/* latin-ext */
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(../fonts/figtree-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(../fonts/figtree-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

  :root {
    /* cool-biased neutrals + brand (LIGHT theme defaults) */
    --ink:        #eef3f8;
    --panel:      #ffffff;
    --panel-2:    #f4f8fb;
    --line:       #e2ebf2;
    --paper:      #ffffff;
    --text:       #16222f;
    --muted:      #5a6b7a;
    --faint:      #8798a6;
    --brand:      #0e8fd6;   /* refined from #0088cc */
    --brand-deep: #0a6ea6;
    --teal:       #17a99a;
    --coral:      #f0655b;
    --ring:       rgba(14,143,214,.35);
    --shadow:     0 24px 60px -28px rgba(13,22,34,.28);
    --shadow-sm:  0 8px 24px -16px rgba(13,22,34,.35);
    --radius:     24px;
    --maxw:       1160px;
    --font: 'Figtree', 'Segoe UI', ui-sans-serif, system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Menlo, monospace;
    --bg-grad: radial-gradient(1200px 620px at 78% -8%, rgba(14,143,214,.10), transparent 60%),
               radial-gradient(900px 520px at 10% 4%, rgba(23,169,154,.08), transparent 55%);
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --ink:     #060b12;
      --panel:   #101c29;
      --panel-2: #0c1622;
      --line:    #21303f;
      --paper:   #0b1420;
      --text:    #e8f0f6;
      --muted:   #9db0c0;
      --faint:   #6b8091;
      --brand:   #38a9ea;
      --brand-deep: #1b86c9;
      --teal:    #2bc3b2;
      --coral:   #ff7a70;
      --ring:    rgba(56,169,234,.4);
      --shadow:  0 30px 70px -30px rgba(0,0,0,.7);
      --shadow-sm: 0 10px 30px -18px rgba(0,0,0,.8);
      --bg-grad: radial-gradient(1200px 620px at 78% -8%, rgba(56,169,234,.14), transparent 60%),
                 radial-gradient(900px 520px at 10% 4%, rgba(43,195,178,.10), transparent 55%);
    }
  }
  :root[data-theme="light"] {
    --ink:#eef3f8; --panel:#ffffff; --panel-2:#f4f8fb; --line:#e2ebf2; --paper:#ffffff;
    --text:#16222f; --muted:#5a6b7a; --faint:#8798a6; --brand:#0e8fd6; --brand-deep:#0a6ea6;
    --teal:#17a99a; --coral:#f0655b; --ring:rgba(14,143,214,.35);
    --shadow:0 24px 60px -28px rgba(13,22,34,.28); --shadow-sm:0 8px 24px -16px rgba(13,22,34,.35);
    --bg-grad: radial-gradient(1200px 620px at 78% -8%, rgba(14,143,214,.10), transparent 60%),
               radial-gradient(900px 520px at 10% 4%, rgba(23,169,154,.08), transparent 55%);
  }
  :root[data-theme="dark"] {
    --ink:#060b12; --panel:#101c29; --panel-2:#0c1622; --line:#21303f; --paper:#0b1420;
    --text:#e8f0f6; --muted:#9db0c0; --faint:#6b8091; --brand:#38a9ea; --brand-deep:#1b86c9;
    --teal:#2bc3b2; --coral:#ff7a70; --ring:rgba(56,169,234,.4);
    --shadow:0 30px 70px -30px rgba(0,0,0,.7); --shadow-sm:0 10px 30px -18px rgba(0,0,0,.8);
    --bg-grad: radial-gradient(1200px 620px at 78% -8%, rgba(56,169,234,.14), transparent 60%),
               radial-gradient(900px 520px at 10% 4%, rgba(43,195,178,.10), transparent 55%);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0; font-family: var(--font); color: var(--text);
    background: var(--bg-grad), var(--ink);
    -webkit-font-smoothing: antialiased; line-height: 1.62;
    overflow-x: hidden;
  }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
  a { color: inherit; text-decoration: none; }
  h1,h2,h3 { text-wrap: balance; margin: 0; letter-spacing: -.02em; line-height: 1.05; }
  p { margin: 0; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: var(--mono); font-size: 12px; letter-spacing: .13em;
    text-transform: uppercase; font-weight: 700; color: var(--brand-deep);
    background: color-mix(in srgb, var(--brand) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--brand) 28%, transparent);
    padding: 8px 16px; border-radius: 999px; line-height: 1;
  }
  .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
  @media (prefers-color-scheme: dark) { .eyebrow { color: #8fd0f7; } }
  :root[data-theme="dark"] .eyebrow { color: #8fd0f7; }
  :root[data-theme="light"] .eyebrow { color: var(--brand-deep); }
  .cta-band .eyebrow { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.3); }

  /* ---------- NAV ---------- */
  header.nav {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: saturate(140%) blur(14px);
    background: color-mix(in srgb, var(--ink) 72%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
  }
  .nav-in { display: flex; align-items: center; gap: 26px; height: 68px; }
  .brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; color: var(--text); }
  .brand-mark { width: 42px; height: 36px; flex: none; }
  .brand-mark .silver { fill: #c3cbd8; }
  .brand-mark .navy { fill: #24345a; }
  @media (prefers-color-scheme: dark) { .brand-mark .navy { fill: #3a4f86; } }
  :root[data-theme="dark"] .brand-mark .navy { fill: #3a4f86; }
  :root[data-theme="light"] .brand-mark .navy { fill: #24345a; }
  .brand-word { display: flex; flex-direction: column; line-height: .9; letter-spacing: -.025em; }
  .brand-word b { font-weight: 800; font-size: 16px; }
  .brand-word .fac { color: var(--text); }
  .brand-word .msg { color: var(--teal); }
  .logo-mark {
    width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand), var(--teal));
    box-shadow: 0 6px 18px -8px var(--brand); flex: none;
  }
  .logo-mark svg { width: 19px; height: 19px; }
  .nav-links { display: flex; align-items: center; gap: 3px; margin-left: 16px; }
  .nav-link, .nav-trigger {
    display: inline-flex; align-items: center; gap: 6px; font-family: inherit;
    font-size: 14.5px; font-weight: 600; color: color-mix(in srgb, var(--text) 74%, var(--muted)); background: none; border: none;
    cursor: pointer; padding: 9px 13px; border-radius: 12px; transition: color .18s, background .18s;
  }
  .nav-link:hover, .nav-trigger:hover, .nav-item:hover .nav-trigger { color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); }
  .nav-trigger .chev { width: 14px; height: 14px; transition: transform .2s; }
  .nav-item { position: relative; }
  .nav-item:hover .chev { transform: rotate(180deg); }
  .nav-menu { position: absolute; top: 100%; left: 0; padding-top: 12px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .18s, transform .18s, visibility .18s; z-index: 70; }
  .nav-item:hover .nav-menu, .nav-item.open .nav-menu { opacity: 1; visibility: visible; transform: none; }
  .nav-menu-inner { min-width: 340px; background: var(--panel); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 10px; display: grid; gap: 2px; }
  .nav-menu a { display: grid; grid-template-columns: 40px 1fr; gap: 13px; align-items: center; padding: 11px 12px; border-radius: 14px; transition: background .16s; }
  .nav-menu a:hover { background: color-mix(in srgb, var(--brand) 10%, transparent); }
  .nm-ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, var(--brand), var(--teal)); color: #fff; box-shadow: 0 10px 20px -12px var(--brand); }
  .nm-ico svg { width: 20px; height: 20px; }
  .nav-menu b { display: block; font-size: 14px; font-weight: 700; color: var(--text); }
  .nav-menu i { display: block; font-style: normal; font-size: 12.5px; color: var(--muted); margin-top: 2px; line-height: 1.35; }
  .nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
  .nav-login { padding: 11px 18px; }
  .hamburger { display: none; width: 44px; height: 44px; border-radius: 13px; border: 1px solid var(--line); background: transparent; color: var(--text); cursor: pointer; align-items: center; justify-content: center; }
  .hamburger svg { width: 21px; height: 21px; }
  .theme-btn {
    width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
    background: transparent; color: var(--muted); cursor: pointer; font-size: 16px;
    display: grid; place-items: center; transition: .18s;
  }
  .theme-btn:hover { border-color: var(--brand); color: var(--brand); }
  .btn {
    display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
    font-weight: 700; font-size: 15px; padding: 13px 24px; border-radius: 14px;
    border: 1px solid transparent; transition: transform .16s, box-shadow .16s, background .16s;
    white-space: nowrap;
  }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--brand); color: #fff; box-shadow: 0 12px 28px -14px var(--brand); }
  .btn-primary:hover { background: var(--brand-deep); box-shadow: 0 16px 34px -14px var(--brand); }
  .btn-ghost { color: var(--text); border-color: var(--line); background: var(--panel); }
  .btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
  .btn-wa { background: #1fab53; color:#fff; box-shadow: 0 12px 28px -14px #1fab53; }
  .btn-wa:hover { background:#178f43; }
  .btn-lg { padding: 17px 32px; font-size: 16.5px; border-radius: 17px; }

  /* ---------- HERO ---------- */
  .hero { padding: 70px 0 40px; }
  .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
  .badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
  .pill {
    font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .04em;
    padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line);
    color: var(--muted); background: color-mix(in srgb, var(--panel) 55%, transparent);
    display: inline-flex; align-items: center; gap: 7px;
  }
  .pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
  .pill.blue .dot { background: var(--brand); }
  .hero h1 { font-size: clamp(40px, 5.9vw, 66px); font-weight: 800; color: var(--text); line-height: 1.08; }
  .hero h1 .grad {
    background: linear-gradient(100deg, var(--brand), var(--teal));
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero .lead { font-size: clamp(17px, 2vw, 19.5px); color: var(--muted); margin-top: 22px; max-width: 40ch; }
  .hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
  .hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
  .hero-note svg { width: 15px; height: 15px; color: var(--teal); flex: none; }

  /* ---------- PHONE ---------- */
  .phone-stage { position: relative; display: grid; place-items: center; }
  .phone-glow {
    position: absolute; inset: -8% 6% 2% 6%; border-radius: 50%;
    background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 45%, transparent), transparent 72%);
    filter: blur(30px); opacity: .5; z-index: 0;
  }
  .phone {
    position: relative; z-index: 1; width: 300px; max-width: 78vw;
    background: linear-gradient(180deg, #1b2733, #0e1720);
    border-radius: 40px; padding: 12px; box-shadow: var(--shadow), inset 0 0 0 1.5px rgba(255,255,255,.06);
  }
  .phone-screen {
    background: linear-gradient(180deg, #0f1a26, #0b141e);
    border-radius: 30px; overflow: hidden; height: 520px; display: flex; flex-direction: column;
  }
  .phone-top {
    padding: 14px 16px 12px; display: flex; align-items: center; gap: 11px;
    background: linear-gradient(180deg, rgba(14,143,214,.18), transparent);
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .biz-ava {
    width: 40px; height: 40px; border-radius: 12px; flex: none;
    background: linear-gradient(135deg, var(--brand), var(--teal)); display: grid; place-items: center;
    color: #fff; font-weight: 800; font-size: 15px; position: relative;
  }
  .biz-ava .verif {
    position: absolute; right: -5px; bottom: -5px; width: 18px; height: 18px; border-radius: 50%;
    background: var(--brand); border: 2.5px solid #0f1a26; display: grid; place-items: center;
  }
  .biz-ava .verif svg { width: 9px; height: 9px; color: #fff; }
  .biz-meta { color: #e8f0f6; min-width: 0; }
  .biz-name { font-weight: 700; font-size: 14.5px; display: flex; align-items: center; gap: 6px; }
  .biz-sub { font-size: 11px; color: #8fb9d6; font-family: var(--mono); letter-spacing: .02em; }
  .chat { flex: 1; padding: 16px 14px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
  .msg { max-width: 84%; opacity: 0; transform: translateY(10px); animation: pop .5s forwards; }
  @keyframes pop { to { opacity: 1; transform: none; } }
  .msg.in { align-self: flex-start; }
  .bubble-sms {
    background: #223243; color: #dce8f2; font-size: 13.5px; padding: 10px 13px;
    border-radius: 15px 15px 15px 5px;
  }
  .rcs-card {
    background: #12212f; border: 1px solid rgba(56,169,234,.25); border-radius: 16px; overflow: hidden;
    box-shadow: 0 14px 30px -20px rgba(0,0,0,.7);
  }
  .rcs-card .img {
    height: 96px; background:
      linear-gradient(120deg, rgba(14,143,214,.9), rgba(23,169,154,.85)),
      repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 10px, transparent 10px 20px);
    display: flex; align-items: flex-end; padding: 10px 12px;
  }
  .rcs-card .img span { color:#fff; font-weight: 800; font-size: 15px; letter-spacing: -.01em; }
  .rcs-card .body { padding: 11px 13px 6px; }
  .rcs-card .body b { color: #eaf3fa; font-size: 13.5px; }
  .rcs-card .body p { color: #9db8ca; font-size: 12.5px; margin-top: 3px; }
  .rcs-actions { display: flex; flex-direction: column; gap: 1px; margin-top: 8px; }
  .rcs-actions button {
    border: none; background: transparent; border-top: 1px solid rgba(255,255,255,.07);
    color: var(--brand); font-weight: 700; font-size: 13px; padding: 11px; text-align: center;
    font-family: var(--font); cursor: default; display:flex; align-items:center; justify-content:center; gap:7px;
  }
  .quick-row { display: flex; gap: 8px; flex-wrap: wrap; align-self: flex-start; opacity: 0; transform: translateY(10px); animation: pop .5s forwards; }
  .chip {
    border: 1px solid rgba(56,169,234,.4); color: #6fc0ef; background: rgba(56,169,234,.08);
    font-size: 12px; font-weight: 600; padding: 7px 13px; border-radius: 999px;
  }
  .stamp { align-self: flex-start; font-size: 10.5px; color: #6b8091; font-family: var(--mono); display:flex; align-items:center; gap:5px; margin-top:-4px; }
  .stamp svg { width: 12px; height: 12px; color: var(--teal); }
  .typing { display: inline-flex; gap: 4px; padding: 12px 14px; background: #223243; border-radius: 15px; align-self: flex-start; }
  .typing i { width: 6px; height: 6px; border-radius: 50%; background: #7d93a6; animation: blink 1.2s infinite; }
  .typing i:nth-child(2){ animation-delay: .2s; } .typing i:nth-child(3){ animation-delay: .4s; }
  @keyframes blink { 0%,60%,100%{ opacity:.3; } 30%{ opacity:1; } }

  /* ---------- SECTIONS ---------- */
  section { position: relative; }
  .band { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .sec { padding: 84px 0; }
  .sec-head { max-width: 640px; margin-bottom: 46px; }
  .sec-head h2 { font-size: clamp(31px, 3.9vw, 46px); font-weight: 800; margin-top: 16px; line-height: 1.1; }
  .sec-head p { color: var(--muted); font-size: 18px; margin-top: 18px; }

  /* channel triad */
  .chan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 780px; margin: 0 auto; }
  .chan {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 32px 28px 28px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
    transition: transform .22s, border-color .22s, box-shadow .22s;
  }
  .chan::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; }
  .chan.sms::before { background: linear-gradient(90deg, #94a3b8, #475569); }
  .chan.feature::before { background: linear-gradient(90deg, var(--brand), var(--teal)); }
  .chan::after { content: ""; position: absolute; right: -50px; top: -50px; width: 170px; height: 170px; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 14%, transparent), transparent); opacity: 0; transition: opacity .3s; pointer-events: none; }
  .chan:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); box-shadow: var(--shadow); }
  .chan:hover::after { opacity: 1; }
  .chan.feature {
    border-color: color-mix(in srgb, var(--brand) 50%, var(--line));
    box-shadow: 0 26px 54px -26px color-mix(in srgb, var(--brand) 60%, transparent);
    background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 8%, var(--panel)), var(--panel));
  }
  .chan.feature:hover { transform: translateY(-10px); }
  .chan .tag {
    position: absolute; top: 18px; right: 18px; font-family: var(--mono); font-size: 10px;
    letter-spacing: .14em; text-transform: uppercase; color: #fff; font-weight: 700;
    background: var(--coral); padding: 5px 12px; border-radius: 999px;
    box-shadow: 0 8px 18px -8px var(--coral);
  }
  .chan-ico { width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center; margin-bottom: 22px; transition: transform .25s; }
  .chan:hover .chan-ico { transform: scale(1.07) rotate(-5deg); }
  .chan-ico svg { width: 29px; height: 29px; color: #fff; }
  .ico-sms { background: linear-gradient(135deg, #64748b, #475569); box-shadow: 0 14px 26px -12px #475569; }
  .ico-rcs { background: linear-gradient(135deg, var(--brand), var(--teal)); box-shadow: 0 14px 28px -10px var(--brand); }
  .chan h3 { font-size: 23px; font-weight: 800; }
  .chan .k { font-family: var(--mono); font-size: 12px; color: var(--faint); margin-top: 4px; }
  .chan p { color: var(--muted); font-size: 15px; margin-top: 14px; }
  .chan ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
  .chan li { display: flex; gap: 11px; font-size: 14.5px; color: var(--text); align-items: flex-start; font-weight: 500; }
  .chan li svg { width: 19px; height: 19px; color: #fff; background: var(--teal); border-radius: 50%; padding: 4px; flex: none; margin-top: 1px; }
  .chan.feature li svg { background: var(--brand); }
  .chan-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 24px; font-weight: 700; font-size: 14.5px; color: var(--brand); }
  .chan-link svg { width: 16px; height: 16px; transition: transform .2s; }
  .chan:hover .chan-link svg { transform: translateX(5px); }

  /* RCS split */
  .rcs-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .rcs-points { display: grid; gap: 22px; margin-top: 30px; }
  .rp { display: flex; gap: 16px; }
  .rp-ico { width: 48px; height: 48px; border-radius: 14px; flex: none; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand), var(--teal)); color: #fff;
    box-shadow: 0 12px 24px -12px var(--brand); }
  .rp-ico svg { width: 23px; height: 23px; }
  .rp h4 { margin: 0 0 4px; font-size: 16.5px; font-weight: 700; }
  .rp p { color: var(--muted); font-size: 14.5px; }
  .compare {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow);
  }
  .compare .row { display: grid; grid-template-columns: 1.5fr 1fr 1fr; align-items: stretch; border-top: 1px solid var(--line); font-size: 14px; }
  .compare .row > * { padding: 15px 10px; display: flex; align-items: center; }
  .compare .lbl { justify-content: flex-start; padding-left: 22px; color: var(--text); font-weight: 600; }
  .compare .c { justify-content: center; font-weight: 700; }
  .compare .c:last-child { background: color-mix(in srgb, var(--brand) 8%, transparent); }
  .compare .row:first-child { border-top: none; background: linear-gradient(90deg, var(--brand), var(--teal)); }
  .compare .row:first-child > * { color: rgba(255,255,255,.9); font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
  .compare .row:first-child .c:last-child { background: rgba(255,255,255,.16); color: #fff; }
  .no { color: var(--faint); }
  .partial { color: var(--coral); font-family: var(--mono); font-size: 12px; font-weight: 700; }
  .compare .c.yes svg { width: 15px; height: 15px; color: #fff; background: var(--teal); border-radius: 50%; padding: 4px; }
  .compare .c:last-child.yes svg { background: var(--brand); }

  /* product preview window */
  .appwin { max-width: 960px; margin: 46px auto 0; background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
  .appwin-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
  .appwin-bar .dots { display: flex; gap: 7px; }
  .appwin-bar .dots i { width: 11px; height: 11px; border-radius: 50%; }
  .appwin-bar .dots i:nth-child(1){ background:#f0655b; } .appwin-bar .dots i:nth-child(2){ background:#f4b740; } .appwin-bar .dots i:nth-child(3){ background:#3ec46d; }
  .appwin-bar .u { margin: 0 auto; font-family: var(--mono); font-size: 12px; color: var(--faint); background: var(--panel); border: 1px solid var(--line); padding: 5px 16px; border-radius: 8px; max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .appwin-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
  .tabs { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; }
  .tabs .t { font-size: 13px; font-weight: 600; padding: 8px 15px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); background: var(--panel); }
  .tabs .t.active { background: color-mix(in srgb, #7c3aed 14%, transparent); color: #7c3aed; border-color: color-mix(in srgb, #7c3aed 32%, transparent); }
  :root[data-theme="dark"] .tabs .t.active { color: #b794f6; }
  .tabs .t.right { margin-left: auto; }
  .kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .kpi { background: var(--panel); border: 1px solid var(--line); border-left: 5px solid var(--faint); border-radius: 16px; padding: 17px 19px; }
  .kpi .lab { font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .kpi .lab svg { width: 15px; height: 15px; opacity: .6; }
  .kpi .val { font-size: 25px; font-weight: 800; letter-spacing: -.02em; margin-top: 5px; font-variant-numeric: tabular-nums; color: var(--text); }
  .chart-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; }
  .chart-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
  .chart-head h4 { font-size: 15px; font-weight: 800; }
  .chart-head .sub { font-family: var(--mono); font-size: 11.5px; color: var(--faint); margin-top: 2px; }
  .seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
  .seg span { font-size: 12px; font-weight: 600; padding: 6px 14px; color: var(--muted); }
  .seg span.on { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); }
  .bars { display: flex; align-items: flex-end; justify-content: space-around; gap: 14px; height: 190px; margin-top: 20px; }
  .barcol { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 7px; flex: 1; height: 100%; }
  .barcol .bv { font-size: 12px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
  .barcol .bar { width: 100%; max-width: 54px; border-radius: 9px 9px 3px 3px; background: linear-gradient(180deg, #5aa6ee, #2f6fd0); box-shadow: 0 8px 18px -10px #2f6fd0; }
  .barcol .bd { font-size: 12.5px; font-weight: 700; color: var(--muted); }
  .barcol .bp { font-size: 10.5px; color: #16a34a; font-family: var(--mono); font-weight: 600; }
  .preview-cta { text-align: center; margin-top: 34px; }

  /* SMS vs RCS side-by-side */
  .vs-section {
    background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 10%, var(--paper)), var(--paper));
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  }
  .vs-wrap { display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: start; max-width: 900px; margin: 0 auto; }
  .vs-col { display: flex; flex-direction: column; align-items: center; gap: 20px; }
  .vs-label { font-family: var(--mono); font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; padding: 9px 20px; border-radius: 999px; }
  .vs-label.is-sms { background: color-mix(in srgb, var(--faint) 16%, transparent); color: var(--muted); border: 1px solid var(--line); }
  .vs-label.is-rcs { background: linear-gradient(135deg, var(--brand), var(--teal)); color: #fff; box-shadow: 0 12px 26px -12px var(--brand); }
  .vs-phone { width: 252px; max-width: 100%; background: linear-gradient(180deg, #1b2733, #0e1720); border-radius: 34px; padding: 10px; box-shadow: var(--shadow), inset 0 0 0 1.5px rgba(255,255,255,.06); }
  .vs-screen { background: linear-gradient(180deg, #0f1a26, #0b141e); border-radius: 26px; overflow: hidden; height: 396px; display: flex; flex-direction: column; }
  .vs-top { padding: 12px 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.07); }
  .vs-top.branded { background: linear-gradient(180deg, rgba(14,143,214,.2), transparent); }
  .vs-anon { width: 32px; height: 32px; border-radius: 50%; background: #2b3b4d; display: grid; place-items: center; color: #8ba3b8; flex: none; }
  .vs-anon svg { width: 17px; height: 17px; }
  .vs-body { flex: 1; padding: 15px 13px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
  .vs-plain { background: #223243; color: #cfdceb; font-size: 12.5px; line-height: 1.5; padding: 11px 13px; border-radius: 15px 15px 15px 5px; }
  .vs-plain .lnk { color: #7fb4dc; word-break: break-all; }
  .vs-div { display: grid; place-items: center; padding-top: 58px; }
  .vs-x { font-family: var(--mono); font-weight: 800; font-size: 15px; color: var(--faint); border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 9px 14px; }
  .vs-notes { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; width: 100%; max-width: 252px; }
  .vs-notes li { display: flex; gap: 9px; font-size: 13px; color: var(--muted); align-items: flex-start; line-height: 1.45; }
  .vs-notes svg { width: 17px; height: 17px; flex: none; margin-top: 1px; }
  .vs-notes .bad svg { color: var(--faint); }
  .vs-notes .good svg { color: #fff; background: var(--teal); border-radius: 50%; padding: 3px; }

  /* RCS examples by segment */
  .ex-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .ex-card {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--line); border-radius: 24px; padding: 24px;
    box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 15px;
    transition: transform .22s, box-shadow .22s, border-color .22s;
  }
  .ex-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 42%, var(--line)); }
  .ex-tag { align-self: flex-start; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; padding: 6px 13px; border-radius: 999px; color: #fff; }
  .ex-msg { background: linear-gradient(180deg, #0f1a26, #0b141e); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; gap: 11px; }
  .ex-head { display: flex; align-items: center; gap: 10px; }
  .ex-ava { width: 32px; height: 32px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), var(--teal)); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 13px; position: relative; flex: none; }
  .ex-ava .v { position: absolute; right: -4px; bottom: -4px; width: 15px; height: 15px; border-radius: 50%; background: var(--brand); border: 2px solid #0f1a26; display: grid; place-items: center; }
  .ex-ava .v svg { width: 7px; height: 7px; color: #fff; }
  .ex-name { color: #e8f0f6; font-weight: 700; font-size: 12.5px; line-height: 1.25; }
  .ex-sub { color: #7fa8c4; font-family: var(--mono); font-size: 9.5px; letter-spacing: .04em; }
  .ex-rich { background: #12212f; border: 1px solid rgba(56,169,234,.22); border-radius: 14px; overflow: hidden; }
  .ex-img { height: 72px; display: flex; align-items: flex-end; padding: 10px 12px; }
  .ex-img span { color: #fff; font-weight: 800; font-size: 12.5px; letter-spacing: -.01em; text-shadow: 0 1px 6px rgba(0,0,0,.35); }
  .ex-body { padding: 11px 13px 4px; }
  .ex-body b { color: #eaf3fa; font-size: 12.5px; display: block; }
  .ex-body p { color: #9db8ca; font-size: 11.5px; margin-top: 4px; line-height: 1.5; }
  .ex-btns { display: flex; flex-direction: column; margin-top: 9px; }
  .ex-btns span { border-top: 1px solid rgba(255,255,255,.08); color: #57b6ee; font-weight: 700; font-size: 11.5px; padding: 10px; text-align: center; }
  .ex-card h4 { font-size: 17.5px; font-weight: 800; }
  .ex-note { color: var(--muted); font-size: 14px; margin-top: -6px; }
  .ex-sub-title { font-size: 20px; font-weight: 800; margin: 0 0 22px; display: flex; align-items: center; gap: 14px; }
  .ex-sub-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }
  .ex-group + .ex-group { margin-top: 52px; }

  /* carousel format */
  .ex-carousel { display: flex; gap: 9px; overflow-x: auto; padding-bottom: 5px; scroll-snap-type: x mandatory; }
  .ex-carousel::-webkit-scrollbar { height: 4px; }
  .ex-carousel::-webkit-scrollbar-track { background: rgba(255,255,255,.05); border-radius: 4px; }
  .ex-carousel::-webkit-scrollbar-thumb { background: rgba(255,255,255,.22); border-radius: 4px; }
  .ex-mini { flex: none; width: 116px; background: #12212f; border: 1px solid rgba(56,169,234,.22); border-radius: 12px; overflow: hidden; scroll-snap-align: start; }
  .ex-mini .mi { height: 54px; }
  .ex-mini .mb { padding: 8px 9px 9px; }
  .ex-mini .mb b { color: #eaf3fa; font-size: 10.5px; display: block; line-height: 1.3; }
  .ex-mini .mp { color: #57b6ee; font-size: 11.5px; font-weight: 800; margin-top: 4px; display: block; }
  .ex-mini .mbtn { border-top: 1px solid rgba(255,255,255,.08); color: #57b6ee; font-weight: 700; font-size: 10.5px; padding: 7px; text-align: center; }

  /* suggested replies + actions */
  .ex-chips { display: flex; gap: 7px; flex-wrap: wrap; }
  .ex-chips span { border: 1px solid rgba(56,169,234,.4); color: #6fc0ef; background: rgba(56,169,234,.08); font-size: 11px; font-weight: 600; padding: 6px 12px; border-radius: 999px; }
  .ex-btns .ex-act { display: flex; align-items: center; justify-content: center; gap: 8px; }
  .ex-btns .ex-act svg { width: 13px; height: 13px; flex: none; }
  .ex-optout { display: flex; align-items: center; gap: 7px; color: #6b8091; font-size: 10px; font-family: var(--mono); }
  .ex-optout u { text-underline-offset: 2px; }

  /* video format */
  .ex-video { position: relative; }
  .ex-video .play { position: absolute; inset: 0; display: grid; place-items: center; }
  .ex-video .play i { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.94); display: grid; place-items: center; box-shadow: 0 10px 22px -8px rgba(0,0,0,.65); }
  .ex-video .play svg { width: 15px; height: 15px; color: #12212f; margin-left: 3px; }
  .ex-video .dur { position: absolute; right: 9px; bottom: 9px; background: rgba(0,0,0,.68); color: #fff; font-family: var(--mono); font-size: 9.5px; padding: 3px 7px; border-radius: 6px; }

  /* RCS benefit story */
  .rcs-story {
    background:
      radial-gradient(700px 420px at 0 14%, color-mix(in srgb, var(--brand) 9%, transparent), transparent 70%),
      radial-gradient(700px 420px at 100% 68%, color-mix(in srgb, var(--teal) 9%, transparent), transparent 70%);
  }
  .story-intro { max-width: 760px; margin: 0 auto 76px; text-align: center; }
  .story-intro h2 { font-size: clamp(34px, 4.4vw, 54px); line-height: 1.06; font-weight: 800; margin-top: 17px; letter-spacing: -.035em; }
  .story-intro p { color: var(--muted); font-size: 18px; max-width: 660px; margin: 20px auto 0; }
  .story-stack { display: grid; gap: 120px; }
  .story-row { display: grid; grid-template-columns: minmax(0, .92fr) minmax(460px, 1.08fr); gap: 78px; align-items: center; }
  .story-row-reverse .story-copy { order: 2; }
  .story-row-reverse .story-visual { order: 1; }
  .story-copy { max-width: 520px; }
  .story-number { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-family: var(--mono); font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
  .story-copy h3 { font-size: clamp(30px, 3.5vw, 44px); line-height: 1.08; font-weight: 800; letter-spacing: -.03em; margin-top: 16px; }
  .story-copy > p { color: var(--muted); font-size: 17px; margin-top: 18px; }
  .story-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 15px; }
  .story-list li { display: flex; align-items: flex-start; gap: 11px; color: var(--muted); font-size: 14.5px; line-height: 1.5; }
  .story-list b { color: var(--text); }
  .story-check { width: 21px; height: 21px; border-radius: 50%; display: grid; place-items: center; flex: none; margin-top: 1px; color: #fff; background: linear-gradient(135deg, var(--brand), var(--teal)); font-size: 11px; font-weight: 900; box-shadow: 0 7px 16px -8px var(--brand); }
  .story-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 25px; color: var(--brand); font-weight: 800; font-size: 14.5px; }
  .story-link span { transition: transform .2s; }
  .story-link:hover span { transform: translateX(5px); }
  .story-visual { min-height: 470px; position: relative; border: 1px solid var(--line); border-radius: 30px; box-shadow: var(--shadow); overflow: hidden; }

  /* verified profile visual */
  .trust-demo { padding: 34px; display: grid; place-items: center; isolation: isolate; background: linear-gradient(145deg, color-mix(in srgb, var(--brand) 13%, var(--panel)), var(--panel-2)); }
  .trust-demo::before { content: ""; position: absolute; width: 300px; height: 300px; right: -70px; top: -80px; z-index: -1; border-radius: 50%; background: color-mix(in srgb, var(--teal) 16%, transparent); filter: blur(12px); }
  .profile-shot-shell { width: 100%; padding: 10px; border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--line)); border-radius: 24px; background: color-mix(in srgb, #fff 92%, var(--panel)); box-shadow: 0 26px 50px -30px rgba(13,35,55,.55); transform: rotate(-.7deg); }
  .profile-shot-shell img { display: block; width: 100%; height: auto; border-radius: 17px; }
  .profile-proof { position: absolute; right: 25px; bottom: 24px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px; color: #fff; background: var(--brand-deep); box-shadow: 0 16px 28px -14px var(--brand-deep); font-size: 12px; font-weight: 800; }
  .profile-proof i { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; color: var(--brand-deep); background: #fff; font-style: normal; font-size: 9px; }
  .brand-profile { width: min(390px, 94%); display: flex; align-items: center; gap: 13px; padding: 15px 18px; color: #e9f3fa; background: #102131; border: 1px solid rgba(56,169,234,.22); border-radius: 18px 18px 0 0; }
  .brand-avatar { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; flex: none; position: relative; color: #fff; font-size: 19px; font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--teal)); }
  .brand-avatar span { position: absolute; right: -5px; bottom: -4px; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; border: 2px solid #102131; background: var(--brand); font-size: 8px; }
  .brand-avatar.small { width: 38px; height: 38px; border-radius: 12px; font-size: 15px; }
  .brand-profile b, .rich-top b { display: block; font-size: 14px; }
  .brand-profile small, .rich-top small { display: block; margin-top: 2px; color: #8fb0c6; font-family: var(--mono); font-size: 9.5px; }
  .profile-card { width: min(390px, 94%); min-height: 300px; padding: 28px 30px 24px; text-align: center; color: #e8f1f7; background: linear-gradient(180deg, #0f1b28, #0a151f); border: 1px solid rgba(56,169,234,.18); border-top: 0; border-radius: 0 0 22px 22px; }
  .profile-label { color: #7795aa; font-family: var(--mono); font-size: 9.5px; letter-spacing: .13em; text-transform: uppercase; }
  .profile-logo { width: 62px; height: 62px; margin: 18px auto 12px; border-radius: 19px; display: grid; place-items: center; color: #fff; font-size: 24px; font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--teal)); box-shadow: 0 15px 28px -14px var(--brand); }
  .profile-card h4 { font-size: 18px; }
  .profile-card > p { color: #8fa9ba; font-size: 12px; margin: 5px 0 18px; }
  .profile-data { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.07); font-size: 11px; text-align: left; }
  .profile-data span { color: #7894a8; }
  .profile-data b { color: #c7d9e5; font-weight: 600; }
  .trust-badge, .action-badge { position: absolute; right: 24px; bottom: 27px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px; color: #fff; background: #16a66f; box-shadow: 0 16px 28px -14px #087d51; font-size: 12px; font-weight: 800; }
  .trust-badge i { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.2); font-style: normal; font-size: 9px; }

  /* rich message visual */
  .rich-demo { padding: 34px; display: grid; place-items: center; background: linear-gradient(145deg, color-mix(in srgb, var(--teal) 11%, var(--panel)), var(--panel-2)); }
  .rich-phone { width: min(350px, 94%); padding: 13px; border-radius: 28px; background: linear-gradient(180deg, #1b2733, #0e1720); box-shadow: 0 28px 42px -24px rgba(6,19,31,.8), inset 0 0 0 1px rgba(255,255,255,.06); }
  .rich-top { display: flex; align-items: center; gap: 11px; padding: 10px 9px 13px; color: #e8f1f7; border-bottom: 1px solid rgba(255,255,255,.07); }
  .rich-card { overflow: hidden; margin: 12px 0 10px; border: 1px solid rgba(56,169,234,.24); border-radius: 17px; background: #12212f; }
  .rich-image { height: 124px; position: relative; display: flex; align-items: flex-end; padding: 13px 15px; color: #fff; overflow: hidden; background: linear-gradient(130deg, #0b83c8, #18a99e); }
  .rich-image > span { position: relative; z-index: 2; font-size: 13px; font-weight: 800; }
  .rich-product { position: absolute; inset: 0; }
  .product-box { position: absolute; width: 94px; height: 70px; right: 32px; top: 30px; border-radius: 10px; transform: rotate(-6deg); background: linear-gradient(145deg, #fff, #c9e5ee); box-shadow: 0 15px 20px -12px rgba(0,0,0,.5); }
  .product-box::after { content: "F"; position: absolute; inset: 15px; border-radius: 7px; display: grid; place-items: center; color: #fff; font-size: 17px; font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--teal)); }
  .product-shine { position: absolute; width: 170px; height: 170px; right: -12px; top: -50px; border-radius: 50%; background: rgba(255,255,255,.13); }
  .rich-content { padding: 13px 14px 6px; }
  .rich-content > b { color: #eaf3fa; font-size: 13px; }
  .rich-content p { color: #9db8ca; font-size: 11px; margin: 4px 0 10px; }
  .rich-content button { width: 100%; padding: 9px 6px; border: 0; border-top: 1px solid rgba(255,255,255,.08); color: #57b6ee; background: transparent; font: 700 11.5px var(--font); cursor: default; }
  .reply-pills { display: flex; gap: 7px; }
  .reply-pills span { flex: 1; padding: 7px 8px; border: 1px solid rgba(56,169,234,.38); border-radius: 999px; color: #6fc0ef; text-align: center; font-size: 10.5px; font-weight: 700; }
  .action-badge { left: 24px; right: auto; background: var(--brand); box-shadow: 0 16px 28px -14px var(--brand); }

  /* fallback flow visual */
  .fallback-demo { padding: 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(145deg, color-mix(in srgb, var(--brand) 9%, var(--panel)), var(--panel-2)); }
  .fallback-shot-shell { width: 100%; padding: 9px; border: 1px solid color-mix(in srgb, var(--teal) 18%, var(--line)); border-radius: 24px; background: color-mix(in srgb, #fff 94%, var(--panel)); box-shadow: 0 26px 50px -30px rgba(13,35,55,.55); }
  .fallback-shot-shell img { display: block; width: 100%; height: auto; border-radius: 17px; }
  .flow-origin { display: flex; align-items: center; gap: 12px; width: 230px; padding: 15px 18px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); box-shadow: var(--shadow-sm); }
  .flow-logo { width: 39px; height: 39px; border-radius: 12px; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--teal)); }
  .flow-origin b, .flow-origin small { display: block; }
  .flow-origin b { font-size: 13px; }
  .flow-origin small { color: var(--faint); font-size: 10px; margin-top: 2px; }
  .flow-line { width: 2px; height: 31px; background: var(--line); position: relative; }
  .flow-line span { position: absolute; left: 50%; bottom: -1px; width: 8px; height: 8px; transform: translateX(-50%) rotate(45deg); border-right: 2px solid var(--faint); border-bottom: 2px solid var(--faint); }
  .flow-question { padding: 10px 17px; border-radius: 999px; color: var(--text); background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow-sm); font-size: 12.5px; font-weight: 800; }
  .flow-branches { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 34px; position: relative; }
  .flow-branches::before { content: ""; position: absolute; left: 25%; right: 25%; top: -18px; height: 1px; background: var(--line); }
  .flow-branch { position: relative; padding-top: 4px; }
  .flow-branch::before { content: ""; position: absolute; left: 50%; top: -18px; width: 1px; height: 22px; background: var(--line); }
  .flow-answer { display: table; position: relative; z-index: 1; margin: 0 auto 8px; padding: 4px 9px; border-radius: 999px; color: #fff; font-family: var(--mono); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
  .flow-branch.rcs .flow-answer { background: var(--teal); }
  .flow-branch.sms .flow-answer { background: #64748b; }
  .flow-channel { min-height: 128px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 17px; text-align: center; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow-sm); }
  .flow-channel i { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 9px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--brand), var(--teal)); font-style: normal; font-size: 10px; font-weight: 900; }
  .flow-branch.sms .flow-channel i { background: linear-gradient(135deg, #64748b, #475569); }
  .flow-channel b { font-size: 13px; }
  .flow-channel small { color: var(--faint); font-size: 10px; margin-top: 3px; }

  /* reporting visual */
  .metrics-demo { padding: 30px; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg, color-mix(in srgb, #7c3aed 8%, var(--panel)), var(--panel-2)); }
  .metric-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 15px 17px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); font-size: 12px; }
  .metric-head > div { display: flex; align-items: center; gap: 8px; }
  .metric-head > span { color: var(--faint); font-family: var(--mono); font-size: 9.5px; }
  .metric-dot { width: 9px; height: 9px; border-radius: 50%; background: #22b573; box-shadow: 0 0 0 4px color-mix(in srgb, #22b573 18%, transparent); }
  .metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 12px; }
  .metric-grid > div { position: relative; padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow-sm); }
  .metric-grid small { display: block; color: var(--muted); font-size: 10.5px; }
  .metric-grid strong { display: block; color: var(--text); font-size: 23px; margin-top: 3px; letter-spacing: -.02em; }
  .metric-grid span { position: absolute; right: 13px; top: 14px; color: #16a34a; font-family: var(--mono); font-size: 9.5px; font-weight: 800; }
  .metric-chart { margin-top: 12px; padding: 18px 18px 13px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
  .metric-chart-title { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; }
  .metric-chart-title span { padding: 4px 9px; border-radius: 999px; color: var(--brand); background: color-mix(in srgb, var(--brand) 11%, transparent); font-family: var(--mono); font-size: 9px; font-weight: 800; }
  .metric-bars { height: 120px; display: flex; align-items: flex-end; gap: 10px; padding: 16px 4px 0; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to bottom, transparent 0 29px, color-mix(in srgb, var(--line) 65%, transparent) 29px 30px); }
  .metric-bars i { flex: 1; max-width: 42px; border-radius: 7px 7px 2px 2px; background: linear-gradient(180deg, var(--brand), var(--teal)); box-shadow: 0 7px 14px -8px var(--brand); }

  /* FAQ */
  .home-faq { max-width: 860px; margin: 0 auto; }
  .faq-list { display: grid; gap: 12px; }
  .faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow-sm); }
  .faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 21px 24px; color: var(--text); font-size: 16px; font-weight: 800; cursor: pointer; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: "+"; width: 28px; height: 28px; flex: none; display: grid; place-items: center; border-radius: 50%; color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); font-size: 19px; font-weight: 500; transition: transform .2s; }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-item p { padding: 0 24px 22px; color: var(--muted); font-size: 14.5px; }

  /* features */
  .feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .feat {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--line); border-radius: 22px; padding: 30px 26px 32px;
    box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
    transition: transform .22s, border-color .22s, box-shadow .22s;
  }
  .feat::after { content: ""; position: absolute; right: -55px; top: -55px; width: 165px; height: 165px; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--teal) 16%, transparent), transparent); opacity: 0; transition: opacity .3s; pointer-events: none; }
  .feat:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--teal) 42%, var(--line)); box-shadow: var(--shadow); }
  .feat:hover::after { opacity: 1; }
  .feat .fi { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; margin-bottom: 20px;
    background: linear-gradient(135deg, var(--teal), var(--brand)); color: #fff;
    box-shadow: 0 14px 28px -12px var(--teal); transition: transform .25s; }
  .feat:hover .fi { transform: scale(1.07) rotate(-5deg); }
  .feat .fi svg { width: 28px; height: 28px; }
  .feat h4 { font-size: 18px; font-weight: 800; }
  .feat p { color: var(--muted); font-size: 14.5px; margin-top: 9px; }

  /* stats */
  .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .stat { text-align: center; background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--line); border-radius: 22px; padding: 34px 22px;
    box-shadow: var(--shadow-sm); transition: transform .22s, box-shadow .22s; }
  .stat:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
  .stat .n { font-size: clamp(36px, 5vw, 52px); font-weight: 800; letter-spacing: -.03em;
    background: linear-gradient(120deg, var(--brand), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent;
    font-variant-numeric: tabular-nums; }
  .stat .l { color: var(--muted); font-size: 14px; margin-top: 6px; }

  /* clients */
  .clients { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: center; }
  .logo-chip { background: #fff; border: 1px solid rgba(15,30,50,.10); border-radius: 20px; padding: 20px 30px; height: 92px; min-width: 172px; display: grid; place-items: center; box-shadow: 0 12px 28px -18px rgba(13,22,34,.55); transition: transform .2s, box-shadow .2s; }
  .logo-chip:hover { transform: translateY(-4px); box-shadow: 0 20px 36px -18px rgba(13,22,34,.6); }
  .logo-chip img { max-height: 38px; max-width: 120px; width: auto; height: auto; opacity: .78; filter: grayscale(1); transition: opacity .2s; }
  .logo-chip:hover img { opacity: 1; }

  /* CTA / contact */
  .cta-band {
    background:
      radial-gradient(900px 400px at 20% 0%, rgba(23,169,154,.18), transparent 60%),
      linear-gradient(120deg, var(--brand-deep), #0b3f60);
    color: #fff; border-radius: 32px; padding: 60px 54px; position: relative; overflow: hidden;
    box-shadow: var(--shadow);
  }
  .cta-band::after { content:""; position:absolute; inset:0; background: repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 2px, transparent 2px 26px); pointer-events:none; }
  .cta-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
  .cta-band h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; color: #fff; }
  .cta-band p { color: rgba(255,255,255,.85); font-size: 17px; margin-top: 16px; }
  .cta-actions { display: flex; gap: 13px; margin-top: 28px; flex-wrap: wrap; }
  .cta-actions .btn-ghost { background: rgba(255,255,255,.1); color:#fff; border-color: rgba(255,255,255,.28); }
  .cta-actions .btn-ghost:hover { background: rgba(255,255,255,.18); color:#fff; }
  .cta-card {
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); border-radius: 24px;
    padding: 30px; backdrop-filter: blur(6px);
  }
  .cta-card .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.65); }
  .contact-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 14px; }
  .contact-list li { display: flex; gap: 13px; align-items: center; color: #fff; font-size: 14.5px; }
  .contact-list .ci { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.14); display: grid; place-items: center; flex: none; }
  .contact-list .ci svg { width: 19px; height: 19px; color: #fff; }
  .contact-list b { display: block; font-size: 12px; color: rgba(255,255,255,.6); font-weight: 600; }

  /* footer */
  footer { padding: 64px 0 36px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
  .foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px; }
  .foot-about p { color: var(--muted); font-size: 14px; margin-top: 18px; max-width: 36ch; line-height: 1.65; }
  .foot-social { display: flex; gap: 10px; margin-top: 20px; }
  .foot-social a { width: 40px; height: 40px; border-radius: 13px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--muted); transition: .18s; }
  .foot-social a:hover { color: var(--brand); border-color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); }
  .foot-social svg { width: 18px; height: 18px; }
  .foot-col h5 { font-family: var(--mono); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text); margin: 0 0 18px; }
  .foot-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
  .foot-col a { color: var(--muted); font-size: 14px; transition: color .16s; }
  .foot-col a:hover { color: var(--brand); }
  .foot-bottom { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13.5px; color: var(--faint); }
  .foot-contact { display: flex; gap: 24px; flex-wrap: wrap; }
  .foot-contact a { color: var(--faint); }
  .foot-contact a:hover { color: var(--brand); }

  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.on { opacity: 1; transform: none; }

  @media (max-width: 900px) {
    .hero-grid, .rcs-split, .cta-grid { grid-template-columns: 1fr; gap: 40px; }
    .story-row { grid-template-columns: 1fr; gap: 42px; }
    .story-row-reverse .story-copy, .story-row-reverse .story-visual { order: initial; }
    .story-copy { max-width: 650px; }
    .story-visual { width: 100%; max-width: 650px; margin: 0 auto; }
    .story-stack { gap: 88px; }
    .phone-stage { order: -1; }
    .phone { width: 270px; }
    .phone-screen { height: 460px; }
    .chan-grid, .stats { grid-template-columns: 1fr; }
    .feat-grid { grid-template-columns: 1fr 1fr; }
    .cta-band { padding: 38px 26px; }
    .kpis { grid-template-columns: repeat(2, 1fr); }
    .ex-grid { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .vs-wrap { grid-template-columns: 1fr; gap: 34px; }
    .vs-div { padding-top: 0; }
  }
  @media (max-width: 560px) {
    .nav-in { gap: 14px; }
    .nav-cta > .btn-primary { display: none; }
    .story-intro { margin-bottom: 54px; text-align: left; }
    .story-stack { gap: 70px; }
    .story-copy h3 { font-size: 29px; }
    .story-visual { min-height: 420px; border-radius: 23px; }
    .trust-demo, .rich-demo, .fallback-demo, .metrics-demo { padding: 20px 15px; }
    .trust-demo { min-height: 300px; padding: 18px 12px 48px; }
    .profile-shot-shell { padding: 6px; border-radius: 18px; transform: none; }
    .profile-shot-shell img { border-radius: 13px; }
    .profile-proof { left: 50%; right: auto; bottom: 15px; transform: translateX(-50%); white-space: nowrap; }
    .trust-badge, .action-badge { left: 50%; right: auto; bottom: 17px; transform: translateX(-50%); white-space: nowrap; }
    .fallback-demo { min-height: 300px; padding: 12px; }
    .fallback-shot-shell { padding: 5px; border-radius: 18px; }
    .fallback-shot-shell img { border-radius: 13px; }
    .brand-profile, .profile-card, .rich-phone { width: 100%; }
    .profile-card { padding: 24px 18px 62px; }
    .rich-demo { padding-bottom: 66px; }
    .flow-branches { gap: 10px; }
    .flow-channel { padding: 13px 7px; }
    .flow-channel small { font-size: 9px; }
    .metric-grid > div { padding: 14px 12px; }
    .metric-grid strong { font-size: 19px; }
    .metric-grid span { position: static; display: block; margin-top: 4px; }
    .metric-bars { gap: 6px; }
    .faq-item summary { padding: 18px; font-size: 14.5px; }
    .faq-item p { padding: 0 18px 19px; }
    .feat-grid { grid-template-columns: 1fr; }
    .kpis { grid-template-columns: 1fr 1fr; }
    .ex-grid { grid-template-columns: minmax(0, 1fr); }
    .ex-card, .ex-msg, .ex-rich, .ex-carousel { min-width: 0; }
    .ex-carousel { max-width: 100%; }
    .foot-grid { grid-template-columns: 1fr; gap: 30px; }
    .kpi .val { font-size: 21px; }
    .bars { height: 150px; gap: 8px; }
    .barcol .bv { font-size: 10px; }
    .appwin-body { padding: 14px; }
    .compare .row { grid-template-columns: 1.2fr .9fr .9fr; padding: 13px 14px; font-size: 12.5px; }
    .hero-actions .btn { flex: 1; justify-content: center; }
  }
  @media (max-width: 1140px) { .nav-login { display: none; } }
  @media (max-width: 1020px) {
    .hamburger { display: inline-flex; }
    .nav-links {
      position: fixed; top: 68px; left: 0; right: 0; bottom: 0; margin: 0;
      background: var(--paper); border-top: 1px solid var(--line);
      flex-direction: column; align-items: stretch; gap: 2px;
      padding: 18px 18px 40px; overflow-y: auto; display: none;
    }
    .nav-links.open { display: flex; }
    .nav-link, .nav-trigger { width: 100%; justify-content: space-between; font-size: 16.5px; padding: 15px 16px; border-radius: 14px; }
    .nav-item { position: static; }
    .nav-menu { position: static; padding-top: 0; opacity: 1; visibility: visible; transform: none; display: none; }
    .nav-item.open .nav-menu { display: block; }
    .nav-menu-inner { min-width: 0; border: none; box-shadow: none; background: transparent; padding: 2px 0 10px 6px; }
    .nav-menu a { padding: 11px 10px; }
  }
  @media (prefers-reduced-motion: reduce) {
    .msg, .quick-row, .reveal, .typing i { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
    html { scroll-behavior: auto; }
  }