:root {
  --bg: #050812;
  --bg-soft: #08111e;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(15, 23, 42, 0.7);
  --border: rgba(255, 255, 255, 0.1);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --dim: #94a3b8;
  --cyan: #67e8f9;
  --cyan-strong: #22d3ee;
  --emerald: #6ee7b7;
  --amber: #fde68a;
  --dark: #020617;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 8, 18, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 900;
  letter-spacing: 0;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a {
  transition: color 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  color: #fff;
  transform: translateY(-1px);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.92rem;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.nav-cta {
  border: 1px solid rgba(103, 232, 249, 0.3);
  background: rgba(103, 232, 249, 0.1);
  color: #cffafe;
  padding: 9px 16px;
  box-shadow: 0 14px 40px rgba(8, 145, 178, 0.18);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 12px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: 14px 20px 18px;
  background: rgba(5, 8, 18, 0.95);
}

.mobile-menu.open {
  display: grid;
  gap: 12px;
}

.hero,
.section {
  position: relative;
}

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero::before,
.section-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 185, 129, 0.055) 1px, transparent 1px);
  background-size: 74px 74px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.18), transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(16, 185, 129, 0.12), transparent 27%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.1), rgba(2, 6, 23, 0.88));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 48px;
  align-items: center;
  padding: 96px 0 112px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 24px;
  border: 1px solid rgba(110, 231, 183, 0.25);
  border-radius: 999px;
  background: rgba(110, 231, 183, 0.1);
  color: #d1fae5;
  padding: 8px 16px;
  font-size: 0.86rem;
  font-weight: 700;
}

.eyebrow.cyan {
  border-color: rgba(103, 232, 249, 0.25);
  background: rgba(103, 232, 249, 0.1);
  color: #cffafe;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 950;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 900;
}

h3 {
  font-size: 1.2rem;
  font-weight: 850;
}

p {
  margin: 0;
}

.lead {
  margin-top: 24px;
  max-width: 720px;
  color: #e2e8f0;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.body-copy {
  margin-top: 20px;
  max-width: 700px;
  color: var(--dim);
  font-size: 1rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  padding: 13px 20px;
}

.btn-primary {
  background: var(--cyan);
  color: var(--dark);
  box-shadow: 0 18px 48px rgba(8, 145, 178, 0.25);
}

.btn-primary:hover {
  background: #a5f3fc;
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.hero-panel {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(15, 23, 42, 0.65);
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -24px;
  z-index: -1;
  border-radius: 40px;
  background:
    radial-gradient(circle at 50% 20%, rgba(34, 211, 238, 0.16), transparent 34%),
    radial-gradient(circle at 72% 80%, rgba(16, 185, 129, 0.12), transparent 32%);
  filter: blur(24px);
}

.stack {
  display: grid;
  gap: 16px;
}

.mini-card,
.card,
.pill-card,
.feature-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.12);
}

.mini-card {
  border-radius: 18px;
  padding: 20px;
}

.index {
  display: inline-flex;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 950;
}

.mini-card h2,
.mini-card h3 {
  margin-top: 12px;
  font-size: 1.35rem;
}

.mini-card p,
.card p,
.feature-card p,
.pill-card p {
  margin-top: 10px;
  color: var(--dim);
}

.section {
  padding: 82px 0;
}

.section.alt {
  border-block: 1px solid var(--border);
  background: var(--bg-soft);
}

.section.dark-band {
  border-block: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.7);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 38px;
}

.section-head > div {
  max-width: 760px;
}

.section-note {
  max-width: 430px;
  color: var(--dim);
  font-size: 0.95rem;
}

.label {
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.label.emerald {
  color: var(--emerald);
}

.label.amber {
  color: var(--amber);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
  border-radius: 24px;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.card:hover,
.pill-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 232, 249, 0.32);
  background: rgba(103, 232, 249, 0.05);
}

.pill-card {
  display: block;
  border-radius: 18px;
  padding: 20px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.link-more {
  display: inline-flex;
  margin-top: 18px;
  color: #cffafe;
  font-size: 0.92rem;
  font-weight: 850;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.text-block {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.8;
}

.text-block p + p {
  margin-top: 18px;
}

.cta-box {
  border: 1px solid rgba(103, 232, 249, 0.2);
  border-radius: 32px;
  background: rgba(103, 232, 249, 0.1);
  box-shadow: 0 24px 70px rgba(8, 145, 178, 0.18);
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
}

.cta-box p {
  max-width: 720px;
  margin: 20px auto 0;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 0.9fr;
  gap: 28px;
  color: var(--dim);
  font-size: 0.92rem;
}

.footer-brand {
  color: var(--text);
  font-weight: 950;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 16px;
}

.footer a:hover {
  color: var(--cyan);
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(167, 243, 208, 0.35);
  border-radius: 999px;
  background: #6ee7b7;
  color: #020617;
  padding: 13px 16px;
  font-weight: 950;
  font-size: 0.9rem;
  box-shadow: 0 24px 70px rgba(6, 78, 59, 0.35);
  transition: transform 180ms ease, background 180ms ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  background: #a7f3d0;
}

.whatsapp-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .grid-5,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-inner,
  .split,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }

  .section-note {
    margin-top: 16px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .hero-inner {
    padding: 72px 0 84px;
  }

  .section {
    padding: 64px 0;
  }

  .grid-2,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .whatsapp-float span {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
