/* ==========================================================================
   iEngage public site.
   Standalone: same design language as the panel, but no dependency on it.
   Replaces Bootstrap 3 + new-age.css + Font Awesome + Simple Line Icons
   + three Google font families.
   ========================================================================== */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f7f8fb;
  --surface:   #ffffff;
  --border:    #e6e8ee;
  --text:      #16192b;
  --text-mut:  #5d657c;
  --text-fnt:  #8b93a7;
  --brand:     #5b5bd6;
  --brand-2:   #8d6ee8;
  --brand-hov: #4a4ac4;
  --brand-sft: #eeeefc;
  --ok:        #12876f;
  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 2px 4px rgba(20,25,45,.04), 0 8px 24px rgba(20,25,45,.06);
  --shadow-lg: 0 12px 28px rgba(20,25,45,.10), 0 32px 64px rgba(20,25,45,.10);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --max: 1140px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1015; --bg-soft: #141822; --surface: #171b24;
    --border: #262b38; --text: #e9ebf1; --text-mut: #9aa3b8; --text-fnt: #6e778d;
    --brand: #8b8bf0; --brand-2: #a98bf5; --brand-hov: #9d9df5; --brand-sft: #20223a;
    --ok: #4ecfae;
    --shadow:    0 2px 4px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
    --shadow-lg: 0 12px 28px rgba(0,0,0,.4), 0 32px 64px rgba(0,0,0,.5);
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.12rem; letter-spacing: -.01em; }
p  { margin: 0 0 1rem; }
a  { color: var(--brand); text-decoration: none; transition: color .16s; }
a:hover { color: var(--brand-hov); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 5px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* --- header ---------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: saturate(1.7) blur(14px);
  backdrop-filter: saturate(1.7) blur(14px);
  border-bottom: 1px solid var(--border);
}
@supports not (backdrop-filter: blur(1px)) { .nav { background: var(--bg); } }

.nav__inner { display: flex; align-items: center; gap: 26px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px;
         letter-spacing: -.02em; color: var(--text); }
.brand:hover { color: var(--text); }
.brand__mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(140deg, var(--brand), var(--brand-2));
  display: grid; place-items: center; color: #fff; font-size: 16px;
}
.nav__links { display: flex; gap: 24px; margin-left: 12px; }
.nav__links a { color: var(--text-mut); font-size: 14.5px; font-weight: 520; }
.nav__links a:hover { color: var(--text); }
.nav__spacer { flex: 1; }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; }

/* --- buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-size: 15px; font-weight: 580; cursor: pointer; white-space: nowrap;
  transition: background .16s, border-color .16s, transform .16s, box-shadow .16s, color .16s;
}
.btn:hover { background: var(--bg-soft); color: var(--text); }
.btn--primary {
  background: var(--brand); border-color: var(--brand); color: #fff;
  box-shadow: 0 1px 2px rgba(91,91,214,.3);
}
.btn--primary:hover { background: var(--brand-hov); border-color: var(--brand-hov); color: #fff; transform: translateY(-1px); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--text-mut); }
.btn--ghost:hover { color: var(--text); background: var(--bg-soft); }
.btn--lg { padding: 14px 26px; font-size: 16px; border-radius: 12px; }
.btn--sm { padding: 8px 15px; font-size: 14px; }

/* --- hero ------------------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(60px, 9vw, 110px) 0 clamp(52px, 7vw, 92px);
  background:
    radial-gradient(900px 440px at 14% -10%, var(--brand-sft), transparent 62%),
    radial-gradient(760px 400px at 92% 4%, color-mix(in srgb, var(--brand-2) 14%, transparent), transparent 58%),
    var(--bg);
}
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--brand-sft); color: var(--brand);
  padding: 5px 13px; border-radius: 30px;
  font-size: 13.2px; font-weight: 620; margin-bottom: 20px;
  white-space: nowrap;
}
/* Inline SVGs default to 100% width without an explicit size - constrain every
   icon that sits inside text or a control. */
.eyebrow svg, .btn svg, .nav__toggle svg, .footer svg {
  width: 16px; height: 16px; flex: 0 0 16px;
}
.eyebrow svg { width: 15px; height: 15px; flex-basis: 15px; }
.hero p.lede { font-size: clamp(1.02rem, 1.7vw, 1.16rem); color: var(--text-mut); max-width: 33em; margin-top: 18px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__note { margin-top: 16px; font-size: 13.8px; color: var(--text-fnt); }

/* signup card */
.signup {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; box-shadow: var(--shadow-lg); padding: 30px;
}
.signup h3 { margin-bottom: 4px; }
.signup p { color: var(--text-mut); font-size: 14.3px; margin-bottom: 20px; }
.field { margin-bottom: 14px; }
.label { display: block; font-size: 13.5px; font-weight: 570; margin-bottom: 6px; }
.input {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 15px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color .16s, box-shadow .16s;
}
.input::placeholder { color: var(--text-fnt); }
.input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3.5px rgba(91,91,214,.2); }
.signup .btn { width: 100%; }
.signup__foot { margin-top: 14px; font-size: 13.2px; color: var(--text-fnt); text-align: center; }

/* --- sections -------------------------------------------------------------- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--soft { background: var(--bg-soft); border-block: 1px solid var(--border); }
.section__head { max-width: 640px; margin: 0 auto clamp(34px, 5vw, 54px); text-align: center; }
.section__head p { color: var(--text-mut); margin-top: 12px; font-size: 1.04rem; }

.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 30%, var(--border)); }
.card__icon {
  width: 42px; height: 42px; border-radius: 12px; margin-bottom: 16px;
  background: var(--brand-sft); color: var(--brand); display: grid; place-items: center;
}
.card__icon svg { width: 21px; height: 21px; }
.card p { color: var(--text-mut); font-size: 14.8px; margin: 9px 0 0; }

/* --- stats ----------------------------------------------------------------- */
.stats { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); text-align: center; }
.stats__n { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 720; letter-spacing: -.03em;
            background: linear-gradient(120deg, var(--brand), var(--brand-2));
            -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats__l { color: var(--text-mut); font-size: 14.3px; margin-top: 2px; }

/* --- steps ----------------------------------------------------------------- */
.steps { display: grid; gap: 26px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); counter-reset: s; }
.step { counter-increment: s; }
.step::before {
  content: counter(s); display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%; margin-bottom: 14px;
  background: var(--brand); color: #fff; font-weight: 680; font-size: 15px;
}
.step p { color: var(--text-mut); font-size: 14.8px; margin-top: 7px; }

/* --- cta ------------------------------------------------------------------- */
.cta {
  border-radius: 22px; padding: clamp(38px, 6vw, 62px) 32px; text-align: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.9); max-width: 34em; margin: 12px auto 26px; }
.cta .btn { background: #fff; border-color: #fff; color: var(--brand); }
.cta .btn:hover { background: rgba(255,255,255,.92); color: var(--brand); transform: translateY(-1px); }

/* --- footer ---------------------------------------------------------------- */
.footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 52px 0 30px; }
.footer__grid { display: grid; gap: 34px; grid-template-columns: 1.6fr 1fr 1fr; }
.footer h4 { margin: 0 0 12px; font-size: 13px; font-weight: 640; letter-spacing: .06em; text-transform: uppercase; color: var(--text-fnt); }
.footer a { display: block; color: var(--text-mut); font-size: 14.5px; padding: 4px 0; }
.footer a:hover { color: var(--brand); }
.footer__bar {
  margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  color: var(--text-fnt); font-size: 13.6px;
}

/* --- responsive ------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 68px;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 22px; gap: 4px;
  }
  .nav__links.is-open a { padding: 9px 0; }
  .nav__toggle { display: block; }
  .footer__grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}