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

:root {
  --primary: #1e3a5f;
  --primary-light: #2a5a8c;
  --primary-dark: #0f172a;
  --accent: #22c55e;
  --accent-light: #4ade80;
  --accent-dark: #16a34a;
  --bg: #F8FAFC;
  --bg-alt: #EBF4FF;
  --text: #1E293B;
  --text-light: #64748B;
  --white: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

/* Skip navigation (accessibility) */
.skip-nav {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 9999;
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-nav:focus { top: 0; }

/* Focus visible */
.focus-visible {
  outline: 3px solid var(--accent) !important;
  outline-offset: 2px !important;
}

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}

.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-logo {
  width: 180px;
  height: 180px;
  border-radius: 32px;
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  border: 4px solid rgba(255,255,255,0.2);
}

.hero-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.footer-logo-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
}

.footer-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-logo-text {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-logo-text span {
  color: var(--accent);
}
.logo-bars {
  display: inline-flex;
  gap: 2px;
  margin-left: 1px;
  vertical-align: baseline;
  align-items: flex-end;
  height: 20px;
}
.logo-bars i {
  display: inline-block;
  width: 4px;
  border-radius: 1px;
  font-style: normal;
}
.logo-bars i:nth-child(1) { height: 10px; background: #3b82f6; }
.logo-bars i:nth-child(2) { height: 15px; background: #22c55e; }
.logo-bars i:nth-child(3) { height: 20px; background: #1e3a5f; }

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

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover { color: #ffffff; }
.nav-links a.nav-active { color: #ffffff; font-weight: 700; }

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16,185,129,0.4);
}

.nav-sistema {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-sistema:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(27,58,92,0.4);
  color: white !important;
}

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

.nav-mobile-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  margin: 6px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Typing animation cursor */
.typing::after {
  content: '|';
  animation: blink 0.7s infinite;
  color: var(--accent-light);
  font-weight: 300;
}
.typing.done::after { display: none; }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: white;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-light), #6EE7B7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(16,185,129,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16,185,129,0.5);
}

.btn-outline {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.hero-dashboard {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.hero-dashboard:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0);
}

.dashboard-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
}

.dashboard-dots span:first-child { background: #EF4444; }
.dashboard-dots span:nth-child(2) { background: #F59E0B; }
.dashboard-dots span:nth-child(3) { background: #10B981; }

.dashboard-title {
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 500;
}

.dashboard-body {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.dash-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid rgba(0,0,0,0.05);
}

.dash-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 10px;
}

.dash-card-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.dash-card-label {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

.dash-card:nth-child(1) .dash-card-icon { background: #DBEAFE; }
.dash-card:nth-child(2) .dash-card-icon { background: #D1FAE5; }
.dash-card:nth-child(3) .dash-card-icon { background: #FEF3C7; }
.dash-card:nth-child(4) .dash-card-icon { background: #FCE7F3; }

.hero-float-card {
  position: absolute;
  background: white;
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 3s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: -10px;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 20px;
  left: -30px;
  animation-delay: 1.5s;
}

.float-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.float-text-main {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.float-text-sub {
  font-size: 11px;
  color: var(--text-light);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: white;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 40px 24px;
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.stat-number {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.stat-number span { color: var(--accent); }

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 500;
}

/* ===== SECTIONS COMMON ===== */
.section {
  padding: 100px 24px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== MODULES ===== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.module-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.module-card:hover::before { opacity: 1; }

.module-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.module-card:nth-child(1) .module-icon { background: #DBEAFE; }
.module-card:nth-child(2) .module-icon { background: #D1FAE5; }
.module-card:nth-child(3) .module-icon { background: #FEF3C7; }
.module-card:nth-child(4) .module-icon { background: #FCE7F3; }
.module-card:nth-child(5) .module-icon { background: #E0E7FF; }

.module-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.module-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 20px;
}

.module-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-features li {
  background: var(--bg);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
}

/* ===== FEATURES SECTION ===== */
.features-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
}

.features-section .section-tag {
  background: rgba(255,255,255,0.1);
  color: var(--accent-light);
}

.features-section .section-title {
  color: white;
}

.features-section .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(16,185,129,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.feature-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  background: var(--bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 60px;
  color: var(--accent);
  opacity: 0.2;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
}

.testimonial-name {
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 15px;
}

.testimonial-role {
  font-size: 13px;
  color: var(--text-light);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: background 0.2s;
}

.faq-question:hover { background: var(--bg); }

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ===== CTA FINAL ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.15), transparent 70%);
  border-radius: 50%;
}

.cta-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 24px 24px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 16px;
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: background 0.2s;
  font-size: 14px;
}

.footer-social a:hover { background: var(--accent); }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(15,23,42,0.98);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }
  .nav-links.active a { color: rgba(255,255,255,0.9); }
  .nav-mobile-btn span { background: #fff; }

  .hero-container {
    grid-template-columns: 1fr;
    padding-top: 100px;
  }

  .hero-visual { display: none; }

  .stats-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .modules-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== ABOUT ===== */
.about-section {
  background: white;
}

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

.about-content h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.about-value {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  border-left: 4px solid var(--accent);
}

.about-value h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.about-value p {
  font-size: 13px;
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-stat-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.06);
}

.about-stat-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.about-stat-number {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
}

.about-stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 500;
}

/* ===== APP SECTION ===== */
.app-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  overflow: hidden;
  position: relative;
}

.app-section::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.12), transparent 70%);
  border-radius: 50%;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.app-content h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
}

.app-content h2 .highlight {
  background: linear-gradient(135deg, var(--accent-light), #6EE7B7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 16px;
}

.app-features-list {
  list-style: none;
  margin: 24px 0 36px;
}

.app-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
}

.app-features-list li::before {
  content: '\2713';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(16,185,129,0.25);
  color: var(--accent-light);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.app-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-app {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-radius: 12px;
  background: white;
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-app:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.btn-app-icon {
  font-size: 28px;
}

.btn-app-text small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-light);
  margin-bottom: 2px;
}

.btn-app-text strong {
  display: block;
  font-size: 16px;
}

.app-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-phone {
  width: 280px;
  background: #1a1a2e;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
  border: 3px solid rgba(255,255,255,0.15);
}

.app-phone-screen {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 26px;
  padding: 20px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.app-phone-header {
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 16px;
}

.app-phone-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 auto 8px;
}

.app-phone-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-phone-name {
  color: white;
  font-size: 16px;
  font-weight: 700;
}

.app-phone-version {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
}

.app-phone-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.app-phone-card {
  background: rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-phone-card-icon {
  font-size: 22px;
}

.app-phone-card-text {
  color: white;
  font-size: 13px;
  font-weight: 600;
}

.app-phone-card-sub {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
}

.app-phone-notch {
  width: 120px;
  height: 6px;
  background: rgba(255,255,255,0.2);
  border-radius: 3px;
  margin: 12px auto 0;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .app-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .app-visual {
    order: -1;
  }

  .app-phone {
    width: 240px;
  }
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  z-index: 1001;
  transition: width 0.1s linear;
  width: 0%;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(27,58,92,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(27,58,92,0.4);
}

/* ===== STARS ===== */
.testimonial-stars {
  color: #F59E0B;
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ===== SCREENSHOTS SECTION ===== */
.screenshots-section {
  background: white;
  overflow: hidden;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 40px;
  align-items: center;
}

.screenshot-phone {
  width: 280px;
  margin: 0 auto;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 6px solid #1a1a2e;
}

.screenshot-phone img {
  width: 100%;
  display: block;
}

.screenshot-desktop {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid rgba(0,0,0,0.1);
}

.screenshot-desktop img {
  width: 100%;
  display: block;
}

.screenshots-content h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 16px;
}

.screenshots-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.screenshot-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.screenshot-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-alt);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

@media (max-width: 768px) {
  .screenshots-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-phone {
    width: 220px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVO COMPLETO ===== */

/* Tablet */
@media (max-width: 1024px) {
  .section-container { padding: 0 24px; }
  .hero-container { padding: 0 24px; }
  .section-title { font-size: 28px; }
  .hero h1 { font-size: 36px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 768px) {
  /* Navbar mobile escuro */
  .nav-links.active {
    background: rgba(15,23,42,0.98) !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav-links.active a { color: rgba(255,255,255,0.9) !important; }
  .nav-mobile-btn span { background: #fff; }

  /* Hero */
  .hero { padding: 80px 0 40px; min-height: auto; }
  .hero h1 { font-size: 28px; line-height: 1.2; }
  .hero-desc { font-size: 14px; }
  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-buttons .btn { width: 100%; text-align: center; }

  /* Seções */
  .section { padding: 48px 0; }
  .section-title { font-size: 24px; }
  .section-subtitle { font-size: 14px; }

  /* Grids 1 coluna */
  .modules-grid,
  .features-grid,
  .testimonials-grid,
  .about-grid,
  .screenshots-grid,
  .app-grid { grid-template-columns: 1fr; gap: 20px; }

  /* Steps 2x2 no mobile */
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .step { padding: 20px; }

  /* About */
  .about-values { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .about-stat-card { padding: 16px; }
  .about-stat-number { font-size: 28px; }

  /* Stats bar */
  .stats-container { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 24px; }
  .stat-number { font-size: 32px; }

  /* App section */
  .app-visual { order: -1; }
  .app-phone { width: 200px; }
  .app-features-list li { font-size: 14px; }

  /* Screenshot */
  .screenshot-phone { width: 200px; }

  /* FAQ */
  .faq-question { font-size: 15px; padding: 16px; }

  /* CTA */
  .cta-title { font-size: 24px; }
  .cta-subtitle { font-size: 14px; padding: 0 16px; }
  .cta-buttons { flex-direction: column; gap: 12px; align-items: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  /* WhatsApp float */
  .whatsapp-float { width: 52px; height: 52px; bottom: 16px; right: 16px; }
  .whatsapp-float svg { width: 24px; height: 24px; }

  /* Back to top */
  .back-to-top { bottom: 16px; right: 76px; width: 42px; height: 42px; }

  /* Logo no navbar */
  .netescol-logo-sm span { font-size: 22px; }
  .netescol-logo-sm svg { width: 28px; height: 28px; }
}

/* Mobile pequeno */
@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .section-title { font-size: 22px; }
  .stats-container { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-number { font-size: 28px; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .netescol-logo-sm span { font-size: 20px; }
  .netescol-logo-sm svg { width: 24px; height: 24px; }
}

/* ===== PLANOS ===== */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.plan-card {
  background: var(--white);
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.plan-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, #F0FDF4 0%, var(--white) 40%);
  transform: scale(1.04);
}
.plan-featured:hover { transform: scale(1.04) translateY(-4px); }
.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white; font-size: 12px; font-weight: 700; padding: 4px 18px;
  border-radius: 20px; white-space: nowrap;
}
.plan-name { font-size: 22px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.plan-price { font-size: 38px; font-weight: 900; color: var(--primary); }
.plan-price span { font-size: 16px; font-weight: 400; color: var(--text-light); }
.plan-desc { font-size: 14px; color: var(--text-light); margin: 8px 0 20px; }
.plan-features { list-style: none; text-align: left; margin-bottom: 24px; }
.plan-features li {
  font-size: 14px; color: var(--text); padding: 8px 0;
  border-bottom: 1px solid #F1F5F9;
  display: flex; align-items: center; gap: 8px;
}
.plan-features li::before { content: "\2713"; color: var(--accent); font-weight: 700; }
.plan-btn { width: 100%; display: block; text-align: center; }

@media (max-width: 768px) {
  .plans-grid { grid-template-columns: 1fr; max-width: 400px; }
  .plan-featured { transform: scale(1); }
}

/* ===== CONTATO / FORMULARIO ===== */
.contact-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 80px 0;
}
.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-title {
  font-size: 36px;
  font-weight: 900;
  color: white;
  line-height: 1.2;
  margin: 16px 0;
}
.contact-desc {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 16px 20px;
  text-decoration: none;
  transition: background 0.2s;
}
.contact-channel:hover { background: rgba(255,255,255,0.14); }
.contact-channel strong { color: white; font-size: 15px; display: block; }
.contact-channel span { color: rgba(255,255,255,0.5); font-size: 13px; }

.contact-form-wrapper { position: relative; }
.contact-form {
  background: white;
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-xl);
}
.contact-form h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E2E8F0;
  border-radius: 10px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
  background: #F8FAFC;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: white;
}
.form-group input:invalid:not(:placeholder-shown) {
  border-color: #ef4444;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  margin-top: 8px;
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 12px;
}
.form-success {
  background: white;
  border-radius: 20px;
  padding: 60px 36px;
  text-align: center;
  box-shadow: var(--shadow-xl);
}
.success-icon { font-size: 48px; margin-bottom: 16px; }
.form-success h3 { font-size: 24px; font-weight: 800; color: var(--accent-dark); margin-bottom: 8px; }
.form-success p { color: var(--text-light); font-size: 15px; }

@media (max-width: 768px) {
  .contact-container { grid-template-columns: 1fr; gap: 32px; }
  .contact-title { font-size: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

/* ===== WHATSAPP FLUTUANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: whatsapp-pulse 2s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}
@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6); }
}

/* ===== NETESCOL LOGO (HTML/CSS identica ao sistema) ===== */
.netescol-logo {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -1px;
}
.netescol-logo svg { margin-bottom: -2px; }
.netescol-logo p {
  width: 100%;
  font-weight: 300;
  color: #94a3b8;
  letter-spacing: 2px;
  margin-top: 4px;
}
.netescol-logo-sm span { font-size: 28px; }
.netescol-logo-sm svg { width: 34px; height: 34px; }
.netescol-logo-lg span { font-size: 64px; }
.netescol-logo-lg svg { width: 72px; height: 72px; }
.netescol-logo-lg p { font-size: 18px; margin-left: 2px; }
.netescol-logo-md span { font-size: 32px; }
.netescol-logo-md svg { width: 38px; height: 38px; }

/* ===== BOTAO SISTEMA NAVBAR ===== */
.nav-sistema {
  background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: 10px !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  transition: all 0.3s !important;
  box-shadow: 0 2px 8px rgba(27, 58, 92, 0.3);
}
.nav-sistema:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(27, 58, 92, 0.4) !important;
}