:root {
  --bg: #0A0A0F;
  --bg-alt: #0E0E14;
  --surface: #13131A;
  --surface-hover: #181820;
  --border: #222228;
  --border-strong: #2E2E38;
  --text: #F5F5FA;
  --text-dim: #A3A3AE;
  --text-muted: #70707B;
  --accent-a: #8B5CF6;
  --accent-b: #06B6D4;
  --accent-soft: rgba(139, 92, 246, 0.12);
  --whatsapp: #25D366;
  --gradient: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1160px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent-a);
  color: #fff;
  padding: 8px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.kicker {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-a);
  background: var(--accent-soft);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-mark { width: 32px; height: 32px; flex-shrink: 0; }
.logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--text);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a:not(.btn) {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
}
.site-nav a:not(.btn):hover { color: var(--text); }

@media (max-width: 720px) {
  .site-nav a:not(.btn) { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 9px 16px; font-size: 0.88rem; }
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(139, 92, 246, 0.5);
}
.btn-primary:hover { box-shadow: 0 10px 30px -6px rgba(139, 92, 246, 0.65); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--text-dim);
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.28) 0%, rgba(6, 182, 212, 0.12) 35%, transparent 65%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}
.hero-inner {
  text-align: center;
  max-width: 820px;
}
.hero-inner .kicker { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(2.25rem, 5.8vw, 4.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.08); }
}

/* Sections */
.section {
  padding: 96px 0;
  position: relative;
}
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .kicker { margin-bottom: 20px; }
.section-title {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.section-lead {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto;
}

/* Cards grid */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; gap: 16px; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.card p {
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}
.card-num {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: transparent;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  margin-bottom: 18px;
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-a);
  margin-bottom: 20px;
}
.card-icon svg { width: 22px; height: 22px; }

/* CTA final */
.section-cta {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.14) 0%, transparent 60%);
  z-index: -1;
}
.cta-inner {
  text-align: center;
  max-width: 640px;
}
.cta-title {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}
.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 36px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 40px;
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-tagline {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin-top: 10px;
  max-width: 360px;
}
.footer-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .dot-live { animation: none; }
  .btn { transition: none; }
}

@media (max-width: 640px) {
  .hero { padding: 72px 0 88px; }
  .section { padding: 72px 0; }
  .section-cta { padding: 88px 0; }
  .card { padding: 26px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}