/* ============================================================
   ReeSoft SaaS Landing Page — Design System
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --rs-primary: #5ABF35;
  --rs-primary-dark: #00a65a;
  --rs-primary-light: #E8F5E1;
  --rs-primary-glow: rgba(90, 191, 53, 0.3);
  --rs-dark: #0F1B0F;
  --rs-dark-2: #162316;
  --rs-surface: #F8FAF8;
  --rs-white: #FFFFFF;
  --rs-text: #1A2E1A;
  --rs-text-light: #FFFFFF;
  --rs-muted: #5A7B5A;
  --rs-accent: #F59E0B;
  --rs-gradient: linear-gradient(135deg, #5ABF35, #00a65a);
  --rs-gradient-dark: linear-gradient(135deg, #0F1B0F 0%, #1a3a1a 50%, #0F1B0F 100%);
  --rs-shadow: 0 4px 24px rgba(90, 191, 53, 0.12);
  --rs-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --rs-radius: 16px;
  --rs-radius-sm: 12px;
  --rs-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--rs-text);
  background: var(--rs-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ---- Buttons ---- */
.rs-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--rs-radius-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--rs-transition);
  letter-spacing: -0.01em;
}
.rs-btn-primary {
  background: var(--rs-gradient);
  color: var(--rs-white);
  box-shadow: 0 4px 16px var(--rs-primary-glow);
}
.rs-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--rs-primary-glow);
}
.rs-btn-outline {
  background: transparent;
  color: var(--rs-white);
  border: 2px solid rgba(255,255,255,0.3);
}
.rs-btn-outline:hover {
  border-color: var(--rs-primary);
  background: rgba(90, 191, 53, 0.1);
  color: var(--rs-primary);
}
.rs-btn-dark {
  background: var(--rs-dark);
  color: var(--rs-white);
}
.rs-btn-dark:hover {
  background: var(--rs-dark-2);
  transform: translateY(-2px);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.rs-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--rs-transition);
}
.rs-navbar.scrolled {
  background: rgba(15, 27, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}
.rs-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.rs-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.rs-logo img {
  height: 38px;
  width: auto;
}
.rs-logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--rs-white);
  letter-spacing: -0.03em;
}
.rs-logo-text span {
  color: var(--rs-primary);
}
.rs-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.rs-nav-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--rs-transition);
}
.rs-nav-links a:hover {
  color: var(--rs-primary);
}
.rs-nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.rs-nav-cta .rs-btn {
  padding: 10px 24px;
  font-size: 14px;
}
.rs-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--rs-white);
  font-size: 24px;
  cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
.rs-hero {
  background: var(--rs-gradient-dark);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.rs-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(90, 191, 53, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: rs-pulse 8s ease-in-out infinite;
}
.rs-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 166, 90, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  animation: rs-pulse 10s ease-in-out infinite reverse;
}
.rs-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.rs-hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  color: var(--rs-white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.rs-hero-content h1 .rs-highlight {
  background: var(--rs-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.rs-hero-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}
.rs-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.rs-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(90, 191, 53, 0.12);
  border: 1px solid rgba(90, 191, 53, 0.25);
  border-radius: 100px;
  color: var(--rs-primary);
  font-size: 13px;
  font-weight: 500;
}
.rs-hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.rs-hero-image {
  position: relative;
}
.rs-hero-image img {
  width: 100%;
  max-width: 580px;
  border-radius: 20px;
  box-shadow: var(--rs-shadow-lg);
  animation: rs-float 6s ease-in-out infinite;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.rs-trust {
  padding: 60px 0;
  background: var(--rs-surface);
  text-align: center;
}
.rs-trust p {
  font-size: 14px;
  font-weight: 600;
  color: var(--rs-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.rs-trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.5;
}
.rs-trust-item {
  font-size: 20px;
  font-weight: 700;
  color: var(--rs-text);
  letter-spacing: -0.02em;
}

/* ============================================================
   MODULES SECTION
   ============================================================ */
.rs-modules {
  padding: 100px 0;
}
.rs-section-header {
  text-align: center;
  margin-bottom: 64px;
}
.rs-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--rs-primary-light);
  color: var(--rs-primary-dark);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.rs-section-header h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--rs-text);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.rs-section-header p {
  font-size: 17px;
  color: var(--rs-muted);
  max-width: 600px;
  margin: 0 auto;
}
.rs-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rs-module-card {
  background: var(--rs-white);
  border: 1px solid #e8ede8;
  border-radius: var(--rs-radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--rs-transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.rs-module-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--rs-shadow);
  border-color: var(--rs-primary);
}
.rs-module-card.featured {
  border-color: var(--rs-primary);
  background: linear-gradient(180deg, var(--rs-primary-light) 0%, var(--rs-white) 100%);
}
.rs-module-card.featured::after {
  content: '⭐ Destacado';
  position: absolute;
  top: 12px;
  right: -28px;
  background: var(--rs-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 36px;
  transform: rotate(45deg);
}
.rs-module-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 18px;
  background: var(--rs-primary-light);
  color: var(--rs-primary-dark);
}
.rs-module-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--rs-text);
  margin-bottom: 8px;
}
.rs-module-card p {
  font-size: 13px;
  color: var(--rs-muted);
  line-height: 1.5;
}

/* ============================================================
   FEATURE SHOWCASE (alternating rows)
   ============================================================ */
.rs-feature {
  padding: 80px 0;
}
.rs-feature:nth-child(even) {
  background: var(--rs-surface);
}
.rs-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.rs-feature.reverse .rs-feature-grid {
  direction: rtl;
}
.rs-feature.reverse .rs-feature-text {
  direction: ltr;
}
.rs-feature-text .rs-section-tag {
  margin-bottom: 12px;
}
.rs-feature-text h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--rs-text);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.rs-feature-text p {
  font-size: 16px;
  color: var(--rs-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}
.rs-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rs-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--rs-text);
}
.rs-feature-list li i {
  color: var(--rs-primary);
  margin-top: 3px;
  font-size: 16px;
}
.rs-feature-img {
  border-radius: var(--rs-radius);
  overflow: hidden;
  box-shadow: var(--rs-shadow-lg);
}
.rs-feature-img img {
  width: 100%;
  display: block;
  border-radius: var(--rs-radius);
}

/* ============================================================
   BUSINESS TYPES
   ============================================================ */
.rs-business {
  padding: 100px 0;
  background: var(--rs-gradient-dark);
  text-align: center;
}
.rs-business .rs-section-header h2 {
  color: var(--rs-white);
}
.rs-business .rs-section-header p {
  color: rgba(255,255,255,0.6);
}
.rs-business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.rs-business-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--rs-radius);
  padding: 36px 20px;
  transition: var(--rs-transition);
}
.rs-business-card:hover {
  background: rgba(90, 191, 53, 0.12);
  border-color: var(--rs-primary);
  transform: translateY(-4px);
}
.rs-business-card .icon {
  font-size: 40px;
  margin-bottom: 14px;
}
.rs-business-card h4 {
  color: var(--rs-white);
  font-size: 15px;
  font-weight: 600;
}

/* ============================================================
   STATS
   ============================================================ */
.rs-stats {
  padding: 80px 0;
  background: var(--rs-surface);
}
.rs-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.rs-stat {
  text-align: center;
}
.rs-stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--rs-primary-dark);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.rs-stat p {
  font-size: 14px;
  font-weight: 500;
  color: var(--rs-muted);
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.rs-cta {
  padding: 100px 0;
  text-align: center;
}
.rs-cta-box {
  background: var(--rs-gradient);
  border-radius: 24px;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
}
.rs-cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.rs-cta-box h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--rs-white);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  position: relative;
}
.rs-cta-box p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  position: relative;
}
.rs-cta-box .rs-btn-dark {
  position: relative;
  font-size: 16px;
  padding: 16px 40px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.rs-footer {
  background: var(--rs-dark);
  padding: 60px 0 30px;
}
.rs-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.rs-footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.7;
}
.rs-footer h4 {
  color: var(--rs-white);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.rs-footer-links {
  list-style: none;
}
.rs-footer-links li {
  margin-bottom: 10px;
}
.rs-footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 14px;
  transition: var(--rs-transition);
}
.rs-footer-links a:hover {
  color: var(--rs-primary);
}
.rs-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.rs-footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 13px;
}
.rs-footer-social {
  display: flex;
  gap: 16px;
}
.rs-footer-social a {
  color: rgba(255,255,255,0.4);
  font-size: 18px;
  transition: var(--rs-transition);
}
.rs-footer-social a:hover {
  color: var(--rs-primary);
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.rs-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 14px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: var(--rs-transition);
  animation: rs-bounce 3s ease-in-out infinite;
}
.rs-whatsapp:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}
.rs-whatsapp i {
  font-size: 22px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes rs-float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}
@keyframes rs-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
}
@keyframes rs-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Scroll Reveal */
.rs-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.rs-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .rs-hero-content h1 { font-size: 40px; }
  .rs-modules-grid { grid-template-columns: repeat(2, 1fr); }
  .rs-business-grid { grid-template-columns: repeat(3, 1fr); }
  .rs-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rs-footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .rs-hero-grid { grid-template-columns: 1fr; text-align: center; }
  .rs-hero-content p { margin: 0 auto 36px; }
  .rs-hero-buttons { justify-content: center; }
  .rs-hero-badges { justify-content: center; }
  .rs-hero-image { margin-top: 40px; }
  .rs-hero-content h1 { font-size: 34px; }
  .rs-feature-grid { grid-template-columns: 1fr; gap: 40px; }
  .rs-feature.reverse .rs-feature-grid { direction: ltr; }
  .rs-section-header h2 { font-size: 30px; }
  .rs-business-grid { grid-template-columns: repeat(2, 1fr); }
  /* Mobile nav: hide links, show hamburger + login button */
  .rs-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 27, 15, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 0;
    border-top: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  }
  .rs-nav-links.open {
    display: flex;
  }
  .rs-nav-links li {
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .rs-nav-links a {
    display: block;
    padding: 14px 0;
    font-size: 15px;
    color: rgba(255,255,255,0.8);
  }
  .rs-nav-links a:hover { color: var(--rs-primary); }
  /* Keep login button visible on mobile */
  .rs-nav-cta { display: flex; order: 1; }
  .rs-nav-cta .rs-btn { padding: 8px 16px; font-size: 13px; border-radius: 10px; }
  .rs-nav-cta .rs-btn i { font-size: 14px; }
  .rs-mobile-toggle { display: block; order: 2; margin-left: 8px; }
  .rs-navbar-inner { flex-wrap: wrap; position: relative; }
  .rs-cta-box { padding: 50px 30px; }
  .rs-cta-box h2 { font-size: 28px; }
  .rs-footer-grid { grid-template-columns: 1fr; }
  .rs-whatsapp span { display: none; }
  .rs-whatsapp { padding: 16px; border-radius: 50%; }
}
@media (max-width: 480px) {
  .rs-hero-content h1 { font-size: 28px; }
  .rs-modules-grid { grid-template-columns: 1fr; }
  .rs-business-grid { grid-template-columns: 1fr; }
  .rs-stats-grid { grid-template-columns: 1fr; gap: 24px; }
}