/* ============================================================
   RADUL — Landing Page Styles
   Modern, clean, conversion-optimized
   ============================================================ */

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #7c3aed;
  --accent-light: #ede9fe;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-800: #334155;
  --gray-700: #475569;
  --gray-600: #64748b;
  --gray-500: #94a3b8;
  --gray-400: #cbd5e1;
  --gray-300: #e2e8f0;
  --gray-200: #f1f5f9;
  --gray-100: #f8fafc;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --transition: all 0.2s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}
.btn-accent:hover {
  background: #6d28d9;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 17px;
  border-radius: 14px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-300);
  transition: var(--transition);
}

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

.nav-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-mobile-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--gray-800);
}

/* ---- Hero ---- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(
    135deg,
    var(--gray-100) 0%,
    var(--primary-light) 50%,
    var(--accent-light) 100%
  );
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--white));
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-light);
  border: 1px solid var(--primary);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-400);
}

.hero-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--gray-600);
}

.hero-visual {
  position: relative;
}

.hero-mockup {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-300);
  background: var(--gray-200);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 14px;
}

/* ---- Section Common ---- */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ---- Features ---- */
#funcionalidades {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-300);
  background: var(--white);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.feature-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}

/* ---- Modules ---- */
#modulos {
  background: var(--gray-100);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.module-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--gray-300);
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.module-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.module-card.core::before {
  content: "INCLUSO";
  position: absolute;
  top: -8px;
  right: 12px;
  background: var(--success);
  color: var(--white);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.module-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.module-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.module-card p {
  font-size: 12px;
  color: var(--gray-600);
}

/* ---- Pricing ---- */
#planos {
  background: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-card {
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  position: relative;
  transition: var(--transition);
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.04);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.pricing-desc {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.pricing-price {
  margin-bottom: 12px;
}

.pricing-limit {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
}

.pricing-currency {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  vertical-align: top;
}

.pricing-amount {
  font-size: 44px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
}

.pricing-period {
  font-size: 14px;
  color: var(--gray-600);
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-700);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-features li.disabled {
  color: var(--gray-500);
  text-decoration: line-through;
}
.pricing-features li.disabled::before {
  content: "—";
  color: var(--gray-400);
}

.pricing-addons {
  margin-top: 40px;
  text-align: center;
  padding: 32px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
}

.pricing-addons h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.addons-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.addon-item {
  text-align: center;
}

.addon-price {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.addon-label {
  font-size: 13px;
  color: var(--gray-600);
}

/* ---- Verticals ---- */
#verticais {
  background: var(--gray-100);
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vertical-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--gray-300);
  transition: var(--transition);
}
.vertical-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.vertical-emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.vertical-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.vertical-card p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.vertical-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.vertical-tag {
  padding: 4px 10px;
  background: var(--gray-200);
  border-radius: 50px;
  font-size: 11px;
  color: var(--gray-700);
  font-weight: 500;
}

/* ---- How It Works ---- */
#como-funciona {
  background: var(--white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--gray-300);
  z-index: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.cta-section h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
.cta-section .btn-primary:hover {
  background: var(--gray-100);
}

/* ---- Footer ---- */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 60px 0 32px;
}

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

.footer-brand .nav-logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-500);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--gray-500);
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

/* ---- Responsive ---- */
@media (max-width: 1280px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pricing-card.featured {
    transform: none;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid::before {
    display: none;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-visual {
    display: none;
  }
  .nav-links {
    display: none;
  }
  .nav-mobile-toggle {
    display: block;
  }
  .features-grid,
  .verticals-grid {
    grid-template-columns: 1fr;
  }
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}