:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --text: #0f172a;
  --text-muted: #64748b;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-dark: #0b1220;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  --header-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, .btn { cursor: pointer; border: 0; font: inherit; }
.container { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

/* Header fixo no topo — vidro fosco branco */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(20px) saturate(1.35);
  -webkit-backdrop-filter: blur(20px) saturate(1.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 4px 24px rgba(15, 23, 42, 0.05),
    0 8px 32px rgba(255, 255, 255, 0.25);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.12) 42%,
    transparent 100%
  );
  pointer-events: none;
}
.site-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.95) 20%,
    rgba(255, 255, 255, 1) 50%,
    rgba(255, 255, 255, 0.95) 80%,
    transparent
  );
  opacity: 0.85;
  pointer-events: none;
}
.header-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; min-width: 0; }
.brand img { height: 36px; width: auto; flex-shrink: 0; }
.brand-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-desktop { display: flex; align-items: center; gap: 28px; }
.nav-desktop a { color: var(--text-muted); font-size: .95rem; font-weight: 500; transition: color .2s; }
.nav-desktop a:hover { color: var(--primary); }
.header-cta { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 35%, transparent); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
main { padding-top: var(--header-h); }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background-color: #f8fbff;
  background-image:
    linear-gradient(180deg, rgba(240, 247, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 60%),
    linear-gradient(rgba(148, 163, 184, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.14) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero-float-icons {
  position: absolute;
  inset: -28px -16px 0 -16px;
  pointer-events: none;
  z-index: 3;
}
.float-icon {
  --r: 0deg;
  --float-dur: 4.8s;
  --float-delay: 0s;
  position: absolute;
  width: 54px;
  height: 54px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 14px 32px rgba(15, 23, 42, 0.14),
    0 4px 12px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  display: grid;
  place-items: center;
  transform: rotate(var(--r));
  animation: float-alive var(--float-dur) ease-in-out infinite;
  animation-delay: var(--float-delay);
  isolation: isolate;
}
.float-icon::after {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -14px;
  height: 22px;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    color-mix(in srgb, var(--primary) 75%, #60a5fa) 0%,
    color-mix(in srgb, var(--primary) 45%, transparent) 42%,
    transparent 72%
  );
  filter: blur(11px);
  opacity: 0.8;
  animation: float-glow var(--float-dur) ease-in-out infinite;
  animation-delay: var(--float-delay);
}
.float-icon svg {
  position: relative;
  z-index: 1;
  width: 30px;
  height: 30px;
  filter: drop-shadow(0 2px 4px rgba(15, 23, 42, 0.08));
}
.float-icon--btc { top: 8%; left: -4%; --float-delay: 0s; --float-dur: 5.2s; }
.float-icon--tsla { top: 2%; right: 2%; --float-delay: -1.1s; --float-dur: 4.6s; }
.float-icon--aapl { top: 38%; left: -8%; --float-delay: -2.3s; --float-dur: 5.8s; }
.float-icon--msft { top: 32%; right: -6%; --float-delay: -0.7s; --float-dur: 5s; }
.float-icon--eth { bottom: 18%; right: 8%; --float-delay: -1.8s; --float-dur: 4.4s; }
@keyframes float-alive {
  0%, 100% {
    transform: translateY(0) translateX(0) rotate(var(--r)) scale(1);
    box-shadow:
      0 14px 32px rgba(15, 23, 42, 0.14),
      0 4px 12px rgba(15, 23, 42, 0.08),
      0 10px 24px color-mix(in srgb, var(--primary) 22%, transparent),
      inset 0 1px 0 rgba(255, 255, 255, 1);
  }
  33% {
    transform: translateY(-11px) translateX(4px) rotate(calc(var(--r) + 5deg)) scale(1.04);
    box-shadow:
      0 22px 40px rgba(15, 23, 42, 0.16),
      0 8px 18px rgba(15, 23, 42, 0.1),
      0 18px 36px color-mix(in srgb, var(--primary) 32%, transparent),
      inset 0 1px 0 rgba(255, 255, 255, 1);
  }
  66% {
    transform: translateY(-5px) translateX(-3px) rotate(calc(var(--r) - 4deg)) scale(1.02);
    box-shadow:
      0 18px 36px rgba(15, 23, 42, 0.15),
      0 6px 14px rgba(15, 23, 42, 0.09),
      0 14px 30px color-mix(in srgb, var(--primary) 26%, transparent),
      inset 0 1px 0 rgba(255, 255, 255, 1);
  }
}
@keyframes float-glow {
  0%, 100% {
    opacity: 0.65;
    transform: scaleX(1) scaleY(0.95);
    filter: blur(11px);
  }
  33% {
    opacity: 1;
    transform: scaleX(1.2) scaleY(1.15);
    filter: blur(15px);
  }
  66% {
    opacity: 0.82;
    transform: scaleX(1.08) scaleY(1.05);
    filter: blur(13px);
  }
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 8px 14px; font-size: .85rem; color: var(--text-muted); margin-bottom: 20px;
  position: relative;
  z-index: 2;
}
.hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}
.hero-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 2;
}
/* Platform preview — MacBook de frente + neon na cor base */
.platform-showcase {
  position: relative;
  width: 100%;
  padding: 8px 0 24px;
}
.platform-showcase-glow {
  position: absolute;
  inset: 0 -16px 20px;
  border-radius: 32px;
  background: radial-gradient(ellipse at center 40%, color-mix(in srgb, var(--primary) 55%, transparent) 0%, transparent 72%);
  filter: blur(32px);
  opacity: 0.75;
  z-index: 0;
  pointer-events: none;
  animation: neon-breathe 3.2s ease-in-out infinite;
}
.platform-showcase::before {
  content: '';
  position: absolute;
  inset: 4px -8px 28px;
  border-radius: 30px;
  box-shadow:
    0 0 20px color-mix(in srgb, var(--primary) 70%, transparent),
    0 0 50px color-mix(in srgb, var(--primary) 45%, transparent),
    0 0 100px color-mix(in srgb, var(--primary) 22%, transparent);
  z-index: 0;
  pointer-events: none;
  animation: neon-ring 3.8s ease-in-out infinite;
}
.platform-showcase::after {
  content: '';
  position: absolute;
  inset: 12px -6px 30px;
  border-radius: 28px;
  background: radial-gradient(ellipse at 50% 70%, color-mix(in srgb, var(--primary) 30%, transparent), transparent 65%);
  z-index: 0;
  pointer-events: none;
  animation: neon-breathe-alt 4.5s ease-in-out infinite;
}
.macbook-screen,
.iphone-screen {
  animation: screen-neon 3.5s ease-in-out infinite;
}
@keyframes neon-breathe {
  0%, 100% { opacity: 0.5; transform: scale(0.97); filter: blur(28px); }
  40% { opacity: 0.95; transform: scale(1.04); filter: blur(38px); }
  70% { opacity: 0.65; transform: scale(1.01); filter: blur(32px); }
}
@keyframes neon-breathe-alt {
  0%, 100% { opacity: 0.3; transform: scale(0.99); }
  50% { opacity: 0.7; transform: scale(1.03); }
}
@keyframes neon-ring {
  0%, 100% {
    box-shadow:
      0 0 14px color-mix(in srgb, var(--primary) 45%, transparent),
      0 0 36px color-mix(in srgb, var(--primary) 28%, transparent);
  }
  50% {
    box-shadow:
      0 0 26px color-mix(in srgb, var(--primary) 80%, transparent),
      0 0 60px color-mix(in srgb, var(--primary) 50%, transparent),
      0 0 110px color-mix(in srgb, var(--primary) 28%, transparent);
  }
}
@keyframes screen-neon {
  0%, 100% {
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.04),
      0 0 12px color-mix(in srgb, var(--primary) 22%, transparent);
  }
  50% {
    box-shadow:
      inset 0 0 0 1px rgba(255, 255, 255, 0.06),
      0 0 28px color-mix(in srgb, var(--primary) 55%, transparent),
      0 0 48px color-mix(in srgb, var(--primary) 25%, transparent);
  }
}

/* MacBook mockup — vista frontal */
.macbook {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  transform: perspective(1600px) rotateX(2deg);
}
.macbook-lid {
  position: relative;
  background: linear-gradient(180deg, #48484a 0%, #2c2c2e 8%, #1d1d1f 100%);
  border-radius: 10px 10px 4px 4px;
  padding: 4px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 4px 24px rgba(0, 0, 0, 0.35);
}
.macbook-notch {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 52px;
  height: 11px;
  margin: 0;
  background: #1d1d1f;
  border-radius: 0 0 8px 8px;
  z-index: 3;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.06);
  pointer-events: none;
}
.macbook-notch::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #0a0a0c;
  box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.8);
}
.macbook-screen {
  background: #0a0a0c;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, #1a1a1a);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 0 16px color-mix(in srgb, var(--primary) 30%, transparent);
}
.macbook-screen img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
}
.macbook-hinge {
  height: 2px;
  margin: 0 18px;
  background: linear-gradient(180deg, #252527, #121214);
  border-radius: 0 0 2px 2px;
}
.macbook-base {
  background: linear-gradient(180deg, #3a3a3c 0%, #2c2c2e 40%, #252527 100%);
  border-radius: 0 0 10px 10px;
  padding: 5px 14px 7px;
  margin: 0 -2px;
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.macbook-keyboard {
  height: 12px;
  border-radius: 3px;
  margin-bottom: 4px;
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,.15) 0 1px, transparent 1px 7px),
    linear-gradient(180deg, #323234, #28282a);
  opacity: 0.85;
}
.macbook-trackpad {
  width: 22%;
  height: 8px;
  margin: 0 auto;
  border-radius: 3px;
  background: linear-gradient(180deg, #2a2a2c, #1e1e20);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.45);
}
.platform-showcase--hero .macbook {
  max-width: 720px;
}
.section-dark .platform-showcase-glow {
  opacity: 0.95;
}
.section-dark .macbook-screen {
  border-color: color-mix(in srgb, var(--primary) 50%, #1a1a1a);
}

/* Celulares — mockup + neon */
.phones-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  max-width: 720px;
  margin: 0 auto;
  align-items: start;
}
.phone-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.phone-label {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}
.platform-showcase--phone {
  width: 100%;
  max-width: 280px;
  padding: 12px 0 8px;
}
.platform-showcase--phone .platform-showcase-glow {
  inset: -8px -12px 4px;
  border-radius: 40px;
}
.platform-showcase--phone::before {
  inset: 2px -6px 8px;
  border-radius: 38px;
}
.iphone {
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
}
.iphone-frame {
  background: linear-gradient(160deg, #4a4a4c 0%, #2c2c2e 30%, #1a1a1c 100%);
  border-radius: 40px;
  padding: 10px 8px 12px;
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.iphone-island {
  width: 88px;
  height: 22px;
  margin: 2px auto 8px;
  background: #0a0a0c;
  border-radius: 14px;
  position: relative;
  z-index: 2;
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.6);
}
.iphone-screen {
  border-radius: 32px;
  overflow: hidden;
  background: #000;
  border: 2px solid color-mix(in srgb, var(--primary) 40%, #1a1a1a);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 0 20px color-mix(in srgb, var(--primary) 35%, transparent);
}
.iphone-screen img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: top center;
}
.iphone-bar {
  width: 96px;
  height: 4px;
  margin: 10px auto 2px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.25);
}

/* Cards */
.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.section-title { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-title h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; letter-spacing: -.02em; }
.section-title p { color: var(--text-muted); }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 22px; box-shadow: var(--shadow); transition: transform .2s, border-color .2s;
}
.feature-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--primary) 30%, var(--border)); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 12%, #fff);
  color: var(--primary); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: .92rem; }

/* Dark section */
.section-dark {
  background: var(--bg-dark);
  color: #e2e8f0;
  padding: 80px 0;
}
.dark-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.section-dark h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; color: #fff; }
.section-dark p { color: #94a3b8; margin-bottom: 24px; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list li::before { content: '✓'; color: var(--primary-light); font-weight: 700; flex-shrink: 0; }

/* Benefits */
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-item { padding: 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); }
.benefit-item h3 { margin-bottom: 8px; font-size: 1rem; }
.benefit-item p { color: var(--text-muted); font-size: .92rem; }

/* Pricing — metálico escuro + neon */
.pricing-section {
  background: linear-gradient(180deg, #080c12 0%, #111827 45%, #0a0e14 100%);
  position: relative;
  overflow: hidden;
}
.pricing-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 55%);
  pointer-events: none;
}
.section-title--light h2 { color: #f1f5f9; }
.section-title--light p { color: #94a3b8; }
.pricing-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  align-items: stretch;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.pricing-card-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card-glow {
  position: absolute;
  inset: -10px;
  border-radius: 28px;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--primary) 45%, transparent) 0%, transparent 72%);
  filter: blur(26px);
  opacity: 0.65;
  z-index: 0;
  pointer-events: none;
  animation: neon-breathe 3.6s ease-in-out infinite;
}
.pricing-card-wrap:nth-child(2) .pricing-card-glow { animation-delay: -1.2s; }
.pricing-card-wrap:nth-child(3) .pricing-card-glow { animation-delay: -2.4s; }
.pricing-card {
  position: relative;
  z-index: 1;
  width: 100%;
  background: linear-gradient(155deg, #2d3139 0%, #1c1f26 35%, #13161c 70%, #181b22 100%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 24px;
  padding: 36px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    inset 0 -2px 8px rgba(0, 0, 0, 0.35),
    0 24px 48px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: linear-gradient(125deg, rgba(255,255,255,0.06) 0%, transparent 40%, transparent 60%, rgba(255,255,255,0.03) 100%);
  pointer-events: none;
}
.pricing-card--highlight {
  border-color: color-mix(in srgb, var(--primary) 55%, rgba(255,255,255,0.1));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -2px 8px rgba(0, 0, 0, 0.35),
    0 0 30px color-mix(in srgb, var(--primary) 25%, transparent),
    0 24px 48px rgba(0, 0, 0, 0.5);
}
.pricing-card .plan-name {
  color: var(--primary-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .85rem;
  position: relative;
}
.pricing-card .price {
  font-size: 2.8rem;
  font-weight: 800;
  margin: 12px 0 6px;
  color: #f8fafc;
  position: relative;
}
.pricing-card .price-note {
  color: #94a3b8;
  font-size: .9rem;
  margin-bottom: 24px;
  position: relative;
}
.pricing-features {
  text-align: left;
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
  position: relative;
}
.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  gap: 10px;
  color: #cbd5e1;
}
.pricing-features li::before { content: '✓'; color: var(--primary-light); font-weight: 700; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: step; }
.step-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 18px; text-align: center; position: relative;
}
.step-card::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 36px; height: 36px; margin: 0 auto 14px;
  background: var(--primary); color: #fff; border-radius: 50%; font-weight: 700;
}
.step-card h3 { font-size: .95rem; margin-bottom: 6px; }
.step-card p { color: var(--text-muted); font-size: .82rem; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fff; }
.faq-q {
  width: 100%; text-align: left; padding: 18px 20px; background: #fff;
  display: flex; justify-content: space-between; align-items: center; font-weight: 600;
}
.faq-q span { font-size: 1.2rem; color: var(--primary); transition: transform .2s; }
.faq-item.open .faq-q span { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-a-inner { padding: 0 20px 18px; color: var(--text-muted); font-size: .95rem; }
.faq-item.open .faq-a { max-height: 200px; }

/* Form — escuro */
.contact-section {
  background: linear-gradient(180deg, #0a0e14 0%, #121820 50%, #0d1117 100%);
  position: relative;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, color-mix(in srgb, var(--primary) 6%, transparent), transparent 50%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.contact-info h2 { font-size: 1.8rem; margin-bottom: 12px; color: #f1f5f9; }
.contact-info p { color: #94a3b8; margin-bottom: 20px; }
.contact-section .check-list li { color: #cbd5e1; }
.contact-form {
  background: linear-gradient(160deg, #1a1f28 0%, #12161d 50%, #0f1319 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 28px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 24px 50px rgba(0, 0, 0, 0.4);
  position: relative;
}
.contact-form::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 24px;
  box-shadow: 0 0 40px color-mix(in srgb, var(--primary) 18%, transparent);
  z-index: -1;
  animation: neon-ring 4.2s ease-in-out infinite;
  pointer-events: none;
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: 6px; color: #cbd5e1; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font: inherit;
  background: #0a0d12;
  color: #f1f5f9;
  transition: border-color .2s, box-shadow .2s;
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #64748b; }
.form-row select option { background: #1a1f28; color: #f1f5f9; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--primary) 60%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent), 0 0 20px color-mix(in srgb, var(--primary) 15%, transparent);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: #94a3b8; }
.form-check input { margin-top: 4px; width: auto; accent-color: var(--primary); }
.form-msg { margin-top: 12px; font-size: .9rem; padding: 10px 14px; border-radius: 8px; display: none; }
.form-msg.ok { display: block; background: rgba(22, 101, 52, 0.25); color: #86efac; border: 1px solid rgba(34, 197, 94, 0.3); }
.form-msg.err { display: block; background: rgba(127, 29, 29, 0.25); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Glitter azul caindo */
.glitter-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  overflow: hidden;
}
.glitter-particle {
  position: absolute;
  top: -10px;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.55);
  box-shadow: 0 0 4px rgba(59, 130, 246, 0.4);
  animation: glitter-fall linear infinite;
}
.glitter-particle--lg {
  width: 3px;
  height: 3px;
  background: rgba(147, 197, 253, 0.45);
}
@keyframes glitter-fall {
  0% {
    transform: translateY(-10px) translateX(0) rotate(0deg);
    opacity: 0;
  }
  8% { opacity: var(--glitter-opacity, 0.35); }
  92% { opacity: var(--glitter-opacity, 0.35); }
  100% {
    transform: translateY(100vh) translateX(20px) rotate(360deg);
    opacity: 0;
  }
}

/* Footer */
.site-footer {
  background: var(--bg-dark); color: #94a3b8; padding: 48px 0 28px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-grid h4 { color: #fff; margin-bottom: 12px; font-size: .95rem; }
.footer-grid a { display: block; color: #94a3b8; margin-bottom: 8px; font-size: .9rem; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #1f2937; padding-top: 20px; font-size: .85rem; text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .phones-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 100%;
    padding: 0 2px;
  }
  .platform-showcase--phone {
    max-width: none;
    padding: 6px 0 2px;
  }
  .iphone-frame {
    border-radius: 28px;
    padding: 6px 5px 8px;
  }
  .iphone-island {
    width: 52px;
    height: 14px;
    margin: 1px auto 5px;
    border-radius: 10px;
  }
  .iphone-screen { border-radius: 22px; }
  .iphone-bar {
    width: 52px;
    height: 3px;
    margin: 6px auto 1px;
  }
  .phone-item { gap: 8px; }
  .phone-label { font-size: .78rem; text-align: center; }
  #mobile .section-title { margin-bottom: 28px; }
  #mobile .section-title h2 { font-size: 1.35rem; }
  #mobile .section-title p { font-size: .9rem; }
  .nav-desktop, .header-cta .header-explore { display: none; }
  .header-inner { gap: 12px; }
  .header-cta { margin-left: auto; flex-shrink: 0; }
  .header-cta .header-demo { padding: 10px 16px; font-size: .85rem; }
  .brand-name { font-size: 1rem; max-width: 42vw; }
  .hero-grid, .dark-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .platform-showcase--hero { order: -1; }
  .hero-content { text-align: center; padding-top: 8px; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-float-icons { inset: -12px 0 0 0; }
  .float-icon { width: 48px; height: 48px; border-radius: 14px; }
  .float-icon::after { bottom: -11px; height: 18px; filter: blur(9px); }
  .float-icon svg { width: 26px; height: 26px; }
  .float-icon--btc { top: 4%; left: 4%; }
  .float-icon--tsla { top: 2%; right: 4%; left: auto; }
  .float-icon--aapl { top: 28%; left: 2%; }
  .float-icon--msft { top: 24%; right: 2%; left: auto; }
  .float-icon--eth { bottom: 28%; right: 12%; left: auto; top: auto; }
  .cards-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .float-icon { width: 44px; height: 44px; }
  .float-icon::after { bottom: -9px; height: 16px; filter: blur(8px); }
  .float-icon svg { width: 24px; height: 24px; }
  .phones-grid { gap: 8px; }
  .iphone-frame { border-radius: 22px; padding: 5px 4px 6px; }
  .iphone-island { width: 40px; height: 11px; margin-bottom: 4px; }
  .iphone-screen { border-radius: 18px; border-width: 1px; }
  .iphone-bar { width: 40px; margin-top: 5px; }
  .phone-label { font-size: .7rem; }
  .platform-showcase--phone .platform-showcase-glow { inset: -4px -6px 2px; }
  .steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}