/* CSS Variables from design system */
:root {
  --background: hsl(220, 43%, 7%);
  --foreground: hsl(220, 33%, 92%);
  --card: hsl(216, 36%, 11%);
  --card-foreground: hsl(220, 33%, 92%);
  --primary: hsl(239, 80%, 75%);
  --primary-foreground: hsl(220, 43%, 7%);
  --secondary: hsl(216, 36%, 11%);
  --secondary-foreground: hsl(220, 33%, 92%);
  --muted: hsl(216, 36%, 14%);
  --muted-foreground: hsl(215, 18%, 62%);
  --accent: hsl(358, 91%, 47%);
  --accent-foreground: hsl(0, 0%, 100%);
  --destructive: hsl(0, 84.2%, 60.2%);
  --border: hsl(216, 30%, 18%);
  --input: hsl(216, 30%, 18%);
  --ring: hsl(239, 76%, 53%);
  --radius: 0.5rem;
  --cta: hsl(142, 71%, 45%);
  --cta-foreground: hsl(0, 0%, 5%);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; border-color: var(--border); }
html { scroll-behavior: smooth; }
body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
}
section { scroll-margin-top: 5rem; }
a { text-decoration: none; }
img { max-width: 100%; display: block; }
ol, ul { list-style: none; }

/* Container */
.container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 2rem; }

/* Min height screen */
.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background-color: rgba(18, 24, 38, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 4rem; padding: 0 1rem;
}
.logo { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.025em; color: var(--foreground); }
.logo span { color: var(--primary); }
.nav-desktop { display: none; align-items: center; gap: 1.5rem; }
@media (min-width: 1024px) { .nav-desktop { display: flex; } }
.nav-link {
  font-size: 0.875rem; font-weight: 500;
  color: var(--muted-foreground);
  transition: color 0.15s;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.btn-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background-color: var(--cta); color: var(--cta-foreground);
  border-radius: 0.5rem; padding: 0.625rem 1.25rem;
  font-size: 0.875rem; font-weight: 600;
  transition: filter 0.15s;
  border: none; cursor: pointer;
}
.btn-cta:hover { filter: brightness(1.1); }
.btn-cta-lg {
  padding: 1rem 2rem; font-size: 1rem; font-weight: 700;
  border-radius: 0.5rem; border: none; cursor: pointer;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background-color: var(--primary); color: var(--primary-foreground);
  border-radius: 0.5rem; padding: 1rem 2rem;
  font-size: 1rem; font-weight: 700;
  transition: filter 0.15s; text-decoration: none;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border); border-radius: 0.5rem;
  padding: 1rem 2rem; font-size: 1rem; font-weight: 600;
  color: var(--foreground); background: transparent;
  transition: background-color 0.15s; text-decoration: none;
}
.btn-outline:hover { background-color: var(--card); }
.header-cta-desktop { display: none; }
@media (min-width: 1024px) { .header-cta-desktop { display: block; } }

/* Mobile menu button */
.menu-btn {
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; color: var(--foreground); cursor: pointer;
  padding: 0.25rem;
}
@media (min-width: 1024px) { .menu-btn { display: none; } }
.mobile-nav {
  display: none;
  background-color: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem 1rem;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: 0.5rem 0;
  font-size: 0.875rem; font-weight: 500;
  color: var(--muted-foreground);
  transition: color 0.15s;
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--primary); }
.mobile-nav .btn-cta { margin-top: 0.5rem; display: block; width: 100%; text-align: center; }

/* Main */
.pt-16 { padding-top: 4rem; }

/* Sections */
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pb-16 { padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 5rem 0; }
@media (min-width: 768px) { .hero { padding: 8rem 0; } }
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(109,112,253,0.1), transparent);
  pointer-events: none;
}
.hero-content { max-width: 48rem; margin: 0 auto; text-align: center; position: relative; }
.badge-pill {
  display: inline-block; margin-bottom: 1rem;
  padding: 0.375rem 1rem; font-size: 0.75rem; font-weight: 600;
  border-radius: 9999px;
  background-color: rgba(109,112,253,0.2);
  color: var(--primary);
  border: 1px solid rgba(109,112,253,0.3);
}
.h1 { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 1.5rem; color: var(--foreground); }
@media (min-width: 768px) { .h1 { font-size: 3.75rem; } }
.h1-page { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 1.5rem; color: var(--foreground); }
@media (min-width: 768px) { .h1-page { font-size: 3rem; } }
.text-cta-color { color: var(--cta); }
.lead { font-size: 1.125rem; color: var(--muted-foreground); margin-bottom: 2rem; max-width: 40rem; margin-left: auto; margin-right: auto; }
@media (min-width: 768px) { .lead { font-size: 1.25rem; } }
.btn-group { display: flex; flex-direction: column; gap: 1rem; justify-content: center; }
@media (min-width: 640px) { .btn-group { flex-direction: row; } }

/* Social proof bar */
.proof-bar {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background-color: rgba(18,24,38,0.5);
}
.proof-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2rem; text-align: center; }
.proof-num { font-size: 1.5rem; font-weight: 700; color: var(--foreground); }
.proof-label { font-size: 0.75rem; color: var(--muted-foreground); }
.proof-divider { width: 1px; height: 2rem; background: var(--border); display: none; }
@media (min-width: 640px) { .proof-divider { display: block; } }

/* Grid layouts */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.grid-plans { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-plans { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
}

/* Cards */
.card {
  background-color: var(--card);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: border-color 0.15s;
}
.card:hover { border-color: rgba(109,112,253,0.3); }
.card-cta:hover { border-color: rgba(57,197,88,0.4); }

/* Card featured (plans) */
.card-featured {
  border-color: var(--cta) !important;
  box-shadow: 0 10px 30px rgba(57,197,88,0.1);
  transform: scale(1.05);
  position: relative;
}
.card-featured-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 0.25rem 1rem; background: var(--cta);
  color: var(--cta-foreground); font-size: 0.75rem; font-weight: 700;
  border-radius: 9999px;
}
.featured-label { font-size: 0.75rem; font-weight: 700; color: var(--cta); display: block; margin-bottom: 0.5rem; }

/* Typography */
.h2 { font-size: 1.875rem; font-weight: 700; color: var(--foreground); margin-bottom: 1rem; }
@media (min-width: 768px) { .h2 { font-size: 2.25rem; } }
.h3 { font-size: 1.25rem; font-weight: 600; color: var(--foreground); margin-bottom: 0.5rem; }
.h4 { font-size: 1rem; font-weight: 600; color: var(--foreground); margin-bottom: 0.5rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--muted-foreground); }
.text-primary { color: var(--primary); }
.text-cta { color: var(--cta); }
.text-foreground { color: var(--foreground); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-extrabold { font-weight: 800; }
strong { font-weight: 700; }
em { font-style: italic; }

/* Bg variants */
.bg-card-30 { background-color: rgba(18,24,38,0.3); }
.bg-gradient-cta { background: linear-gradient(to right, rgba(57,197,88,0.2), rgba(109,112,253,0.1)); }
.bg-gradient-primary { background: linear-gradient(to right, rgba(109,112,253,0.2), rgba(57,197,88,0.1)); }

/* Section heading */
.section-heading { text-align: center; margin-bottom: 3rem; }
.section-heading .h2 { margin-bottom: 1rem; }
.section-subtitle { text-align: center; color: var(--muted-foreground); max-width: 36rem; margin: 0 auto 3rem; }
.section-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--cta); margin-bottom: 0.75rem; }

/* Icon colors */
.icon-primary { color: var(--primary); }
.icon-cta { color: var(--cta); }
.icon-accent { color: var(--accent); }
.icon-mb { margin-bottom: 0.75rem; }

/* CheckCircle list */
.check-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.check-list li { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.875rem; color: var(--muted-foreground); }
.check-icon { color: var(--cta); flex-shrink: 0; margin-top: 0.125rem; }
.check-icon-sm { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }

/* Table */
.table-wrapper { overflow-x: auto; }
table { width: 100%; font-size: 0.875rem; border: 1px solid var(--border); border-radius: 0.75rem; overflow: hidden; border-collapse: collapse; }
thead tr { background-color: var(--card); }
th { padding: 0.75rem; text-align: left; font-weight: 600; color: var(--foreground); border-bottom: 1px solid var(--border); }
th.center { text-align: center; }
td { padding: 0.75rem; color: var(--muted-foreground); border-bottom: 1px solid var(--border); }
td.center { text-align: center; }
td.font-medium { font-weight: 500; color: var(--foreground); }
td.text-cta { color: var(--cta); font-weight: 500; }
tr.row-alt { background-color: rgba(18,24,38,0.3); }

/* Details/Summary (FAQ accordion) */
details { background-color: var(--card); border-radius: 0.75rem; border: 1px solid var(--border); overflow: hidden; }
details:hover { border-color: rgba(109,112,253,0.3); }
summary {
  padding: 1.25rem; cursor: pointer; color: var(--foreground); font-weight: 500;
  display: flex; align-items: center; justify-content: space-between;
  list-style: none; transition: color 0.15s;
}
summary:hover { color: var(--primary); }
summary::-webkit-details-marker { display: none; }
.summary-icon { flex-shrink: 0; color: var(--muted-foreground); transition: transform 0.2s; width: 18px; height: 18px; }
details[open] .summary-icon { transform: rotate(90deg); }
details[open] .summary-icon-down { transform: rotate(180deg); }
.details-content { padding: 0 1.25rem 1.25rem; font-size: 0.875rem; color: var(--muted-foreground); line-height: 1.6; }

/* Step cards */
.step-card { background: var(--card); border-radius: 0.75rem; padding: 1.5rem; border: 1px solid var(--border); text-align: center; transition: border-color 0.15s; }
.step-card:hover { border-color: rgba(109,112,253,0.5); }
.step-icon-wrap {
  width: 3rem; height: 3rem; border-radius: 9999px;
  background: rgba(109,112,253,0.2); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  transition: background-color 0.15s, color 0.15s;
}
.step-card:hover .step-icon-wrap { background: var(--primary); color: var(--primary-foreground); }
.step-label { font-size: 0.75rem; font-weight: 700; color: var(--primary); display: block; margin-bottom: 0.5rem; }

/* Device cards (grid of devices) */
.devices-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.device-card {
  background: var(--card); border-radius: 0.75rem; padding: 1.5rem;
  border: 1px solid var(--border); text-align: center; width: 8rem;
  transition: border-color 0.15s; display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.device-card:hover { border-color: rgba(109,112,253,0.5); }
.device-icon { color: var(--primary); transition: transform 0.15s; }
.device-card:hover .device-icon { transform: scale(1.1); }
.device-label { font-size: 0.875rem; font-weight: 500; color: var(--foreground); }

/* Testimonials */
.stars { display: flex; gap: 2px; margin-bottom: 0.75rem; }
.star { color: var(--cta); fill: var(--cta); }

/* Glossary */
.glossary-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .glossary-grid { grid-template-columns: 1fr 1fr; } }
.glossary-card { background: var(--card); border-radius: 0.75rem; border: 1px solid var(--border); padding: 1rem; }
.glossary-term { font-size: 0.875rem; font-weight: 700; color: var(--primary); margin-bottom: 0.25rem; }
.glossary-def { font-size: 0.875rem; color: var(--muted-foreground); }

/* CTA Band */
.cta-band { padding: 5rem 0; }
.cta-band .h2 { margin-bottom: 1rem; }
.cta-band p { color: var(--muted-foreground); max-width: 28rem; margin: 0 auto 2rem; }

/* Footer */
footer {
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-logo { font-size: 1.125rem; font-weight: 700; color: var(--foreground); margin-bottom: 0.75rem; display: block; }
.footer-logo span { color: var(--primary); }
.footer-desc { font-size: 0.875rem; color: var(--muted-foreground); }
.footer-heading { font-size: 0.875rem; font-weight: 600; color: var(--foreground); margin-bottom: 0.75rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.875rem; color: var(--muted-foreground); transition: color 0.15s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex; flex-direction: column; align-items: center;
  justify-content: space-between; gap: 1rem;
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; } }
.footer-copy { font-size: 0.75rem; color: var(--muted-foreground); }

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50;
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--cta); color: var(--cta-foreground);
  border-radius: 9999px;
  padding: 0.75rem 1.25rem 0.75rem 1rem;
  font-weight: 600; font-size: 0.875rem;
  box-shadow: 0 4px 15px rgba(57,197,88,0.3);
  transition: filter 0.15s, transform 0.15s;
}
.whatsapp-float:hover { filter: brightness(1.1); transform: scale(1.05); }
.whatsapp-float .float-text { display: none; }
@media (min-width: 640px) { .whatsapp-float .float-text { display: inline; } }

/* Breadcrumbs */
.breadcrumbs { padding: 0.75rem 0; }
.breadcrumb-list { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; font-size: 0.875rem; color: var(--muted-foreground); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list .crumb-sep { width: 14px; height: 14px; flex-shrink: 0; }
.breadcrumb-current { color: var(--foreground); }

/* Numbered step */
.num-step { display: flex; gap: 1rem; align-items: flex-start; background: var(--card); border-radius: 0.75rem; border: 1px solid var(--border); padding: 1.25rem; }
.num-circle {
  width: 2.5rem; height: 2.5rem; border-radius: 9999px;
  background: rgba(109,112,253,0.2); color: var(--primary);
  font-weight: 700; font-size: 1.125rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.num-circle-sm {
  width: 1.5rem; height: 1.5rem; border-radius: 9999px;
  background: rgba(109,112,253,0.2); color: var(--primary);
  font-weight: 700; font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* Contact cards */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 3rem; }
@media (min-width: 640px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }
.contact-card { background: var(--card); border-radius: 0.75rem; border: 1px solid var(--border); padding: 1.5rem; text-align: center; transition: border-color 0.15s; }
.contact-card:hover { border-color: rgba(57,197,88,0.5); }

/* Prose-like content for legal pages */
.prose-content h2 { font-size: 1.25rem; font-weight: 700; color: var(--foreground); margin: 1.5rem 0 0.75rem; }
.prose-content p { color: var(--muted-foreground); margin-bottom: 1rem; font-size: 0.875rem; line-height: 1.7; }

/* Max widths */
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-xl { max-width: 36rem; }
.max-w-lg { max-width: 32rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Spacing utilities */
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.space-y-3 { display: flex; flex-direction: column; gap: 0.75rem; }
.space-y-4 { display: flex; flex-direction: column; gap: 1rem; }
.space-y-6 { display: flex; flex-direction: column; gap: 1.5rem; }

/* FAQ interactive tabs */
.faq-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-bottom: 2.5rem; }
.faq-tab {
  border-radius: 9999px; padding: 0.625rem 1.25rem;
  font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted-foreground);
}
.faq-tab:hover { color: var(--foreground); border-color: rgba(109,112,253,0.5); }
.faq-tab.active {
  background: var(--cta); color: var(--cta-foreground);
  border-color: var(--cta);
  box-shadow: 0 4px 15px rgba(57,197,88,0.25);
}
.faq-panel { display: none; }
.faq-panel.active { display: flex; flex-direction: column; gap: 0.75rem; }

/* Accordion button (FAQ) */
.accordion-item { background: var(--card); border-radius: 0.75rem; border: 1px solid var(--border); overflow: hidden; transition: border-color 0.15s; }
.accordion-item:hover { border-color: rgba(109,112,253,0.3); }
.accordion-btn {
  width: 100%; padding: 1.25rem; display: flex; align-items: center;
  justify-content: space-between; text-align: left; background: none; border: none;
  cursor: pointer; color: var(--foreground);
}
.accordion-btn-text { font-weight: 500; padding-right: 1rem; }
.accordion-icon { flex-shrink: 0; color: var(--muted-foreground); width: 18px; height: 18px; transition: transform 0.2s; }
.accordion-item.open .accordion-icon { transform: rotate(180deg); }
.accordion-body { display: none; padding: 0 1.25rem 1.25rem; font-size: 0.875rem; color: var(--muted-foreground); line-height: 1.6; }
.accordion-item.open .accordion-body { display: block; }

/* Inline link */
.link-primary { color: var(--primary); transition: color 0.15s; text-decoration: none; font-size: 0.875rem; font-weight: 500; }
.link-primary:hover { text-decoration: underline; }
.link-inline { color: var(--primary); }
.link-inline:hover { text-decoration: underline; }

/* Warning icon */
.icon-accent { color: var(--accent); }

/* Adv grid items */
.adv-item { display: flex; align-items: flex-start; gap: 0.75rem; padding: 1rem; background: var(--card); border-radius: 0.5rem; border: 1px solid var(--border); }
.adv-text-title { font-size: 0.875rem; font-weight: 600; color: var(--foreground); }
.adv-text-desc { font-size: 0.875rem; color: var(--muted-foreground); }

/* List with steps OL */
.ol-steps { display: flex; flex-direction: column; gap: 0.5rem; }
.ol-step { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.875rem; color: var(--muted-foreground); }

/* Border/divider */
.border-t { border-top: 1px solid var(--border); }

/* Plan card price */
.plan-price { font-size: 1.125rem; font-weight: 700; color: var(--foreground); margin-bottom: 1rem; }
.plan-period { font-size: 0.875rem; color: var(--muted-foreground); margin-bottom: 1.5rem; }

/* Install device card */
.install-card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.install-help { display: inline-flex; align-items: center; gap: 0.25rem; margin-top: 1rem; font-size: 0.875rem; color: var(--primary); }
.install-help:hover { text-decoration: underline; }

/* Profile cards */
.profile-rec { font-size: 0.875rem; font-weight: 700; color: var(--cta); }

/* SVG icons inline */
svg { display: inline-block; vertical-align: middle; }