:root {
  --bg: #0b0616;
  --bg-2: #120a24;
  --bg-3: #1a0f35;
  --surface: #170c2c;
  --surface-2: #1f1340;
  --border: rgba(167, 139, 250, 0.15);
  --border-strong: rgba(167, 139, 250, 0.3);

  --text: #ece9ff;
  --text-dim: #b9b3d6;
  --text-muted: #8a84a8;

  --primary: #7c3aed;
  --primary-2: #6d28d9;
  --primary-3: #5b21b6;
  --accent: #a78bfa;
  --accent-2: #c4b5fd;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;

  --gradient: linear-gradient(135deg, #a78bfa 0%, #7c3aed 50%, #4f46e5 100%);
  --gradient-soft: linear-gradient(135deg, rgba(167, 139, 250, 0.2), rgba(79, 70, 229, 0.15));

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 4px 20px rgba(12, 4, 32, 0.4);
  --shadow: 0 20px 60px rgba(79, 70, 229, 0.25);
  --shadow-lg: 0 30px 80px rgba(124, 58, 237, 0.35);

  --container: 1180px;
  --container-narrow: 820px;

  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 10% -10%, rgba(124, 58, 237, 0.35), transparent 60%),
    radial-gradient(900px 500px at 100% 10%, rgba(79, 70, 229, 0.25), transparent 60%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; }

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: #fff; }

img, svg { display: block; max-width: 100%; }

ul, ol { padding: 0; margin: 0; list-style: none; }

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 999;
}
.skip-link:focus { left: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(14px);
  background: rgba(11, 6, 22, 0.6);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  background: rgba(11, 6, 22, 0.85);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.brand:hover { color: #fff; }
.brand-mark {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
}

.site-nav { display: flex; align-items: center; }
.nav-menu {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-menu a {
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-menu a:hover { color: #fff; background: rgba(167, 139, 250, 0.08); }
.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 10px 18px !important;
  border-radius: 10px !important;
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}
.nav-cta:hover { transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 42px; height: 42px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.nav-toggle-bar {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}
.nav-toggle-bar:nth-child(1) { top: 14px; }
.nav-toggle-bar:nth-child(2) { top: 20px; }
.nav-toggle-bar:nth-child(3) { top: 26px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-lg { padding: 18px 28px; font-size: 1.05rem; }
.btn-primary {
  background: var(--whatsapp);
  color: #06261a;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.45);
  color: #06261a;
}
.btn-ghost {
  background: rgba(167, 139, 250, 0.08);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: rgba(167, 139, 250, 0.16);
  color: #fff;
  border-color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.6;
}
.blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: -80px; left: -120px;
  animation: float 14s ease-in-out infinite;
}
.blob-2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #4f46e5, transparent 70%);
  bottom: -120px; right: -100px;
  animation: float 16s ease-in-out infinite reverse;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 75%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, 30px); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

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

.lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* Chat mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.chat-mock {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 18px;
  transform: rotate(-1deg);
  animation: floatUp 6s ease-in-out infinite;
}
@keyframes floatUp {
  0%, 100% { transform: rotate(-1deg) translateY(0); }
  50% { transform: rotate(-1deg) translateY(-10px); }
}
.chat-mock-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.chat-mock-head small { color: var(--whatsapp); display: block; font-size: 0.78rem; }
.chat-mock-head strong { display: block; font-size: 0.95rem; }
.avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  color: #fff;
}
.chat-mock-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.4;
  animation: pop 400ms ease both;
}
.bubble-in {
  align-self: flex-start;
  background: var(--surface-2);
  border-bottom-left-radius: 4px;
}
.bubble-out {
  align-self: flex-end;
  background: var(--whatsapp-dark);
  color: #eaf9f2;
  border-bottom-right-radius: 4px;
}
.bubble.typing {
  display: inline-flex;
  gap: 4px;
  padding: 14px 16px;
}
.bubble.typing span {
  width: 6px; height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.2s infinite;
}
.bubble.typing span:nth-child(2) { animation-delay: 0.2s; }
.bubble.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}
@keyframes pop {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: 100px 0;
}
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.06), transparent);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-dim); margin-bottom: 18px; }
.card-list { display: flex; flex-direction: column; gap: 8px; }
.card-list li {
  color: var(--text-muted);
  font-size: 0.92rem;
  padding-left: 24px;
  position: relative;
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* Use cases */
.use-cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}
.use-case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.use-case-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.4);
}
.use-case p { color: var(--text-dim); margin-bottom: 20px; }
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tags li {
  font-size: 0.82rem;
  padding: 6px 12px;
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid var(--border);
  color: var(--accent-2);
  border-radius: 999px;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 40px;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  flex-wrap: wrap;
}
.cta-banner h3 { color: #fff; margin-bottom: 4px; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin: 0; }
.cta-banner .btn-primary {
  background: #fff;
  color: var(--primary-3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.cta-banner .btn-primary:hover { background: #fefefe; color: var(--primary-3); }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}
.step-num {
  display: inline-block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--text-dim); font-size: 0.94rem; margin: 0; }

/* FAQ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color var(--transition);
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
  color: var(--text-dim);
  margin: 14px 0 0;
  font-size: 0.96rem;
}

/* Contact */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.contact-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35), transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.contact-copy { position: relative; }
.contact-copy p { color: var(--text-dim); max-width: 520px; margin-bottom: 28px; }
.contact-small { font-size: 0.88rem; color: var(--text-muted); margin-top: 18px; margin-bottom: 0; }

.contact-side {
  position: relative;
  background: rgba(167, 139, 250, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-side h3 { margin-bottom: 20px; }
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-list li { display: flex; flex-direction: column; gap: 4px; }
.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}
.contact-list a { color: var(--text); font-weight: 600; }
.contact-list a:hover { color: var(--accent-2); }

/* Footer */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
}
.footer-copy { margin: 0; color: var(--text-muted); font-size: 0.9rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--text-dim); font-size: 0.92rem; }

/* Floating WhatsApp button */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: #06261a;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse 2.8s ease-in-out infinite;
}
.wa-float:hover {
  transform: translateY(-2px) scale(1.04);
  color: #06261a;
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.55);
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4), 0 0 0 18px rgba(37, 211, 102, 0); }
}
.wa-float-label { font-size: 0.95rem; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .chat-mock { max-width: 340px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-card { grid-template-columns: 1fr; padding: 40px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 70px; }
  .nav { height: 64px; }
  .nav-toggle { display: inline-block; }
  .nav-menu {
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(11, 6, 22, 0.98);
    backdrop-filter: blur(14px);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu a { padding: 14px 16px; }
  .nav-cta { text-align: center; margin-top: 8px; }

  .hero { padding: 48px 0 72px; }
  .section { padding: 72px 0; }
  .cards { grid-template-columns: 1fr; }
  .use-cases { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cta-banner { padding: 28px; flex-direction: column; text-align: center; align-items: stretch; }
  .cta-banner .btn { justify-content: center; }
  .contact-card { padding: 28px; }

  .wa-float { bottom: 16px; right: 16px; padding: 12px 16px; }
  .wa-float-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}