/* ============================================================
   IPTV Host — Design System
   Paleta: Dark Navy + Electric Blue + Neon Cyan
   Tipografia: Inter (body) + Sora (headings)
   Tom: Técnico-direto, premium, sem enrolação
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --bg-body: #060910;
  --bg-section: #0a0f1c;
  --bg-section-alt: #0d1224;
  --bg-surface: #111827;
  --bg-surface-hover: #1a2038;
  --bg-surface-raised: #1e2540;

  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;
  --color-cyan: #06b6d4;
  --color-accent: #25D366;
  --color-accent-hover: #1ebe5a;
  --color-warning: #f59e0b;
  --color-gold: #d4a844;

  --color-text: #e8ecf4;
  --color-text-secondary: #8892b0;
  --color-text-muted: #5a6380;
  --color-border: #1e2540;
  --color-border-hover: #2d3660;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6, #06b6d4);
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,.12) 0%, transparent 60%),
                   radial-gradient(ellipse at 80% 20%, rgba(6,182,212,.08) 0%, transparent 50%);
  --gradient-card: linear-gradient(145deg, rgba(17,24,39,.8), rgba(13,18,36,.95));
  --gradient-cta: linear-gradient(135deg, #25D366, #1ebe5a);

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Sora', 'Inter', sans-serif;
  --fs-xs: .75rem;
  --fs-sm: .8125rem;
  --fs-base: .9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;

  /* Spacing */
  --space-xs: .375rem;
  --space-sm: .75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
  --shadow-md: 0 4px 14px rgba(0,0,0,.35);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.4);
  --shadow-glow-blue: 0 0 20px rgba(59,130,246,.2);
  --shadow-glow-green: 0 0 20px rgba(37,211,102,.18);

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
  --duration: 200ms;
  --duration-slow: 400ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary-light); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--color-cyan); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -.01em;
}
h1 { font-size: var(--fs-3xl); font-weight: 800; }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); font-weight: 600; }
p { margin-bottom: 1rem; color: var(--color-text-secondary); }
strong { color: var(--color-text); font-weight: 600; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section {
  padding: var(--space-4xl) 0;
  background-color: var(--bg-body);
}
.section-alt {
  padding: var(--space-4xl) 0;
  background-color: var(--bg-section-alt);
}
.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.section-title h2 { margin-bottom: var(--space-md); }
.section-title p { font-size: var(--fs-md); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(6,9,16,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30,37,64,.5);
  transition: background var(--duration) var(--ease);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.nav { display: flex; align-items: center; gap: var(--space-xl); }
.nav a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--duration) var(--ease);
}
.nav a:hover { color: var(--color-text); }
.nav-cta {
  padding: .5rem 1.25rem;
  background: var(--gradient-cta);
  color: #fff !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-green);
  color: #fff !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  overflow: hidden;
  background: var(--bg-body);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { max-width: 600px; }
.hero h1 { margin-bottom: var(--space-lg); }
.hero h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}
.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* Hero stats cards */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.stat-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow-blue);
}
.stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}
.stat-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* Decoration orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: .4;
}
.hero-orb--1 {
  width: 400px; height: 400px;
  background: rgba(59,130,246,.15);
  top: -100px; left: -100px;
}
.hero-orb--2 {
  width: 300px; height: 300px;
  background: rgba(6,182,212,.1);
  bottom: -80px; right: -50px;
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: .375rem .875rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-primary {
  background: rgba(59,130,246,.12);
  color: var(--color-primary-light);
  border: 1px solid rgba(59,130,246,.2);
}
.badge-gold {
  background: rgba(212,168,68,.12);
  color: var(--color-gold);
  border: 1px solid rgba(212,168,68,.2);
}
.badge-green {
  background: rgba(37,211,102,.1);
  color: var(--color-accent);
  border: 1px solid rgba(37,211,102,.2);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: .75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-base);
  line-height: 1.4;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-lg { padding: .875rem 2rem; font-size: var(--fs-md); }
.btn-sm { padding: .5rem 1.25rem; font-size: var(--fs-sm); }

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59,130,246,.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59,130,246,.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  background: rgba(59,130,246,.06);
}

/* WhatsApp CTA buttons */
.cta-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: .875rem 2rem;
  background: var(--gradient-cta);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--fs-md);
  text-decoration: none;
  transition: all var(--duration) var(--ease);
  box-shadow: 0 4px 14px rgba(37,211,102,.25);
}
.cta-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,.35);
  color: #fff;
}
.cta-whatsapp svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* CTA block (wraps button + sub-text) */
.cta-block {
  text-align: center;
  padding: var(--space-2xl) 0;
}
.cta-block .cta-sub {
  margin-top: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.cta-block .cta-sub svg {
  display: inline;
  width: 14px;
  height: 14px;
  vertical-align: middle;
  margin-right: 4px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  background: rgba(59,130,246,.08);
  border: 1px solid rgba(59,130,246,.12);
}
.card h3 { margin-bottom: var(--space-sm); }
.card p { margin-bottom: 0; font-size: var(--fs-sm); }

/* ---------- Steps (HowTo visual) ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); counter-reset: step; }
.step-card {
  position: relative;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  counter-increment: step;
}
.step-number {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-lg);
  margin-bottom: var(--space-md);
}
.step-card h3 { margin-bottom: var(--space-sm); font-size: var(--fs-base); }
.step-card p { font-size: var(--fs-sm); margin-bottom: 0; }
.step-arrow {
  position: absolute;
  right: -1.25rem;
  top: 3.5rem;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  z-index: 2;
}

/* ---------- FAQ Accordion ---------- */
.faq-list { display: flex; flex-direction: column; gap: .625rem; }
.faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--bg-surface);
  overflow: hidden;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.faq-item.active {
  border-color: var(--color-border-hover);
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  gap: 1rem;
  color: var(--color-text);
  font-size: var(--fs-base);
  font-weight: 500;
  font-family: var(--font-body);
}
.faq-question:hover { color: var(--color-primary-light); }
.faq-toggle {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--bg-surface-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration) var(--ease);
}
.faq-toggle svg { transition: transform 300ms var(--ease); }
.faq-item.active .faq-toggle {
  background: var(--color-primary);
}
.faq-item.active .faq-toggle svg { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease), opacity 300ms var(--ease);
  opacity: 0;
}
.faq-item.active .faq-answer { opacity: 1; }
.faq-answer-inner {
  padding: 0 1.25rem 1.125rem;
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
thead { background: var(--bg-surface-raised); }
th {
  padding: .875rem 1.25rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}
td {
  padding: .875rem 1.25rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}
tbody tr:hover { background: rgba(59,130,246,.03); }
.check { color: var(--color-accent); font-weight: 700; }

/* ---------- Testimonials ---------- */
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.testimonial-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease);
}
.testimonial-card:hover { border-color: var(--color-border-hover); }
.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.testimonial-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0a0f1c;
  font-weight: 700;
  font-size: var(--fs-sm);
  flex-shrink: 0;
  background: var(--gradient-primary);
}
.testimonial-name { font-weight: 500; font-size: var(--fs-sm); color: var(--color-text); }
.testimonial-location { font-size: var(--fs-xs); color: var(--color-text-muted); }
.testimonial-stars { display: flex; gap: 2px; margin-bottom: var(--space-sm); }
.testimonial-stars svg { width: 16px; height: 16px; fill: var(--color-gold); }
.testimonial-text { font-size: var(--fs-sm); color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
.testimonial-date { margin-top: var(--space-sm); font-size: var(--fs-xs); color: var(--color-text-muted); }

/* ---------- Checklist ---------- */
.checklist { padding-left: 0; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  border-bottom: 1px solid rgba(30,37,64,.4);
}
.checklist li:last-child { border-bottom: none; }
.checklist li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary-light); }
.breadcrumb .sep { margin: 0 2px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-section);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.footer-brand p { font-size: var(--fs-sm); color: var(--color-text-muted); margin-top: var(--space-sm); max-width: 280px; }
.footer-col h4 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
  font-weight: 600;
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { font-size: var(--fs-sm); color: var(--color-text-secondary); }
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  color: #fff;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,.5);
  color: #fff;
}
.whatsapp-float svg { width: 28px; height: 28px; }

/* ---------- Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(37,211,102,.25); }
  50% { box-shadow: 0 0 25px rgba(37,211,102,.45); }
}
.whatsapp-float { animation: pulse-glow 2.5s infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ---------- Content Prose ---------- */
.prose { max-width: 780px; }
.prose h2 { margin-top: var(--space-2xl); margin-bottom: var(--space-md); }
.prose h3 { margin-top: var(--space-xl); margin-bottom: var(--space-sm); }
.prose p { margin-bottom: var(--space-md); }
.prose ul, .prose ol {
  padding-left: 1.5rem;
  margin-bottom: var(--space-md);
}
.prose ul li, .prose ol li {
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
}
.prose ul li { list-style: disc; }
.prose ol li { list-style: decimal; }
.prose strong { color: var(--color-text); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .hero-stats { order: -1; grid-template-columns: repeat(4, 1fr); }
  .grid-4, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .step-arrow { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: var(--fs-2xl); }
  h2 { font-size: var(--fs-xl); }
  .section, .section-alt { padding: var(--space-3xl) 0; }
  .hero { min-height: auto; padding-top: 6rem; padding-bottom: var(--space-2xl); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }

  /* Mobile nav */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-section);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: var(--space-lg);
    transition: right 300ms var(--ease);
    border-left: 1px solid var(--color-border);
    box-shadow: -10px 0 40px rgba(0,0,0,.5);
  }
  .nav.open { right: 0; }
  .nav-toggle { display: flex; }
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 998;
  }
  .nav-overlay.active { display: block; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  .container { padding: 0 1rem; }
  .cta-whatsapp { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn, .hero-actions .cta-whatsapp { width: 100%; }
}