/* ============================================================
   aihoni — marketing site
   Brand: charcoal ink #1B1B1F · accent blue #3B76EF
   Type:  Funnel Sans (UI/body) · Noto Sans Devanagari (नेपाली)
   Layout language references whatsapp.com (full-width hero,
   alternating feature rows, download band, multi-col footer).
   ============================================================ */

/* Latin: Funnel Sans · Devanagari (नेपाली): Noto Sans Devanagari. */
@import url('https://fonts.googleapis.com/css2?family=Funnel+Sans:wght@400;500;600;700;800&family=Noto+Sans+Devanagari:wght@400;500;600;700;800&display=swap');

:root{
  color-scheme:light;
  --ink:#1B1B1F;
  --ink-2:#34343b;
  --accent:#3B76EF;
  --accent-700:#2c5fd0;
  --accent-soft:#E7EEFD;
  --muted:#8A8A8E;
  --line:#ECEAEA;
  --bg:#ffffff;
  --soft:#F6F6F6;
  --soft-2:#F0F3FB;
  --surface:#ffffff;       /* cards, nav, chips */
  --glass:rgba(255,255,255,.94);
  --glass-soft:rgba(255,255,255,.72);
  --nav-bg:rgba(255,255,255,.82);
  --invert:#1B1B1F;        /* always-dark slabs: badges, bands, footer, phone */
  --dot:rgba(27,27,31,.05);
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 18px 50px rgba(27,27,31,.10);
  --shadow-accent:0 18px 44px rgba(59,118,239,.30);
  --maxw:1140px;
}

/* ----- Dark theme (manual override) ----- */
:root[data-theme="dark"]{
  color-scheme:dark;
  --ink:#EAEAF0;
  --ink-2:#C3C4CD;
  --accent:#5B8DF0;
  --accent-700:#3B76EF;
  --accent-soft:#1B2740;
  --muted:#9092A0;
  --line:#2A2E38;
  --bg:#0F1115;
  --soft:#161922;
  --soft-2:#1A1E29;
  --surface:#181B22;
  --glass:rgba(24,27,34,.9);
  --glass-soft:rgba(24,27,34,.66);
  --nav-bg:rgba(15,17,21,.82);
  --invert:#05070A;
  --dot:rgba(255,255,255,.06);
  --shadow:0 18px 50px rgba(0,0,0,.5);
}
/* ----- Dark theme (OS default, no manual choice / no JS) ----- */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]){
    color-scheme:dark;
    --ink:#EAEAF0; --ink-2:#C3C4CD; --accent:#5B8DF0; --accent-700:#3B76EF;
    --accent-soft:#1B2740; --muted:#9092A0; --line:#2A2E38; --bg:#0F1115;
    --soft:#161922; --soft-2:#1A1E29; --surface:#181B22; --glass:rgba(24,27,34,.9);
    --glass-soft:rgba(24,27,34,.66); --nav-bg:rgba(15,17,21,.82); --invert:#05070A;
    --dot:rgba(255,255,255,.06); --shadow:0 18px 50px rgba(0,0,0,.5);
  }
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  /* Funnel Sans renders Latin; Devanagari glyphs fall through to Noto Sans Devanagari */
  font-family:'Funnel Sans','Noto Sans Devanagari',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--ink); background:transparent;
  -webkit-font-smoothing:antialiased; line-height:1.55;
}
/* full-page three.js connection network sits behind transparent content;
   opaque sections (strip, bands, footer, cards) naturally mask it */
.connect-bg{
  position:fixed;inset:0;width:100%;height:100%;z-index:-1;
  pointer-events:none;opacity:.32;
}
/* helper to force a Devanagari run into Noto Sans Devanagari with comfy line-height */
.np{font-family:'Noto Sans Devanagari',sans-serif;line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* subtle brand dot texture used on light sections */
.dotbg{
  background-image:radial-gradient(var(--dot) 1px, transparent 1px);
  background-size:22px 22px;
}

/* ---------- Header / nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:var(--nav-bg);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{
  font-weight:800;font-size:25px;
  letter-spacing:-.4px;color:var(--ink);line-height:1;
}
.brand .dot{color:var(--accent)}
.nav-links{display:flex;gap:28px;margin-left:14px}
.nav-links a{
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:6px 0;border-bottom:2px solid transparent;transition:color .15s;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a[aria-current="page"]{color:var(--accent);border-bottom-color:var(--accent)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:22px;color:var(--ink)}
/* light/dark theme toggle */
.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:16px;line-height:1;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .15s,border-color .15s,transform .12s;
}
.theme-toggle:hover{border-color:var(--accent)}
.theme-toggle:active{transform:scale(.94)}
.theme-toggle::before{content:"🌙"}
:root[data-theme="dark"] .theme-toggle::before{content:"☀️"}
:root[data-theme="dark"] .connect-bg{opacity:.5}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-toggle::before{content:"☀️"}
  :root:not([data-theme="light"]) .connect-bg{opacity:.5}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease, box-shadow .15s ease, background .15s;
}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}
.btn.primary:hover{background:var(--accent-700)}
.btn.dark{background:var(--invert);color:#fff}
.btn.dark:hover{background:#000}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.lg{padding:16px 30px;font-size:16px}
.btn.sm{padding:10px 18px;font-size:14px}

/* app-store style badges */
.badges{display:flex;gap:12px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:11px;
  background:var(--invert);color:#fff;border-radius:14px;
  padding:10px 18px;min-width:172px;transition:transform .12s, background .15s;
}
.badge:hover{transform:translateY(-2px);background:#000}
.badge svg{width:26px;height:26px;flex-shrink:0}
.badge .t{display:flex;flex-direction:column;line-height:1.15}
.badge .t small{font-size:10.5px;font-weight:500;opacity:.8;letter-spacing:.2px}
.badge .t b{font-size:16px;font-weight:700}

/* ---------- Generic section ---------- */
section{padding:120px 0}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;
  text-transform:uppercase;color:var(--accent);
  background:var(--accent-soft);padding:6px 13px;border-radius:999px;margin-bottom:18px;
}
h1,h2,h3{letter-spacing:-.02em;line-height:1.08}
h2.title{font-size:clamp(28px,4vw,42px);font-weight:800}
.lead{font-size:18px;color:var(--muted);max-width:620px;margin-top:16px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.devnag{font-weight:800}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:108px 0 132px}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(60% 50% at 82% 8%, rgba(59,118,239,.16), transparent 60%),
    radial-gradient(50% 45% at 5% 92%, rgba(59,118,239,.10), transparent 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
.hero h1 .accent{color:var(--accent)}
.hero .lead{font-size:19px;margin-top:22px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero .trust{display:flex;align-items:center;gap:10px;margin-top:26px;color:var(--muted);font-size:13.5px}
.avatars{display:flex}
.avatars img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2.5px solid #fff;margin-left:-10px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.avatars img:first-child{margin-left:0}

/* hero composition: portrait card + floating chat + phone */
.hero-art{position:relative;min-height:480px}
.portrait{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);background:var(--soft);aspect-ratio:4/3.4;
}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait::after{
  content:"";position:absolute;inset:auto 0 0 0;height:38%;
  background:linear-gradient(to top, rgba(27,27,31,.42), transparent);
}
.float-card{
  position:absolute;background:var(--surface);border-radius:16px;box-shadow:var(--shadow);
  padding:14px 16px;display:flex;align-items:center;gap:12px;
}
.float-card .ic{
  width:38px;height:38px;border-radius:11px;background:var(--accent);
  color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.float-card .ic svg{width:20px;height:20px}
.float-card b{font-size:13.5px;display:block}
.float-card span{font-size:12px;color:var(--muted)}
.float-tl{top:18px;left:-26px}
.float-br{bottom:24px;right:-22px}
/* voice waveform */
.wave{display:flex;align-items:center;gap:3px;height:22px}
.wave i{width:3px;border-radius:3px;background:var(--accent);animation:wv 1.1s ease-in-out infinite}
.wave i:nth-child(1){height:8px;animation-delay:0s}
.wave i:nth-child(2){height:18px;animation-delay:.1s}
.wave i:nth-child(3){height:12px;animation-delay:.2s}
.wave i:nth-child(4){height:22px;animation-delay:.3s}
.wave i:nth-child(5){height:9px;animation-delay:.4s}
.wave i:nth-child(6){height:16px;animation-delay:.5s}
.wave i:nth-child(7){height:7px;animation-delay:.6s}
@keyframes wv{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}
@media(prefers-reduced-motion:reduce){.wave i{animation:none}}

/* video-call mockup (personal hero) */
.callframe{position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3.4;box-shadow:var(--shadow);background:#1a1d2e}
.callframe>img{width:100%;height:100%;object-fit:cover}
.callframe .topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;padding:14px 16px;color:#fff;
  background:linear-gradient(to bottom,rgba(0,0,0,.45),transparent)}
.callframe .topbar b{font-size:15px}
.callframe .topbar .live{display:flex;align-items:center;gap:6px;font-size:12.5px;background:rgba(0,0,0,.35);
  padding:5px 10px;border-radius:999px}
.callframe .topbar .live i{width:7px;height:7px;border-radius:50%;background:#22c55e;display:inline-block}
.pip{position:absolute;right:14px;bottom:74px;width:88px;aspect-ratio:3/4;border-radius:14px;overflow:hidden;
  border:2.5px solid #fff;box-shadow:0 8px 22px rgba(0,0,0,.35)}
.pip img{width:100%;height:100%;object-fit:cover}
.call-controls{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:14px;
  padding:16px;background:linear-gradient(to top,rgba(0,0,0,.5),transparent)}
.call-controls .cbtn{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.18);
  backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center}
.call-controls .cbtn svg{width:21px;height:21px;stroke:#fff;fill:none}
.call-controls .cbtn.end{background:#ef4444}
/* small group-call tile strip */
.tiles{display:flex;gap:8px;margin-top:14px}
.tiles img{width:54px;height:54px;border-radius:13px;object-fit:cover;border:2px solid #fff;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.tiles .more{width:54px;height:54px;border-radius:13px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}

/* ---------- Trust / payments strip ---------- */
.strip{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.strip .wrap{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.strip .label{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.strip .chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
/* plain text pills (business payment providers) */
.pay{
  font-weight:700;font-size:15px;color:var(--ink-2);
  padding:10px 18px;background:var(--surface);border:1px solid var(--line);border-radius:999px;
}
/* feature chips with icon badges (home) */
.feat-chip{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:15px;color:var(--ink);
  padding:8px 18px 8px 9px;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;
  transition:transform .14s ease,border-color .15s,box-shadow .15s;
}
.feat-chip:hover{transform:translateY(-3px);border-color:transparent;box-shadow:var(--shadow)}
.feat-chip .ci{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  background:var(--accent-soft);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .15s,color .15s;
}
.feat-chip:hover .ci{background:var(--accent);color:#fff}
.feat-chip .ci svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Feature rows (alternating, whatsapp-style) ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.feature-row + .feature-row{margin-top:120px}
.feature-row.reverse .media{order:2}
.feature-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:5/4;box-shadow:var(--shadow);background:var(--soft);
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-row h3{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:14px}
.feature-row p{color:var(--muted);font-size:16.5px}
.ticklist{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:12px}
.ticklist li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;font-weight:500}
.ticklist .tick{
  width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:800;font-size:13px;margin-top:1px;
}
/* floating mini badge over feature media */
.media-tag{
  position:absolute;left:18px;bottom:18px;background:var(--glass);
  backdrop-filter:blur(4px);border-radius:13px;padding:10px 14px;
  display:flex;align-items:center;gap:10px;box-shadow:0 8px 22px rgba(0,0,0,.14);
}
.media-tag .dot{width:9px;height:9px;border-radius:50%;background:#22c55e}
.media-tag b{font-size:13px}
.media-tag span{font-size:12px;color:var(--muted)}

/* ---------- Cards grid ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:64px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .15s, box-shadow .15s, border-color .15s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{
  width:50px;height:50px;border-radius:14px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .ic svg{width:26px;height:26px}
.card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:64px}
.step{text-align:center;padding:0 8px}
.step .num{
  width:54px;height:54px;border-radius:50%;margin:0 auto 18px;
  background:var(--invert);color:#fff;font-weight:800;font-size:22px;
  display:flex;align-items:center;justify-content:center;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- Stats band ---------- */
.band{background:var(--invert);color:#fff}
.band.accent{background:linear-gradient(135deg,var(--accent),var(--accent-700))}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-weight:800;font-size:clamp(30px,4vw,46px);line-height:1}
.stat .l{opacity:.85;font-size:14px;margin-top:8px}

/* ---------- Testimonials ---------- */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:64px}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:16px;
}
.quote .stars{color:#f5a623;font-size:15px;letter-spacing:2px}
.quote p{font-size:15.5px;color:var(--ink-2)}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote .who img{width:46px;height:46px;border-radius:50%;object-fit:cover}
.quote .who b{font-size:14.5px;display:block}
.quote .who span{font-size:12.5px;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;text-align:center;color:#fff;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--accent),var(--accent-700));padding:92px 28px;margin:0 24px}
.cta h2{font-size:clamp(26px,3.6vw,40px);font-weight:800}
.cta p{font-size:17px;opacity:.92;margin:14px auto 28px;max-width:520px}
.cta .badges{justify-content:center}
.cta .badge{background:rgba(0,0,0,.22)}
.cta .badge:hover{background:rgba(0,0,0,.35)}

/* ---------- Phone mockup (download/hero) ---------- */
.phone{
  width:300px;max-width:80vw;aspect-ratio:300/610;margin:0 auto;position:relative;
  background:var(--invert);border-radius:42px;padding:12px;box-shadow:0 30px 70px rgba(27,27,31,.30);
}
/* the screen is an always-light "device" so it reads in either site theme */
.phone .screen{width:100%;height:100%;border-radius:32px;overflow:hidden;background:#fff;color:#1B1B1F;position:relative;display:flex;flex-direction:column}
.phone .notch{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:120px;height:26px;background:var(--invert);border-radius:0 0 16px 16px;z-index:3}
.scr-head{padding:34px 18px 12px;display:flex;align-items:center;gap:10px;border-bottom:1px solid #ECECEF}
.scr-head .ava{width:34px;height:34px;border-radius:50%;object-fit:cover}
.scr-head b{font-size:14px}
.scr-head span{font-size:11px;color:#22c55e}
.scr-body{flex:1;padding:16px 14px;display:flex;flex-direction:column;gap:10px;background:#EEF2FB}
.bub{max-width:78%;padding:10px 13px;border-radius:16px;font-size:12.5px;line-height:1.4}
.bub.in{background:#fff;border:1px solid #ECECEF;align-self:flex-start;border-bottom-left-radius:5px}
.bub.out{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:5px}
.scr-input{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid #ECECEF;background:#fff}
.scr-input .field{flex:1;background:#F2F3F5;border-radius:999px;padding:9px 14px;font-size:12px;color:#8A8A8E}
.scr-input .mic{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.scr-input .mic svg{width:17px;height:17px}
/* in-phone video-call screen (hero showcase) */
.phone .vcall{position:relative;flex:1;overflow:hidden;background:#1a1d2e}
.phone .vcall>img{width:100%;height:100%;object-fit:cover}
.phone .vc-top{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;align-items:center;
  justify-content:space-between;padding:30px 15px 12px;color:#fff;
  background:linear-gradient(to bottom,rgba(0,0,0,.5),transparent)}
.phone .vc-top b{font-size:15px}
.phone .vc-top .live{display:flex;align-items:center;gap:6px;font-size:12px;background:rgba(0,0,0,.4);padding:4px 9px;border-radius:999px}
.phone .vc-top .live i{width:7px;height:7px;border-radius:50%;background:#22c55e}
.phone .vc-pip{position:absolute;right:12px;bottom:92px;width:72px;aspect-ratio:3/4;border-radius:12px;
  overflow:hidden;border:2px solid #fff;box-shadow:0 6px 16px rgba(0,0,0,.4);z-index:2}
.phone .vc-pip img{width:100%;height:100%;object-fit:cover}
.phone .vc-controls{position:absolute;left:0;right:0;bottom:0;z-index:2;display:flex;justify-content:center;gap:12px;
  padding:16px;background:linear-gradient(to top,rgba(0,0,0,.55),transparent)}
.phone .vc-controls .b{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.2);
  backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center}
.phone .vc-controls .b svg{width:19px;height:19px;stroke:#fff;fill:none}
.phone .vc-controls .b.end{background:#ef4444}

/* ---------- Footer ---------- */
.footer{background:var(--invert);color:#cfcfd6;padding:64px 0 28px;margin-top:90px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer .brand{color:#fff}
.footer .blurb{font-size:14px;color:#9a9aa3;max-width:300px;margin:16px 0 18px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer ul a{font-size:14px;color:#b9b9c2;transition:color .15s}
.footer ul a:hover{color:#fff}
.footer .social{display:flex;gap:12px;margin-top:6px}
.footer .social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .15s}
.footer .social a:hover{background:var(--accent)}
.footer .social svg{width:17px;height:17px;fill:#fff}
.footer-bot{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#9a9aa3}
.footer-bot .lang{display:flex;gap:8px;align-items:center}

/* ---------- Scroll-reveal motion (tingting-style) ---------- */
/* only hide when JS is available, so content is never lost without it */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1)}
.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Pillars (abstract animated shapes) ---------- */
.pillars{position:relative}
.pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:64px;text-align:left}
.pillar{
  background:var(--glass-soft);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px 32px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.pillar h3{font-size:20px;font-weight:800;margin:22px 0 8px}
.pillar p{color:var(--muted);font-size:14.5px;line-height:1.55}
/* shared shape stage */
.pillar-art{position:relative;width:64px;height:64px}
.pillar-art span{position:absolute;inset:0;display:block}
@media(prefers-reduced-motion:reduce){.pillar-art span{animation:none!important}}

/* Reach — concentric pulsing rings */
.shape-reach span{border:2px solid var(--accent);border-radius:50%;opacity:0;animation:ring 2.6s ease-out infinite}
.shape-reach span:nth-child(2){animation-delay:.85s}
.shape-reach span:nth-child(3){animation-delay:1.7s}
@keyframes ring{0%{transform:scale(.25);opacity:.9}80%{opacity:0}100%{transform:scale(1);opacity:0}}

/* Talk — voice waveform bars */
.shape-talk{display:flex;align-items:center;gap:5px}
.shape-talk span{position:static;width:7px;border-radius:6px;background:var(--accent);animation:bar 1.1s ease-in-out infinite}
.shape-talk span:nth-child(1){height:20px;animation-delay:0s}
.shape-talk span:nth-child(2){height:46px;animation-delay:.15s}
.shape-talk span:nth-child(3){height:30px;animation-delay:.3s}
.shape-talk span:nth-child(4){height:54px;animation-delay:.45s}
@keyframes bar{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}

/* Gather — orbiting dots around a core */
.shape-gather span{border-radius:50%}
.shape-gather span:nth-child(1){inset:24px;background:var(--accent)}
.shape-gather span:nth-child(2){border:2px dashed var(--accent-soft);animation:spin 7s linear infinite}
.shape-gather span:nth-child(2)::before,.shape-gather span:nth-child(2)::after{
  content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--accent);
}
.shape-gather span:nth-child(2)::before{top:-6px;left:50%;margin-left:-6px}
.shape-gather span:nth-child(2)::after{bottom:-6px;left:50%;margin-left:-6px;background:var(--accent-700)}
@keyframes spin{to{transform:rotate(360deg)}}

/* Understand — morphing blob */
.shape-understand span{
  background:linear-gradient(135deg,var(--accent),var(--accent-700));
  border-radius:42% 58% 63% 37%/41% 44% 56% 59%;animation:blob 6s ease-in-out infinite;
}
@keyframes blob{
  0%,100%{border-radius:42% 58% 63% 37%/41% 44% 56% 59%;transform:rotate(0)}
  50%{border-radius:62% 38% 41% 59%/55% 62% 38% 45%;transform:rotate(12deg)}
}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.feature-row,.feature-row.reverse .media{grid-template-columns:1fr;order:0}
  .feature-row.reverse .media{order:0}
  .hero-art{min-height:0;margin-top:14px}
  .cards,.steps,.tgrid,.pillar-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    display:none;position:absolute;top:68px;left:0;right:0;background:var(--surface);
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);margin:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 24px;border-bottom:0}
  .nav-toggle{display:block;margin-left:auto;order:3}
  .nav-cta .btn{display:none}
  .nav-cta{margin-left:0}
  .float-tl{left:0}
  .float-br{right:0}
}
@media(max-width:560px){
  section{padding:80px 0}
  .hero{padding:72px 0 88px}
  .cards,.steps,.tgrid,.stats,.footer-grid,.pillar-grid{grid-template-columns:1fr}
  .cta{margin:0 16px}
  .footer-bot{flex-direction:column;align-items:flex-start}
}