/* ============================================================
   SECURITY CULTURE — Design System
   Premium B2B cybersecurity SaaS. Dark base, cyan→green accent.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* ----- Surfaces (dark) ----- */
  --ink:        #060a14;
  --bg:         #080d1a;
  --bg-2:       #0a1122;
  --surface:    #0e1729;
  --surface-2:  #121d33;
  --surface-3:  #16223b;

  /* ----- Light surfaces ----- */
  --paper:      #f5f8fc;
  --paper-2:    #eaf1f8;
  --paper-2:    #e9eff7;

  /* ----- Lines ----- */
  --line:        rgba(148, 178, 220, 0.10);
  --line-strong: rgba(148, 178, 220, 0.18);
  --grid:        rgba(120, 200, 200, 0.045);

  /* ----- Text ----- */
  --text:      #e9eef7;
  --text-dim:  #9fadc4;
  --text-mute: #6a7894;
  --text-ink:  #0c1424; /* on light */
  --text-ink-dim: #475067;

  /* ----- Accent (from logo) ----- */
  --cyan:  #25ddc8;
  --teal:  #1fcfae;
  --green: #1fc887;
  --green-bright: #34e6a2;
  --blue:  #2f7bf6;
  --accent: #1fd0a3;
  --accent-ink: #052018;       /* text on accent fills */
  --grad: linear-gradient(120deg, #2ee0cf 0%, #20cfa6 45%, #18bf78 100%);
  --grad-soft: linear-gradient(120deg, rgba(46,224,207,.18), rgba(24,191,120,.16));

  /* ----- Glow ----- */
  --glow-cyan: 0 0 0 1px rgba(37,221,200,.30), 0 14px 50px -18px rgba(31,208,163,.55);

  /* ----- Geometry ----- */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --r-xl: 30px;
  --maxw: 1200px;
  --maxw-wide: 1320px;
  --gut: clamp(20px, 5vw, 56px);

  /* ----- Type ----- */
  --f-head: 'Space Grotesk', system-ui, sans-serif;
  --f-body: 'Manrope', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;

  --shadow:    0 24px 70px -30px rgba(0,0,0,.7);
  --shadow-sm: 0 10px 30px -16px rgba(0,0,0,.6);
}

/* ============================== Reset ============================== */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }
body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
::selection { background: rgba(31,208,163,.32); color: #fff; }

/* ============================== Layout ============================== */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.wrap-wide { max-width: var(--maxw-wide); }
section { position: relative; }
.section { padding-block: clamp(64px, 9vw, 130px); }
.section-tight { padding-block: clamp(48px, 6vw, 84px); }

/* Background variants */
.bg-ink   { background: var(--ink); }
.bg-dark  { background: var(--bg); }
.bg-dark2 { background: var(--bg-2); }
.bg-surface { background: var(--surface); }
.bg-light { background: var(--paper); color: var(--text-ink); }
.bg-light .eyebrow { color: var(--text-ink-dim); }

/* ============================== Typography ============================== */
h1,h2,h3,h4 { font-family: var(--f-head); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
.display { font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; }
.h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); letter-spacing: -0.03em; }
.h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); letter-spacing: -0.025em; }
.h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--text-dim); line-height: 1.6; font-weight: 400; }
.bg-light .lead { color: var(--text-ink-dim); }
p { text-wrap: pretty; }
.muted { color: var(--text-mute); }
.dim { color: var(--text-dim); }
.gradient-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* Eyebrow / kicker */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-mono); font-size: .76rem; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase; color: var(--text-dim);
}
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green-bright); box-shadow: 0 0 12px 1px var(--green);
}
.eyebrow.center { justify-content: center; }

/* ============================== Buttons ============================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  letter-spacing: -.01em; transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap; cursor: pointer; position: relative;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: var(--accent-ink); box-shadow: 0 12px 34px -14px rgba(31,208,163,.7); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 46px -16px rgba(31,208,163,.85); }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--text); border: 1px solid var(--line-strong); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); transform: translateY(-2px); }
.btn-dark { background: var(--text-ink); color: #fff; }
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; }
.btn-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--green-bright); }
.btn-link svg { width: 16px; height: 16px; transition: transform .2s ease; }
.btn-link:hover svg { transform: translateX(4px); }
.bg-light .btn-ghost { background: #fff; color: var(--text-ink); border-color: rgba(12,20,36,.14); }
.bg-light .btn-ghost:hover { border-color: rgba(12,20,36,.3); }

/* ============================== Cards ============================== */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
  border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.bg-light .card {
  background: #fff; border-color: rgba(12,20,36,.08);
  box-shadow: 0 1px 2px rgba(12,20,36,.04);
}
.bg-light .card:hover { box-shadow: 0 24px 60px -34px rgba(12,20,36,.35); border-color: rgba(12,20,36,.14); }

/* Icon chip */
.chip {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(37,221,200,.25); color: var(--green-bright);
  flex: none;
}
.chip svg { width: 26px; height: 26px; }
.bg-light .chip { background: linear-gradient(120deg, rgba(46,224,207,.12), rgba(24,191,120,.10)); color: #0f9e6e; border-color: rgba(24,191,120,.22); }

/* Pill / tag */
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line); font-size: .82rem; color: var(--text-dim);
  font-weight: 500;
}
.bg-light .pill { background: #fff; border-color: rgba(12,20,36,.1); color: var(--text-ink-dim); }

/* ============================== Header / Nav ============================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(8,13,26,.78); backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.nav-logo { display: flex; align-items: center; flex: none; }
.nav-logo img { height: 43px; width: auto; max-width: none; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 14px; border-radius: 999px; font-size: .94rem; font-weight: 500; color: var(--text-dim);
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; width: 18px; margin: 3px auto 0;
  background: var(--grad); border-radius: 2px;
}

/* ----- Nav dropdown (Plataformas) ----- */
.nav-item { position: relative; }
.nav-drop-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px; font-size: .94rem; font-weight: 500; color: var(--text-dim);
  font-family: var(--f-body); transition: color .2s ease, background .2s ease;
}
.nav-drop-toggle:hover, .nav-item.open .nav-drop-toggle, .nav-item:hover .nav-drop-toggle { color: var(--text); background: rgba(255,255,255,.05); }
.nav-drop-toggle.active { color: var(--text); }
.nav-drop-toggle .chev { width: 14px; height: 14px; transition: transform .25s ease; }
.nav-item:hover .nav-drop-toggle .chev, .nav-item.open .nav-drop-toggle .chev { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  width: 280px; background: rgba(11,17,34,.96); backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line-strong); border-radius: var(--r-lg); padding: 8px;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .22s ease, transform .22s ease; z-index: 60;
}
.nav-item:hover .nav-dropdown, .nav-item.open .nav-dropdown, .nav-item:focus-within .nav-dropdown {
  opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
.nav-dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.nav-dd-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 12px; border-radius: 12px;
  color: var(--text); transition: background .2s ease;
}
.nav-dd-item:hover { background: rgba(255,255,255,.06); }
.nav-dd-item .dd-ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: var(--grad-soft); border: 1px solid rgba(37,221,200,.25); color: var(--green-bright); }
.nav-dd-item .dd-ic svg { width: 20px; height: 20px; }
.nav-dd-item .dd-tt { display: flex; flex-direction: column; line-height: 1.2; }
.nav-dd-item .dd-name { font-weight: 600; font-size: .96rem; display: flex; align-items: center; gap: 8px; }
.nav-dd-item .dd-desc { font-size: .78rem; color: var(--text-mute); margin-top: 2px; }
.dd-soon { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 999px; background: rgba(255,255,255,.06); color: var(--text-mute); border: 1px solid var(--line); }
.nav-dd-item.is-soon { cursor: default; }
.nav-dd-item.is-soon .dd-ic { color: var(--text-mute); background: rgba(255,255,255,.04); border-color: var(--line); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

/* ----- Language selector (globe) — desktop ----- */
.lang-select { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 12px; border-radius: 999px;
  font-size: .88rem; font-weight: 600; color: var(--text-dim);
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.04);
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.lang-btn:hover, .lang-select .lang-menu.open + .lang-btn,
.lang-btn[aria-expanded="true"] { color: var(--text); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.24); }
.lang-btn svg:first-child { width: 17px; height: 17px; }
.lang-btn .lang-code { font-family: var(--f-mono); letter-spacing: .04em; font-size: .8rem; }
.lang-btn .chev { width: 13px; height: 13px; transition: transform .25s ease; color: var(--text-mute); }
.lang-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 184px; background: rgba(11,17,34,.96); backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line-strong); border-radius: var(--r); padding: 6px;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none;
  transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; z-index: 60;
}
.lang-menu.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
.lang-opt {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 12px; border-radius: 10px; color: var(--text-dim);
  font-size: .9rem; font-weight: 500; text-align: left; transition: background .2s ease, color .2s ease;
}
.lang-opt:hover { background: rgba(255,255,255,.06); color: var(--text); }
.lang-opt .lang-opt-code {
  font-family: var(--f-mono); font-size: .68rem; font-weight: 600; letter-spacing: .04em;
  color: var(--green-bright); background: var(--grad-soft);
  border: 1px solid rgba(37,221,200,.25); border-radius: 6px; padding: 2px 6px; min-width: 48px; text-align: center;
}
.lang-opt .lang-opt-name { flex: 1; }
.lang-opt .lang-opt-tick { width: 16px; height: 16px; color: var(--green-bright); opacity: 0; flex: none; }
.lang-opt.is-active { color: var(--text); }
.lang-opt.is-active .lang-opt-tick { opacity: 1; }

/* ----- Language selector — mobile drawer ----- */
.lang-select-m {
  margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.lang-m-label {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-head); font-size: 1.05rem; font-weight: 500; color: var(--text-dim);
}
.lang-m-label svg { width: 20px; height: 20px; }
.lang-m-opts { display: inline-flex; gap: 8px; flex-wrap: wrap; }
.lang-m-opt {
  font-family: var(--f-mono); font-size: .82rem; font-weight: 600; letter-spacing: .04em;
  padding: 8px 12px; border-radius: 999px; color: var(--text-dim);
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.04); transition: all .2s ease;
}
.lang-m-opt:hover { color: var(--text); border-color: rgba(255,255,255,.24); }
.lang-m-opt.is-active { background: var(--grad); color: var(--accent-ink); border-color: transparent; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; align-items: center; justify-content: center; border: 1px solid var(--line-strong); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); position: relative; transition: .25s; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--text); transition: .25s; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* Mobile drawer */
.mobile-menu {
  position: fixed; inset: 76px 0 0 0; z-index: 99; background: rgba(6,10,20,.97);
  backdrop-filter: blur(20px); transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease; padding: 28px var(--gut) 40px; overflow-y: auto;
}
body.menu-open .mobile-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 4px; font-family: var(--f-head); font-size: 1.5rem; font-weight: 500;
  border-bottom: 1px solid var(--line); color: var(--text);
}
.mobile-menu a:hover { color: var(--green-bright); }
.mobile-menu .btn { margin-top: 26px; width: 100%; }

/* Mobile submenu (Plataformas) */
.m-dropdown { border-bottom: 1px solid var(--line); }
.m-drop-toggle {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: 18px 4px; font-family: var(--f-head); font-size: 1.5rem; font-weight: 500; color: var(--text);
  background: none; border: none; cursor: pointer; text-align: left;
}
.m-drop-toggle .chev { width: 22px; height: 22px; transition: transform .25s ease; color: var(--text-dim); }
.m-dropdown.open .m-drop-toggle .chev { transform: rotate(180deg); }
.m-drop-panel { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.m-dropdown.open .m-drop-panel { max-height: 420px; }
.m-drop-panel a, .m-drop-panel .m-soon {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-body); font-size: 1.05rem; font-weight: 500; padding: 13px 4px 13px 18px;
  border-bottom: 1px solid var(--line); color: var(--text-dim);
}
.m-drop-panel a:last-child, .m-drop-panel .m-soon:last-child { border-bottom: none; }
.m-drop-panel .m-soon { color: var(--text-mute); }
.m-drop-panel .dd-soon { font-size: .58rem; }

/* ============================== Footer ============================== */
.site-footer { background: var(--ink); border-top: 1px solid var(--line); padding-block: 72px 36px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4 { font-family: var(--f-body); font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; color: var(--text-mute); font-weight: 700; margin-bottom: 16px; }
.footer-grid a { display: block; color: var(--text-dim); font-size: .95rem; padding: 7px 0; transition: color .2s; }
.footer-grid a:hover { color: var(--green-bright); }
.footer-brand img { height: 30px; width: auto; max-width: none; margin-bottom: 18px; }
.footer-brand p { color: var(--text-mute); font-size: .95rem; max-width: 32ch; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); color: var(--text-mute); font-size: .86rem; }
.footer-social { display: flex; gap: 10px; }
/* Social links are hidden until JS confirms a configured URL (no flicker). */
.footer-social a { width: 38px; height: 38px; border-radius: 10px; display: none; place-items: center; border: 1px solid var(--line); color: var(--text-dim); }
.footer-social a.is-on { display: grid; }
.footer-social a:hover { color: var(--green-bright); border-color: var(--line-strong); }

/* ============================== Decorative backgrounds ============================== */
.grid-bg::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 78%);
}
.glow {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; opacity: .5;
}
.glow-cyan  { background: radial-gradient(circle, rgba(37,221,200,.5), transparent 70%); }
.glow-green { background: radial-gradient(circle, rgba(24,191,120,.45), transparent 70%); }
.glow-blue  { background: radial-gradient(circle, rgba(47,123,246,.4), transparent 70%); }

/* ============================== Reveal animation ============================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.16,.84,.44,1), transform .7s cubic-bezier(.16,.84,.44,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================== Forms ============================== */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: .86rem; font-weight: 600; color: var(--text-dim); }
.field .req { color: var(--green-bright); }
.input, .textarea, select.input {
  background: rgba(255,255,255,.04); border: 1px solid var(--line-strong); border-radius: 12px;
  padding: 14px 16px; color: var(--text); transition: border-color .2s, box-shadow .2s, background .2s; width: 100%;
}
.input::placeholder, .textarea::placeholder { color: var(--text-mute); }
.input:focus, .textarea:focus, select.input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(31,208,163,.15); background: rgba(255,255,255,.06); }
.textarea { resize: vertical; min-height: 130px; }
.field.error .input, .field.error .textarea, .field.error select.input { border-color: #f4607a; box-shadow: 0 0 0 4px rgba(244,96,122,.14); }
.field .err-msg { font-size: .8rem; color: #ff8298; display: none; }
.field.error .err-msg { display: block; }
.form-success {
  display: none; align-items: center; gap: 12px; padding: 16px 20px; border-radius: 14px; margin-top: 16px;
  background: var(--grad-soft); border: 1px solid rgba(31,208,163,.35); color: var(--green-bright); font-weight: 600;
}
.form-success.show { display: flex; }

/* ============================== WhatsApp FAB ============================== */
/* Hidden until JS confirms WhatsApp is enabled + configured (avoids show-then-hide flicker). */
.wa-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: none; place-items: center; box-shadow: 0 14px 34px -10px rgba(37,211,102,.6);
  transition: transform .2s ease; color: #fff;
}
.wa-fab.is-on { display: grid; }
.wa-fab:hover { transform: scale(1.08) translateY(-2px); }
.wa-fab svg { width: 30px; height: 30px; }
.wa-fab::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366;
  animation: wa-ping 2.4s ease-out infinite;
}
@keyframes wa-ping { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.7); opacity: 0; } }

/* ============================== Utility ============================== */
.grid { display: grid; gap: 24px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: 12px; } .gap { gap: 20px; } .gap-lg { gap: 40px; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.mt-sm { margin-top: 14px; } .mt { margin-top: 26px; } .mt-lg { margin-top: 44px; }
.maxw-sm { max-width: 540px; } .maxw-md { max-width: 720px; } .maxw-lg { max-width: 880px; }
.divider { height: 1px; background: var(--line); border: 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.stat-num { font-family: var(--f-head); font-size: clamp(2.2rem,4vw,3.2rem); font-weight: 600; line-height: 1; letter-spacing: -.03em; }

/* Section header block */
.section-head { max-width: 680px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .h2 { margin-top: 14px; }
.section-head .lead { margin-top: 16px; }

/* ============================== Responsive ============================== */
@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cols-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
  .nav-links, .nav-cta .btn, .nav-cta .lang-select { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { gap: 0; }
  .cols-3 { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .cols-2, .cols-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn-row .btn { width: 100%; }
}