap:9px;padding:8px 15px;border-radius:var(--pill);border:1px solid var(--line-strong);background:color-mix(in srgb,var(--card) 60%,transparent);backdrop-filter:blur(8px);font-size:13px;font-weight:600;color:var(--ink-2);animation:up .9s var(--ease) both .3s}
.dot{width:8px;height:8px;border-radius:50%;background:var(--pulse);position:relative;flex:none}
.dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--pulse);animation:ping 1.8s ease-out infinite}
h1{font-size:clamp(42px,6.4vw,82px);line-height:.98;letter-spacing:-.045em;font-weight:700;margin:26px 0 24px}
h1 .grad{background:linear-gradient(100deg,var(--ink) 0%,var(--ink) 40%,var(--pulse) 50%,var(--ink) 60%,var(--ink) 100%);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 7s ease-in-out infinite 2.4s}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);max-width:560px;margin:0 0 34px;animation:up 1s var(--ease) both .9s}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;animation:up 1s var(--ease) both 1.05s}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:38px;color:var(--muted);font-size:13.5px;font-weight:600;animation:up 1s var(--ease) both 1.2s}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta svg{width:16px;height:16px;color:var(--pulse)}

/* hub */
.hub-col{flex:1 1 440px;display:flex;justify-content:center;animation:phone-in 1.4s var(--ease) both .6s}
.hub{position:relative;width:min(520px,100%);aspect-ratio:1}
.hub svg.lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.hub .ln{stroke:var(--line-strong);stroke-width:1.2;stroke-dasharray:4 6;fill:none;animation:dash 14s linear infinite}
.hub .pk{fill:var(--pulse);filter:drop-shadow(0 0 5px var(--pulse))}
.hub .pk.v{fill:var(--violet);filter:drop-shadow(0 0 5px var(--violet))}
.orbit{position:absolute;left:50%;top:50%;width:62%;height:62%;translate:-50% -50%;border-radius:50%;pointer-events:none;background:conic-gradient(from var(--ang),transparent 0 60%,color-mix(in srgb,var(--pulse) 55%,transparent) 75%,color-mix(in srgb,var(--violet) 45%,transparent) 85%,transparent 100%);-webkit-mask:radial-gradient(closest-side,transparent 96%,#000 97%);mask:radial-gradient(closest-side,transparent 96%,#000 97%);animation:ang 7s linear infinite}
.orbit.o2{width:100%;height:100%;opacity:.45;animation-duration:12s;animation-direction:reverse}
.core{position:absolute;left:50%;top:50%;translate:-50% -50%;width:31%;aspect-ratio:1;border-radius:32px;background:var(--card);border:1px solid var(--line-strong);box-shadow:var(--shadow),0 0 80px -10px color-mix(in srgb,var(--pulse) 45%,transparent);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;z-index:3}
.core::before{content:"";position:absolute;inset:-14px;border-radius:40px;border:1px solid color-mix(in srgb,var(--pulse) 40%,transparent);animation:ring 2.8s ease-out infinite}
.core b{text-align:center;line-height:1;font-size:clamp(18px,2.4vw,26px);letter-spacing:-.04em;font-weight:800}
.core small{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--pulse)}
.node{position:absolute;translate:-50% -50%;z-index:3;display:flex;align-items:center;gap:9px;padding:10px 14px 10px 10px;border-radius:16px;background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(10px);font-size:13px;font-weight:700;white-space:nowrap;animation:pop .8s var(--ease) both,bob 6s ease-in-out infinite}
.node i{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;color:#fff;flex:none}
.node em{display:block;font-style:normal;font-size:11px;font-weight:600;color:var(--muted);margin-top:1px}
.chip{position:absolute;z-index:4;padding:8px 12px;border-radius:12px;background:var(--card);border:1px solid var(--line-strong);box-shadow:var(--shadow);font-size:12px;font-weight:600;display:flex;gap:7px;align-items:center;animation:pop .8s var(--ease) both,bob 7s ease-in-out infinite}
.chip .ok{color:var(--pulse);font-weight:800}

/* ---------- marquee ---------- */
.mq{position:relative;z-index:3;border-block:1px solid var(--line);background:var(--bg);overflow:hidden;padding:20px 0;-webkit-mask:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.mq-track{display:flex;gap:14px;width:max-content;animation:mq 42s linear infinite}
.mq:hover .mq-track{animation-play-state:paused}
.mq span{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--pill);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.mq span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pulse)}
.mq span:nth-child(3n)::before{background:var(--violet)}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding:88px 0}
.sec.alt{background:var(--bg-2)}
.eyebrow{font-size:13px;letter-spacing:.08em;font-weight:700;text-transform:uppercase;color:var(--pulse);display:flex;align-items:center;gap:12px;margin-bottom:22px}
.eyebrow::after{content:"";width:48px;height:1px;background:currentColor;opacity:.5}
h2{font-size:clamp(32px,4.4vw,56px);line-height:1;letter-spacing:-.045em;font-weight:700;margin:0 0 18px}
h2 .m{color:var(--muted)}
.sub{font-size:17px;color:var(--ink-2);max-width:620px;margin:0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.split{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.split>*{flex:1 1 420px;min-width:0}

/* split words */
.ep-split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.ep-split .w>span{display:inline-block}
.js .ep-split .w>span{transform:translateY(115%) rotate(5deg);opacity:0;transition:transform 1s var(--ease) calc(.08s + var(--i,0) * 65ms),opacity .7s ease calc(.08s + var(--i,0) * 65ms)}
.js .ep-split.in .w>span{transform:none;opacity:1}
.js .reveal{opacity:0;translate:0 56px;filter:blur(10px);transition:opacity 1s var(--ease),translate 1.2s var(--ease),filter 1s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;translate:none;filter:none}

/* services */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;border-radius:22px;background:var(--card);border:1px solid var(--line);padding:22px 24px;display:flex;flex-direction:column;overflow:hidden;transition:translate .5s var(--ease),border-color .3s,box-shadow .5s var(--ease)}
.card:hover{translate:0 -6px;border-color:var(--line-strong);box-shadow:var(--shadow)}
.card::after{content:"";position:absolute;width:320px;height:320px;left:var(--x,50%);top:var(--y,50%);translate:-50% -50%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--pulse) 16%,transparent),transparent 65%);opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover::after{opacity:1}
.card .num{font-size:13px;font-weight:700;color:var(--muted);font-family:'JetBrains Mono',monospace}
.card .top{display:flex;align-items:center;justify-content:space-between}.card .ic{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--pulse-soft);color:var(--pulse)}
.card .ic svg{width:21px;height:21px}
.card h3{margin:18px 0 0;font-size:19px;font-weight:700;letter-spacing:-.02em;line-height:1.2}
.card p{margin:6px 0 0;font-size:14px;line-height:1.6;color:var(--ink-2)}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.card .tags span{font-size:12px;font-weight:600;padding:5px 10px;border-radius:var(--pill);background:var(--soft);color:var(--ink-2)}
.card.dark{background:var(--cream);color:var(--cream-ink);border-color:transparent}
.card.dark p{color:var(--cream-sub)}
.card.dark .num{color:var(--cream-sub)}
.card.dark .tags span{background:color-mix(in srgb,var(--cream-ink) 8%,transparent);color:var(--cream-ink)}
.card.dark .ic{background:color-mix(in srgb,var(--cream-ink) 8%,transparent);color:var(--cream-ink)}

/* glow border */
.glow{position:relative}
.glow::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;pointer-events:none;background:conic-gradient(from var(--ang),transparent 0 62%,var(--pulse) 78%,var(--violet) 90%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);animation:ang 5s linear infinite;z-index:2}

/* sync terminal */
.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:11px}
.checks li{display:flex;gap:14px;align-items:flex-start;font-size:16px;color:var(--ink-2)}
.checks li b{color:var(--ink);font-weight:700}
.checks .ck{flex:none;width:26px;height:26px;border-radius:50%;background:var(--pulse-soft);color:var(--pulse);display:grid;place-items:center;margin-top:1px}
.checks .ck svg{width:14px;height:14px}
.term{border-radius:24px;background:#0B0E12;border:1px solid rgba(244,244,239,.1);box-shadow:0 30px 80px -20px rgba(0,0,0,.5);overflow:hidden;color:#E8E8E2}
html.light .term{background:#15191F}
.term-top{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid rgba(244,244,239,.08)}
.term-top i{width:11px;height:11px;border-radius:50%;background:#3A4049}
.term-top i:nth-child(1){background:#FF7A6E}.term-top i:nth-child(2){background:#F2C38B}.term-top i:nth-child(3){background:#7FE0B5}
.term-top span{margin-left:10px;font-size:12.5px;color:rgba(244,244,239,.55);font-weight:600}
.term-top .live{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:11.5px;color:#7FE0B5;font-weight:700;letter-spacing:.06em}
.term-top .live .dot{background:#7FE0B5}.term-top .live .dot::after{background:#7FE0B5}
.term-body{padding:16px 22px 18px;font-size:13px;line-height:1.85;min-height:280px}
.term-body .l{opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s var(--ease);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-body .l.on{opacity:1;transform:none}
.t-mut{color:rgba(244,244,239,.4)}.t-ok{color:#7FE0B5}.t-v{color:#B4A9FF}.t-a{color:#F2C38B}
.cursor{display:inline-block;width:8px;height:15px;background:#7FE0B5;vertical-align:-2px;animation:blink 1s steps(1) infinite}
.term-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(244,244,239,.08)}
.term-foot div{padding:16px 20px;border-right:1px solid rgba(244,244,239,.08)}
.term-foot div:last-child{border:0}
.term-foot b{display:block;font-size:22px;letter-spacing:-.03em;color:#fff}
.term-foot small{font-size:11.5px;color:rgba(244,244,239,.5);font-weight:600}

/* analytics */
.dash{border-radius:28px;background:var(--card);border:1px solid var(--line);padding:26px;box-shadow:var(--shadow)}
.dash-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}
.dash-top b{font-size:16px;letter-spacing:-.01em}
.seg{display:flex;padding:4px;border-radius:var(--pill);background:var(--soft);gap:2px}
.seg button{border:0;background:transparent;font:inherit;font-size:12.5px;font-weight:700;color:var(--muted);padding:7px 13px;border-radius:var(--pill);cursor:pointer;transition:background .2s,color .2s}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}
.kpi{padding:16px;border-radius:16px;background:var(--card-2);border:1px solid var(--line)}
.kpi small{display:block;font-size:12px;font-weight:600;color:var(--muted)}
.kpi b{display:block;font-size:clamp(16px,1.6vw,21px);white-space:nowrap;letter-spacing:-.035em;margin-top:6px;font-weight:800}
.kpi em{font-style:normal;font-size:12px;font-weight:700;color:var(--pulse)}
.kpi em.dn{color:#FF8A7E}
.chart{position:relative;height:190px;border-radius:16px;background:var(--card-2);border:1px solid var(--line);padding:18px 18px 34px;display:flex;align-items:flex-end;gap:2.2%}
.chart .bar{flex:1;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--pulse),color-mix(in srgb,var(--pulse) 30%,transparent));height:0;transition:height 1.1s var(--ease);transition-delay:calc(var(--i) * 60ms);position:relative}
.chart .bar.p{background:linear-gradient(180deg,var(--violet),color-mix(in srgb,var(--violet) 25%,transparent))}
.chart .bar span{position:absolute;bottom:-24px;left:50%;translate:-50%;font-size:11px;font-weight:600;color:var(--muted)}
.chart svg{position:absolute;inset:18px 18px 34px;width:calc(100% - 36px);height:calc(100% - 52px);overflow:visible;pointer-events:none}
.chart svg path{fill:none;stroke:var(--ink);stroke-width:.9;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset 2s var(--ease) .6s;opacity:.7}
.dash.in .chart svg path{stroke-dashoffset:0}
.demo-note{font-size:12px;color:var(--muted);margin-top:12px;font-weight:600}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
.feat div{padding:15px 16px;border-radius:18px;border:1px solid var(--line);background:var(--card)}
.feat b{display:block;font-size:15.5px;margin-bottom:4px}
.feat span{font-size:14px;color:var(--ink-2)}

/* solutions strip */
.strip-wrap{margin-top:34px}
.strip-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.strip-head b{font-size:15px;letter-spacing:-.01em}
.strip-nav{display:flex;gap:8px}
.strip-nav button{width:36px;height:36px}
.strip{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px;-webkit-mask:linear-gradient(90deg,#000 88%,transparent);mask:linear-gradient(90deg,#000 88%,transparent)}
.strip::-webkit-scrollbar{display:none}
.sol{flex:0 0 260px;scroll-snap-align:start;display:flex;gap:12px;align-items:center;padding:14px 16px;border-radius:18px;background:var(--card);border:1px solid var(--line);text-decoration:none;transition:border-color .25s,translate .3s var(--ease)}
.sol:hover{border-color:var(--line-strong);translate:0 -3px}
.sol i{flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-style:normal;font-weight:800;font-size:12px;color:#fff}
.sol b{display:block;font-size:14px;line-height:1.25}
.sol small{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-top:2px}
.sol small.pr{color:var(--pulse)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:27px;height:1px;background:var(--line-strong)}
.steps .prog{position:absolute;left:0;top:26px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--pulse),var(--violet));width:0;transition:width 2.4s var(--ease) .3s;box-shadow:0 0 14px var(--pulse)}
.steps.in .prog{width:100%}
.step{position:relative}
.step .n{width:56px;height:56px;border-radius:50%;background:var(--bg);border:1px solid var(--line-strong);display:grid;place-items:center;font-weight:800;font-size:15px;position:relative;z-index:2;font-family:'JetBrains Mono',monospace;transition:background .4s,color .4s,border-color .4s;transition-delay:calc(var(--i) * .55s + .3s)}
.sec.alt .step .n{background:var(--bg-2)}
.steps.in .step .n{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.step h3{font-size:19px;letter-spacing:-.02em;margin:20px 0 6px}
.step p{font-size:14.5px;color:var(--ink-2);margin:0}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.why .card .stat{font-size:clamp(30px,3vw,40px);line-height:1;letter-spacing:-.045em;font-weight:800}
.why .card .stat span{color:var(--pulse)}
.why .card.dark .stat span{color:var(--pulse)}
html.light .why .card.dark .stat span{color:#7FE0B5}
.why h3{margin-top:14px}
/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:2px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 0;font-size:clamp(16px,1.8vw,19px);font-weight:700;letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;transition:transform .4s var(--ease),background .3s}
.faq summary i svg{width:16px;height:16px}
.faq details[open] summary i{transform:rotate(45deg);background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.faq details p{margin:0 0 22px;color:var(--ink-2);max-width:720px;font-size:16px}

/* contact */
.final{position:relative;overflow:hidden;padding:100px 0 90px}
.final-glow{position:absolute;left:50%;top:40%;width:1000px;height:1000px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,color-mix(in srgb,var(--pulse) 20%,transparent),transparent 60%);animation:breathe 7s ease-in-out infinite}
.final .wrap{position:relative;z-index:2}
.final h2{font-size:clamp(38px,5.6vw,72px);text-align:center;margin:0 auto 22px;max-width:980px}
.final .sub{text-align:center;margin:0 auto 40px}
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:18px;max-width:1080px;margin:0 auto}
.cbox{border-radius:28px;background:var(--card);border:1px solid var(--line);padding:30px}
.clist{display:grid;gap:10px}
.citem{display:flex;align-items:center;gap:16px;padding:16px;border-radius:18px;border:1px solid var(--line);text-decoration:none;transition:background .25s,translate .3s var(--ease),border-color .25s}
.citem:hover{background:var(--soft);translate:4px 0;border-color:var(--line-strong)}
.citem .ci{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex:none;color:#fff}
.citem .ci svg{width:21px;height:21px}
.citem small{display:block;font-size:12px;font-weight:600;color:var(--muted)}
.citem b{font-size:16px;letter-spacing:-.01em;word-break:break-all}
.citem .arr{margin-left:auto;color:var(--muted);flex:none}
.cbox h3{font-size:24px;letter-spacing:-.03em;margin:0 0 6px}
.cbox>p{color:var(--ink-2);margin:0 0 24px;font-size:15px}
form{display:grid;gap:12px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:grid;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2)}
input,textarea,select{font:inherit;font-size:15px;color:var(--ink);background:var(--field);border:1px solid var(--line-strong);border-radius:14px;padding:14px 16px;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--pulse);box-shadow:0 0 0 4px var(--pulse-soft)}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts input{display:none}
.opts label{display:inline-flex;font-size:13px;padding:9px 14px;border-radius:var(--pill);border:1px solid var(--line-strong);cursor:pointer;transition:all .2s;color:var(--ink-2)}
.opts input:checked+label{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.form-note{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.toast{position:fixed;left:50%;bottom:28px;translate:-50% 30px;opacity:0;z-index:80;padding:14px 20px;border-radius:16px;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:14px;transition:all .45s var(--ease);pointer-events:none}
.toast.on{translate:-50% 0;opacity:1}

/* footer */
footer{border-top:1px solid var(--line);padding:28px 90px 28px 0;font-size:13.5px;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:20px}
.foot a{text-decoration:none}.foot a:hover{color:var(--ink)}

/* floating */
.fab{position:fixed;right:22px;bottom:22px;z-index:40;width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;box-shadow:0 14px 40px -10px rgba(0,0,0,.5);text-decoration:none;transition:transform .3s var(--ease)}
.fab:hover{transform:scale(1.08)}
.fab svg{width:22px;height:22px}
.fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--pulse);animation:ring 2.4s ease-out infinite}
.progress{position:fixed;top:0;left:0;height:2px;z-index:70;background:linear-gradient(90deg,var(--pulse),var(--violet));width:calc(var(--sp,0) * 100%)}
.cue{position:absolute;left:50%;bottom:34px;z-index:3;translate:-50%;width:26px;height:42px;border-radius:14px;border:1.5px solid var(--line-strong)}
.cue::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--pulse);animation:cue 1.8s ease-in-out infinite}

/* keyframes */
@keyframes up{0%{opacity:0;transform:translateY(32px)}100%{opacity:1;transform:none}}
@keyframes head-in{0%{transform:translateY(-120%);opacity:0}100%{transform:none;opacity:1}}
@keyframes drift1{0%{transform:translate3d(-10%,-6%,0) scale(1)}100%{transform:translate3d(14%,10%,0) scale(1.25)}}
@keyframes drift2{0%{transform:translate3d(8%,12%,0) scale(1.15)}100%{transform:translate3d(-12%,-8%,0) scale(.9)}}
@keyframes drift3{0%{transform:scale(.9)}100%{transform:translate3d(-18%,14%,0) scale(1.2)}}
@keyframes ecg{0%{stroke-dashoffset:100;opacity:1}55%{stroke-dashoffset:0;opacity:1}85%{stroke-dashoffset:0;opacity:0}100%{stroke-dashoffset:100;opacity:0}}
@keyframes ping{0%{transform:scale(.5);opacity:.9}100%{transform:scale(3);opacity:0}}
@keyframes ring{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.35);opacity:0}}
@keyframes sheen{0%,55%{background-position:120% 0}85%,100%{background-position:-20% 0}}
@keyframes phone-in{0%{opacity:0;transform:translateY(120px) scale(.9)}100%{opacity:1;transform:none}}
@keyframes pop{0%{opacity:0;scale:.5}70%{scale:1.06}100%{opacity:1;scale:1}}
@keyframes bob{0%,100%{translate:-50% -50%}50%{translate:-50% calc(-50% - 10px)}}
@keyframes ang{100%{--ang:360deg}}
@keyframes mq{100%{transform:translate3d(-50%,0,0)}}
@keyframes shine{0%,70%{translate:-130%}100%{translate:130%}}
@keyframes dash{100%{stroke-dashoffset:-200}}
@keyframes blink{50%{opacity:0}}
@keyframes breathe{0%,100%{transform:translate(-50%,-50%) scale(.9);opacity:.7}50%{transform:translate(-50%,-50%) scale(1.12);opacity:1}}
@keyframes cue{0%{transform:translateY(0);opacity:0}30%{opacity:1}100%{transform:translateY(14px);opacity:0}}
.chip{animation-name:pop,chipbob}
@keyframes chipbob{0%,100%{translate:0 0}50%{translate:0 -10px}}

/* responsive */
@media (max-width:1080px){
  .nav{display:none}.burger{display:grid}
  .grid{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:1fr 1fr}
  .contact{grid-template-columns:1fr}
}
@media (max-width:767px){
  .wrap{width:min(1200px,100% - 32px)}
  .hero{min-height:0}
  .hero-grid{padding-top:120px;padding-bottom:70px;gap:30px}
  .hero-text{flex-basis:100%}
  .head-actions .btn{display:none}
  .sec{padding:64px 0}
  .grid,.kpis,.feat{grid-template-columns:1fr}
  .why{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .steps::before,.steps .prog{left:27px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .steps .prog{width:3px;height:0;left:26px;transition:height 2.4s var(--ease) .3s}
  .steps.in .prog{width:3px;height:100%}
  .step{padding-left:80px}.step .n{position:absolute;left:0;top:0}.step h3{margin-top:12px}
  .node{font-size:11.5px;padding:7px 10px 7px 7px;gap:7px;border-radius:12px}
  .node i{width:24px;height:24px;font-size:10px;border-radius:8px}
  .node em{display:none}
  .chip{display:none}
  .f2{grid-template-columns:1fr}
  .term-body{font-size:11.5px;min-height:290px}
  .cue{display:none}
  .final{padding:72px 0 64px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}