/* ===================================================================
   ZentraVen — styles.css
   =================================================================== */

:root {
  --bg: #05060e;
  --bg-2: #090b1a;
  --surface: rgba(255, 255, 255, 0.028);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #eef1fb;
  --muted: #9aa2c4;
  --muted-2: #6f7899;

  --blue: #2f6bff;
  --indigo: #4353ff;
  --purple: #7c3aed;
  --violet: #a855f7;
  --cyan: #22d3ee;

  --grad: linear-gradient(120deg, #2f6bff 0%, #6d3ff0 55%, #a855f7 100%);
  --grad-soft: linear-gradient(120deg, rgba(47, 107, 255, 0.22), rgba(168, 85, 247, 0.22));

  --shadow-glow: 0 20px 60px -20px rgba(76, 79, 255, 0.55);
  --radius: 20px;
  --radius-sm: 12px;
  --maxw: 1160px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.only-desktop { display: none; }

/* ---------- Background canvas + cursor glow ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  display: block;
}

#cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 640px; height: 640px;
  margin: -320px 0 0 -320px;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle, rgba(88, 84, 255, 0.14) 0%, rgba(168, 85, 247, 0.07) 35%, transparent 70%);
  opacity: 0;
  transition: opacity 0.6s ease;
  will-change: transform;
}

/* ---------- Top gradient veil ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1000px 600px at 50% -10%, rgba(67, 83, 255, 0.20), transparent 60%),
    radial-gradient(800px 500px at 85% 15%, rgba(168, 85, 247, 0.14), transparent 65%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

/* =========================== NAV =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6, 7, 18, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; min-width: 0; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand__logo { width: 34px; height: 34px; object-fit: contain; filter: drop-shadow(0 0 12px rgba(88, 84, 255, 0.55)); }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -0.02em; }
.brand__accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav__links { display: flex; gap: 30px; min-width: 0; }
.nav__links a {
  font-size: 0.92rem;
  color: var(--muted);
  position: relative;
  transition: color 0.25s ease;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; border-radius: 2px;
  background: var(--grad);
  transition: width 0.3s ease;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.nav__toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px; height: 40px;
  border-radius: 10px;
  font-size: 1.25rem;
}

.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 1.1rem;
  transition: all 0.25s ease;
}
.icon-btn:hover {
  color: #fff;
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}

/* =========================== BUTTONS =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 13px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-body);
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn i { font-size: 1.15em; }
.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
  background-size: 160% 160%;
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 26px 70px -18px rgba(76, 79, 255, 0.7); }
.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { background: var(--surface-2); border-color: var(--border-strong); transform: translateY(-3px); }
.btn--outline {
  background: transparent;
  border-color: rgba(124, 58, 237, 0.55);
  color: #d9d6ff;
}
.btn--outline:hover { background: rgba(124, 58, 237, 0.14); transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 0.86rem; border-radius: 11px; }
.btn--lg { padding: 16px 30px; font-size: 1.02rem; border-radius: 15px; }
.btn--full { width: 100%; }

.btn--plan {
  color: #ece9ff;
  border: 1px solid rgba(124, 58, 237, 0.45);
  background: linear-gradient(120deg, #3358d6 0%, #6d3fd0 60%, #8b4fd6 100%);
  background-size: 180% 180%;
}
.btn--plan:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.7);
  background-position: 100% 50%;
  box-shadow: 0 14px 30px -20px rgba(0, 0, 0, 0.9);
}

.btn--glow {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(120deg, #2f6bff 0%, #6d3ff0 45%, #a855f7 100%);
  background-size: 220% 220%;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.28);
  box-shadow:
    0 10px 30px -10px rgba(76, 79, 255, 0.95),
    0 0 26px -6px rgba(168, 85, 247, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  animation: btn-pan 5.5s ease-in-out infinite;
}
.btn--glow::after {
  content: "";
  position: absolute;
  top: -30%; left: -60%;
  width: 40%; height: 160%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
  animation: btn-shine 3.8s ease-in-out infinite;
}
.btn--glow:hover {
  transform: translateY(-3px) scale(1.015);
  box-shadow:
    0 18px 46px -10px rgba(76, 79, 255, 1),
    0 0 44px -4px rgba(168, 85, 247, 0.95),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.btn--glow:active { transform: translateY(-1px) scale(0.99); }
@keyframes btn-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes btn-shine {
  0% { left: -60%; opacity: 0; }
  25% { opacity: 1; }
  60% { left: 130%; opacity: 0; }
  100% { left: 130%; opacity: 0; }
}

/* =========================== HERO =========================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 130px 0 70px;
  text-align: center;
}
.hero__inner { display: flex; flex-direction: column; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: #c7cbe8;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.pill i { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero__title {
  margin-top: 26px;
  font-size: clamp(2.5rem, 7.2vw, 5.1rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}
.hero__title .grad {
  background: linear-gradient(100deg, #3f7cff 0%, #7b5cff 45%, #b06bff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 80px rgba(110, 80, 255, 0.35);
}
.hero__sub {
  margin-top: 24px;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
}
.hero__sub strong { color: #d7dcf5; font-weight: 600; }

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 36px; }

.demo-banner {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 720px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(47, 107, 255, 0.09), rgba(168, 85, 247, 0.09));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-align: left;
}
.demo-banner__icon {
  flex: 0 0 auto;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--grad);
  color: #fff;
  font-size: 1.3rem;
  box-shadow: var(--shadow-glow);
}
.demo-banner__text { flex: 1 1 300px; color: var(--muted); font-size: 0.94rem; }
.demo-banner__text strong { color: var(--text); }
.demo-banner__text em { color: #c9b8ff; font-style: normal; font-weight: 600; }

.hero__stats {
  margin-top: 54px;
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  justify-content: center;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat__num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.stat__num small { font-size: 1rem; color: var(--muted); }
.stat__label { color: var(--muted-2); font-size: 0.82rem; }

/* =========================== SECTIONS =========================== */
.section { position: relative; padding: 110px 0; }
.section--tint { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018) 20%, rgba(255, 255, 255, 0.018) 80%, transparent); }

.section__head { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section__head--sub { margin-top: 100px; margin-bottom: 48px; }
.section__head h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
.section__head p { margin-top: 18px; color: var(--muted); font-size: 1.04rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b9c0e8;
}
.eyebrow i { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.05rem; }

/* =========================== GRIDS =========================== */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* =========================== CARDS (services) =========================== */
.card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 30px 70px -30px rgba(60, 70, 200, 0.7); }
.card:hover::after { opacity: 0.8; }

.card__icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 15px;
  margin-bottom: 22px;
  font-size: 1.6rem;
  color: #fff;
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.9), rgba(124, 58, 237, 0.9));
  box-shadow: 0 14px 34px -14px rgba(88, 84, 255, 0.9);
}
.card h3 { font-size: 1.32rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 0.95rem; }

.card__list { margin-top: 20px; display: grid; gap: 10px; }
.card__list li { display: flex; align-items: center; gap: 10px; color: #c6cbe8; font-size: 0.9rem; }
.card__list i { color: #7f9cff; font-size: 1.05rem; }

/* =========================== FEATURES (quality) =========================== */
.feature {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}
.feature:hover { transform: translateY(-6px); border-color: var(--border-strong); background: var(--surface-2); }
.feature__icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: 14px;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: #eae8ff;
  background: rgba(124, 58, 237, 0.16);
  border: 1px solid rgba(124, 58, 237, 0.35);
}
.feature h3 { font-size: 1.16rem; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: 0.92rem; }

.feature--highlight {
  background: linear-gradient(160deg, rgba(47, 107, 255, 0.16), rgba(168, 85, 247, 0.13));
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: 0 24px 60px -30px rgba(110, 70, 240, 0.9);
}
.feature--highlight .feature__icon { background: var(--grad); border-color: transparent; box-shadow: var(--shadow-glow); }
.feature__ribbon {
  position: absolute;
  top: 16px; right: 16px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--grad);
}
.feature__ribbon i { font-size: 0.95rem; }

/* =========================== PRICE CARDS =========================== */
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012));
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.price-card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: 0 30px 70px -34px rgba(60, 70, 200, 0.75); }
.price-card--featured {
  border-color: rgba(124, 58, 237, 0.55);
  background: linear-gradient(180deg, rgba(47, 107, 255, 0.12), rgba(168, 85, 247, 0.07));
  box-shadow: 0 30px 80px -40px rgba(110, 70, 240, 1);
}
.price-card__tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b8c0ec;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}
.price-card__badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 15px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--shadow-glow);
  white-space: nowrap;
}
.price-card h3 { margin-top: 18px; font-size: 1.3rem; }
.price {
  margin: 14px 0 6px;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #ffffff, #c7c2ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.price__cur { font-size: 1.5rem; vertical-align: super; margin-right: 2px; }
.price small { font-size: 0.9rem; color: var(--muted); font-weight: 500; margin-left: 4px; letter-spacing: 0; }
.price-card__desc { color: var(--muted); font-size: 0.92rem; min-height: 44px; }
.price-card__list { margin: 22px 0 26px; display: grid; gap: 11px; flex: 1; }
.price-card__list li { display: flex; align-items: center; gap: 10px; color: #c9cee9; font-size: 0.9rem; }
.price-card__list i { color: #7f9cff; font-size: 1rem; }

/* =========================== DEMO CTA band =========================== */
.demo-cta {
  margin-top: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding: 34px 38px;
  border-radius: 26px;
  border: 1px solid rgba(124, 58, 237, 0.4);
  background:
    radial-gradient(600px 240px at 0% 0%, rgba(47, 107, 255, 0.22), transparent 70%),
    radial-gradient(600px 240px at 100% 100%, rgba(168, 85, 247, 0.2), transparent 70%),
    rgba(255, 255, 255, 0.02);
}
.demo-cta h3 { font-size: 1.5rem; display: flex; align-items: center; gap: 10px; }
.demo-cta h3 i { color: #b98cff; }
.demo-cta p { margin-top: 8px; color: var(--muted); max-width: 560px; }

/* =========================== MAINTENANCE =========================== */
.maint { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.maint__content h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 18px; }
.maint__lead { color: var(--muted); font-size: 1.04rem; }
.maint__lead strong { color: #fff; }

.maint__formula {
  margin: 26px 0;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.maint__formula-label { display: block; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px; }
.maint__formula-row { display: flex; align-items: center; gap: 14px; font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.maint__formula-row i { color: var(--muted-2); }
.maint__formula-result {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-size: 1.35rem;
}

.maint__list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 30px; }
.maint__list li { display: flex; align-items: center; gap: 10px; color: #c9cee9; font-size: 0.92rem; }
.maint__list i { color: #8b7bff; font-size: 1.1rem; }

.maint__visual { position: relative; display: grid; place-items: center; min-height: 380px; }
.maint__ring {
  width: 300px; height: 300px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(from 0deg, #2f6bff, #7c3aed, #a855f7, #22d3ee, #2f6bff);
  padding: 3px;
  animation: spin 14s linear infinite;
  box-shadow: 0 0 90px -20px rgba(110, 70, 240, 0.8);
}
@keyframes spin { to { transform: rotate(360deg); } }
.maint__ring-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, #12142c, #080a18 70%);
  animation: spin 14s linear infinite reverse;
}
.maint__pct { font-family: var(--font-display); font-size: 4.6rem; font-weight: 700; line-height: 1; }
.maint__pct small { font-size: 2rem; }
.maint__pct-label { display: block; margin-top: 6px; color: var(--muted); font-size: 0.85rem; }

.maint__float {
  position: absolute;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: rgba(12, 14, 32, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.84rem;
  font-weight: 500;
  box-shadow: 0 16px 40px -20px rgba(0, 0, 0, 0.9);
  animation: floaty 5s ease-in-out infinite;
}
.maint__float i { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.1rem; }
.maint__float--1 { top: 24px; left: 0; animation-delay: 0s; }
.maint__float--2 { top: 50%; right: 0; animation-delay: 1.2s; }
.maint__float--3 { bottom: 26px; left: 24px; animation-delay: 2.4s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* =========================== CTA / CONTACT =========================== */
.cta {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 40px;
  border-radius: 32px;
  border: 1px solid var(--border);
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(67, 83, 255, 0.2), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01));
  overflow: hidden;
}
.cta h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); }
.cta > p { margin: 20px auto 0; max-width: 560px; color: var(--muted); font-size: 1.06rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 36px; }
.cta__socials {
  margin-top: 34px;
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}
.cta__socials a { display: inline-flex; align-items: center; gap: 8px; transition: color 0.25s ease; }
.cta__socials a:hover { color: #fff; }
.cta__socials i { font-size: 1.15rem; }
.cta__dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted-2); }
.cta__note {
  margin-top: 30px;
  display: inline-block;
  padding: 10px 20px;
  border-radius: 100px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: #d6ccff;
  font-size: 0.88rem;
}
.cta__note i { color: #b98cff; margin-right: 4px; }

/* =========================== FOOTER =========================== */
.footer { padding: 60px 0 46px; border-top: 1px solid var(--border); margin-top: 60px; }
.footer__inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; }
.footer__tagline { color: var(--muted); font-size: 0.94rem; }
.footer__socials { display: flex; gap: 10px; }
.footer__copy { color: var(--muted-2); font-size: 0.82rem; margin-top: 6px; }

/* =========================== WHATSAPP FAB =========================== */
.wa-fab {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 200;
  width: 62px; height: 62px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 18px 40px -12px rgba(88, 84, 255, 0.85);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.wa-fab:hover { transform: scale(1.08); box-shadow: 0 22px 52px -12px rgba(120, 90, 255, 0.95); }
.wa-fab__icon { position: relative; z-index: 3; font-size: 1.85rem; line-height: 1; display: grid; place-items: center; }
.wa-fab__icon i { animation: wa-beat 2.4s ease-in-out infinite; }
@keyframes wa-beat {
  0%, 100% { transform: scale(1); }
  12% { transform: scale(1.16); }
  24% { transform: scale(1); }
  36% { transform: scale(1.1); }
  48% { transform: scale(1); }
}

.wa-fab__rings, .wa-fab__particles { position: absolute; inset: 0; pointer-events: none; }
.wa-fab__ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(140, 120, 255, 0.7);
  animation: wa-ring 2.6s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}
.wa-fab__ring:nth-child(2) { animation-delay: 1.3s; }
@keyframes wa-ring {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(2.1); opacity: 0; }
}

.wa-particle {
  position: absolute;
  top: 50%; left: 50%;
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6d9bff, #b06bff);
  box-shadow: 0 0 10px rgba(120, 90, 255, 0.9);
  opacity: 0;
  animation: wa-particle 1.8s ease-out forwards;
}
@keyframes wa-particle {
  0% { transform: translate(0, 0) scale(0.4); opacity: 0; }
  18% { opacity: 1; }
  100% { transform: translate(var(--px), var(--py)) scale(1); opacity: 0; }
}

/* =========================== REVEAL =========================== */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================== RESPONSIVE =========================== */
@media (min-width: 900px) { .only-desktop { display: inline; } }

@media (max-width: 1080px) {
  .nav__inner { gap: 14px; }
  .nav__links { gap: 16px; }
  .nav__links a { font-size: 0.86rem; }
  .nav .btn--primary .btn__label { display: none; }
  .nav .btn--primary { padding: 9px 12px; }
}

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .maint { grid-template-columns: 1fr; gap: 50px; }
  .maint__visual { order: -1; min-height: 320px; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 18px 24px 26px;
    background: rgba(6, 7, 18, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-140%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 10px 0; font-size: 1rem; }
  .nav__toggle { display: grid; place-items: center; }
  .grid--3 { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .nav .icon-btn { display: none; }
  .grid--4 { grid-template-columns: 1fr; }
  .hero { padding-top: 116px; }
  .hero__stats { gap: 30px; }
  .demo-cta { padding: 26px 22px; }
  .cta { padding: 44px 22px; }
  .maint__list { grid-template-columns: 1fr; }
  .maint__visual { min-height: 300px; }
  .maint__ring { width: 240px; height: 240px; }
  .maint__pct { font-size: 3.6rem; }
  .wa-fab { right: 18px; bottom: 18px; width: 58px; height: 58px; }
  .btn--lg { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}