/* ============================================================
   AudioCentral — Design System SaaS 2026 para Landing Page
   Paleta: Navy Profundo (#0A2342), Teal (#028090), Mint (#02C39A), Gold (#E0971E)
   Tipografia: Plus Jakarta Sans / Outfit / DM Serif Display
   ============================================================ */

:root {
  --lp-navy: #0A2342;
  --lp-navy-deep: #061528;
  --lp-navy-light: #13335A;
  --lp-teal: #028090;
  --lp-teal-dark: #01606E;
  --lp-mint: #02C39A;
  --lp-gold: #E0971E;
  --lp-gold-light: #FDF1DE;
  --lp-bg: #FFFFFF;
  --lp-bg-alt: #F8FAFC;
  --lp-border: #E2E8F0;
  --lp-text: #334155;
  --lp-text-muted: #64748B;
  --lp-text-light: #94A3B8;
  --lp-radius-sm: 8px;
  --lp-radius-md: 14px;
  --lp-radius-lg: 22px;
  --lp-radius-full: 9999px;
  --lp-shadow-sm: 0 2px 8px rgba(10, 35, 66, 0.05);
  --lp-shadow-md: 0 8px 24px rgba(10, 35, 66, 0.08);
  --lp-shadow-lg: 0 20px 48px rgba(10, 35, 66, 0.14);
  --lp-shadow-glow: 0 0 30px rgba(2, 195, 154, 0.3);
}

/* ── Reset & Tipografia Base ── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body.landing-page {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--lp-text);
  background-color: var(--lp-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.lp-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--lp-navy);
  font-weight: 800;
  line-height: 1.2;
}

/* ── Header Flutuante / Sticky ── */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 35, 66, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 0;
  transition: all 0.3s ease;
}

.lp-header .lp-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #FFFFFF;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.38rem;
  letter-spacing: -0.02em;
}

.lp-logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lp-mint), var(--lp-gold));
  box-shadow: 0 0 12px var(--lp-mint);
}

.lp-logo-badge {
  font-size: 0.65rem;
  background: rgba(2, 195, 154, 0.18);
  color: var(--lp-mint);
  border: 1px solid rgba(2, 195, 154, 0.4);
  padding: 2px 8px;
  border-radius: var(--lp-radius-full);
  font-weight: 700;
}

.lp-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.lp-nav a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.lp-nav a:hover {
  color: #FFFFFF;
}

.lp-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lp-btn-login {
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  padding: 8px 18px;
  border-radius: var(--lp-radius-md);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.lp-btn-login:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

.lp-btn-cta {
  background: linear-gradient(135deg, var(--lp-teal), var(--lp-mint));
  color: #FFFFFF;
  padding: 9px 20px;
  border-radius: var(--lp-radius-md);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(2, 128, 144, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lp-btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 195, 154, 0.45);
}

/* ── Hero Section ── */
.lp-hero {
  position: relative;
  background: radial-gradient(circle at 50% 20%, #13335A 0%, var(--lp-navy) 70%, var(--lp-navy-deep) 100%);
  color: #FFFFFF;
  padding: 90px 0 100px;
  text-align: center;
  overflow: hidden;
}

.lp-hero::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(2, 195, 154, 0.22) 0%, rgba(2, 128, 144, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
}

.lp-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 18px;
  border-radius: var(--lp-radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--lp-mint);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.lp-hero h1 {
  color: #FFFFFF;
  font-size: 3.2rem;
  font-weight: 800;
  max-width: 900px;
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}

.lp-hero h1 span.gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--lp-mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lp-hero p.lead {
  font-size: 1.18rem;
  color: #CBD5E1;
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.lp-hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.lp-hero-btn-primary {
  background: linear-gradient(135deg, var(--lp-mint) 0%, #028090 100%);
  color: #FFFFFF;
  padding: 16px 36px;
  border-radius: var(--lp-radius-md);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(2, 195, 154, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.lp-hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(2, 195, 154, 0.5);
}

.lp-hero-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  padding: 15px 30px;
  border-radius: var(--lp-radius-md);
  font-size: 1.02rem;
  font-weight: 700;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.lp-hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #FFFFFF;
}

.lp-hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: #94A3B8;
  margin-top: 10px;
}

.lp-hero-trust span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #E2E8F0;
}

/* ── Interactive Preview Showcase ── */
.lp-showcase {
  margin-top: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--lp-radius-lg);
  padding: 16px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  max-width: 1020px;
  margin-left: auto;
  margin-right: auto;
}

.lp-showcase-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.lp-showcase-tab {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #CBD5E1;
  padding: 8px 18px;
  border-radius: var(--lp-radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lp-showcase-tab.active {
  background: linear-gradient(135deg, var(--lp-teal), var(--lp-mint));
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(2, 128, 144, 0.4);
}

.lp-showcase-screen {
  background: #0A2342;
  border-radius: var(--lp-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  text-align: left;
}

.lp-screen-bar {
  background: rgba(0, 0, 0, 0.25);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lp-screen-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.lp-screen-dot.red { background: #EF4444; }
.lp-screen-dot.yellow { background: #F59E0B; }
.lp-screen-dot.green { background: #10B981; }

.lp-screen-title {
  font-size: 0.76rem;
  color: #94A3B8;
  margin-left: 8px;
  font-family: monospace;
}

.lp-screen-content {
  padding: 24px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
}

.lp-mock-sidebar {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--lp-radius-sm);
  padding: 14px;
  font-size: 0.8rem;
  color: #CBD5E1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lp-mock-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
}

.lp-mock-item.active {
  background: rgba(2, 195, 154, 0.2);
  color: #FFFFFF;
  font-weight: 700;
  border-left: 3px solid var(--lp-mint);
}

.lp-mock-check {
  color: var(--lp-mint);
  font-weight: 800;
}

.lp-mock-main {
  background: #FFFFFF;
  border-radius: var(--lp-radius-sm);
  padding: 20px;
  color: var(--lp-navy);
}

.lp-mock-badge-group {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.lp-mock-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--lp-radius-full);
}
.lp-mock-badge.teal { background: #E0F4F7; color: #01606E; }
.lp-mock-badge.green { background: #DCFCE7; color: #15803D; }

/* ── Section Dividers & Cards ── */
.lp-section {
  padding: 90px 0;
  position: relative;
}

.lp-section-alt {
  background-color: var(--lp-bg-alt);
}

.lp-section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 54px;
}

.lp-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lp-teal);
  margin-bottom: 10px;
}

.lp-section-header h2 {
  font-size: 2.3rem;
  margin-bottom: 14px;
}

.lp-section-header p {
  font-size: 1.05rem;
  color: var(--lp-text-muted);
}

/* ── Grid de Recursos ── */
.lp-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.lp-feature-card {
  background: #FFFFFF;
  border: 1.5px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.lp-feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--lp-teal);
  box-shadow: var(--lp-shadow-lg);
}

.lp-feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--lp-radius-md);
  background: linear-gradient(135deg, rgba(2, 128, 144, 0.12), rgba(2, 195, 154, 0.18));
  color: var(--lp-teal);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.lp-feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.lp-feature-card p {
  font-size: 0.94rem;
  color: var(--lp-text-muted);
  line-height: 1.6;
}

/* ── Pricing Switcher & Cards ── */
.lp-pricing-switch-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.lp-pricing-switch {
  background: #E2E8F0;
  border-radius: var(--lp-radius-full);
  padding: 4px;
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.lp-switch-opt {
  padding: 8px 22px;
  border-radius: var(--lp-radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--lp-text-muted);
  transition: all 0.25s ease;
}

.lp-switch-opt.active {
  background: var(--lp-navy);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(10, 35, 66, 0.25);
}

.lp-discount-pill {
  background: #DCFCE7;
  color: #15803D;
  border: 1px solid #86EFAC;
  padding: 3px 10px;
  border-radius: var(--lp-radius-full);
  font-size: 0.74rem;
  font-weight: 800;
}

.lp-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.lp-plan-card {
  background: #FFFFFF;
  border: 1.5px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.lp-plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--lp-shadow-lg);
}

.lp-plan-card.highlight {
  border: 2.5px solid var(--lp-mint);
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
  box-shadow: 0 12px 36px rgba(2, 195, 154, 0.2);
}

.lp-popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--lp-teal), var(--lp-mint));
  color: #FFFFFF;
  padding: 5px 16px;
  border-radius: var(--lp-radius-full);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(2, 128, 144, 0.35);
  white-space: nowrap;
}

.lp-plan-name {
  font-size: 1.32rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.lp-plan-desc {
  font-size: 0.86rem;
  color: var(--lp-text-muted);
  min-height: 42px;
  margin-bottom: 20px;
}

.lp-price-box {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--lp-border);
}

.lp-price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--lp-navy);
  vertical-align: top;
}

.lp-price-val {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--lp-navy);
  line-height: 1;
  letter-spacing: -0.03em;
}

.lp-price-period {
  font-size: 0.86rem;
  color: var(--lp-text-muted);
  font-weight: 600;
}

.lp-price-billing-note {
  font-size: 0.76rem;
  color: var(--lp-text-light);
  margin-top: 6px;
  font-weight: 600;
}

.lp-plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.lp-plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--lp-text);
  line-height: 1.45;
}

.lp-plan-features li .ico {
  color: var(--lp-teal);
  font-weight: 800;
  flex-shrink: 0;
}

.lp-btn-plan {
  display: block;
  text-align: center;
  padding: 14px 24px;
  border-radius: var(--lp-radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  margin-top: auto;
}

.lp-btn-plan-outline {
  border: 2px solid var(--lp-navy);
  color: var(--lp-navy);
  background: transparent;
}
.lp-btn-plan-outline:hover {
  background: var(--lp-navy);
  color: #FFFFFF;
}

.lp-btn-plan-primary {
  background: linear-gradient(135deg, var(--lp-teal), var(--lp-mint));
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 16px rgba(2, 128, 144, 0.35);
}
.lp-btn-plan-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 195, 154, 0.45);
}

/* ── FAQ Sanfona ── */
.lp-faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lp-faq-item {
  background: #FFFFFF;
  border: 1.5px solid var(--lp-border);
  border-radius: var(--lp-radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.lp-faq-item.open {
  border-color: var(--lp-teal);
  box-shadow: var(--lp-shadow-sm);
}

.lp-faq-question {
  padding: 18px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--lp-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.lp-faq-icon {
  font-size: 1.1rem;
  color: var(--lp-teal);
  transition: transform 0.25s ease;
}

.lp-faq-item.open .lp-faq-icon {
  transform: rotate(180deg);
}

.lp-faq-answer {
  padding: 0 24px 20px;
  font-size: 0.94rem;
  color: var(--lp-text-muted);
  line-height: 1.65;
  display: none;
}

.lp-faq-item.open .lp-faq-answer {
  display: block;
}

/* ── CTA Final ── */
.lp-cta-banner {
  background: linear-gradient(135deg, var(--lp-navy) 0%, #0F3A60 100%);
  color: #FFFFFF;
  border-radius: var(--lp-radius-lg);
  padding: 64px 40px;
  text-align: center;
  box-shadow: var(--lp-shadow-lg);
  position: relative;
  overflow: hidden;
}

.lp-cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(2, 195, 154, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.lp-cta-banner h2 {
  color: #FFFFFF;
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.lp-cta-banner p {
  font-size: 1.1rem;
  color: #CBD5E1;
  max-width: 620px;
  margin: 0 auto 32px;
}

/* ── Footer ── */
.lp-footer {
  background: #061528;
  color: #94A3B8;
  padding: 60px 0 30px;
  font-size: 0.88rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.lp-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.lp-footer-col h4 {
  color: #FFFFFF;
  font-size: 0.96rem;
  margin-bottom: 16px;
}

.lp-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lp-footer-col a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 0.2s ease;
}

.lp-footer-col a:hover {
  color: #FFFFFF;
}

.lp-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8rem;
}

/* ── Responsividade ── */
@media (max-width: 1024px) {
  .lp-hero h1 { font-size: 2.6rem; }
  .lp-pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .lp-screen-content { grid-template-columns: 1fr; }
  .lp-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .lp-nav { display: none; }
  .lp-hero h1 { font-size: 2.1rem; }
  .lp-hero p.lead { font-size: 1rem; }
  .lp-hero-ctas { flex-direction: column; }
  .lp-hero-btn-primary, .lp-hero-btn-secondary { width: 100%; justify-content: center; }
  .lp-footer-grid { grid-template-columns: 1fr; }
}