/* =========================================
   QR Inclusivo — Main Stylesheet
   ========================================= */

:root {
  --primary: #0a5c8a;
  --primary-dark: #073d5e;
  --primary-light: #1a8cc4;
  --accent: #00b4d8;
  --accent2: #48cae4;
  --green: #2dc653;
  --green-dark: #1a9e3f;
  --white: #ffffff;
  --off-white: #f0f8ff;
  --gray-light: #e8f4fd;
  --gray: #6b7280;
  --gray-dark: #374151;
  --dark: #0d1b2a;
  --text: #1f2937;
  --text-light: #6b7280;
  --shadow: 0 4px 24px rgba(10, 92, 138, 0.12);
  --shadow-lg: 0 12px 48px rgba(10, 92, 138, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
}

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

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

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

.section-tag {
  display: inline-block;
  background: rgba(0, 180, 216, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title span { color: var(--primary); }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(10, 92, 138, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(10, 92, 138, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 6px 24px rgba(0, 180, 216, 0.35);
}

.btn-accent:hover {
  background: var(--accent2);
  transform: translateY(-2px);
}

/* =========================================
   NAVBAR
   ========================================= */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all 0.4s ease;
}

#navbar.scrolled {
  background: rgba(7, 61, 94, 0.97);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

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

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

.nav-logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.4);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}

.nav-logo-tagline {
  font-size: 0.65rem;
  color: var(--accent2);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  font-weight: 700 !important;
  padding: 9px 20px !important;
  border-radius: 50px !important;
  box-shadow: 0 4px 16px rgba(0, 180, 216, 0.4);
}

.nav-cta:hover {
  background: var(--accent2) !important;
  transform: translateY(-1px);
}

.nav-close { display: none; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

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

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  background: var(--accent);
}

.shape-1 { width: 600px; height: 600px; top: -200px; right: -200px; }
.shape-2 { width: 400px; height: 400px; bottom: -100px; left: -100px; }
.shape-3 { width: 200px; height: 200px; top: 40%; left: 30%; background: var(--white); }

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 140px 0 100px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--accent2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--accent);
  position: relative;
}

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.5;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.75;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-device-mockup {
  position: relative;
  width: 340px;
}

.device-phone {
  width: 260px;
  height: 520px;
  background: var(--dark);
  border-radius: 36px;
  border: 3px solid rgba(255,255,255,0.15);
  padding: 16px 12px;
  box-shadow:
    0 40px 80px rgba(0,0,0,0.4),
    0 0 0 1px rgba(255,255,255,0.05),
    inset 0 1px 0 rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.device-phone::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
}

.device-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #0d1b2a 0%, #0a5c8a 100%);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  margin-top: 12px;
}

.screen-header {
  background: rgba(0, 180, 216, 0.2);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.screen-header-title {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 1px;
}

.screen-header-sub {
  font-size: 0.5rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.screen-video-area {
  background: rgba(0,0,0,0.4);
  border-radius: 10px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.screen-video-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,180,216,0.2), rgba(72,202,228,0.1));
}

.screen-play-btn {
  width: 36px;
  height: 36px;
  background: rgba(0, 180, 216, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  animation: float 3s ease-in-out infinite;
  z-index: 1;
}

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

.screen-libras {
  background: rgba(45, 198, 83, 0.15);
  border: 1px solid rgba(45, 198, 83, 0.3);
  border-radius: 10px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.screen-caption {
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 8px;
}

.screen-caption-bar {
  height: 5px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  margin-bottom: 5px;
}

.screen-caption-bar:last-child {
  width: 60%;
  margin-bottom: 0;
}

.screen-controls {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.screen-ctrl {
  flex: 1;
  height: 28px;
  background: rgba(0, 180, 216, 0.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--accent2);
}

.screen-audio-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 28px;
  background: rgba(10, 92, 138, 0.4);
  border-radius: 8px;
}

.wave-bar {
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}

.wave-bar:nth-child(1) { height: 8px; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.wave-bar:nth-child(3) { height: 12px; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 20px; animation-delay: 0.3s; }
.wave-bar:nth-child(5) { height: 14px; animation-delay: 0.4s; }
.wave-bar:nth-child(6) { height: 18px; animation-delay: 0.5s; }
.wave-bar:nth-child(7) { height: 10px; animation-delay: 0.6s; }
.wave-bar:nth-child(8) { height: 16px; animation-delay: 0.7s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50% { transform: scaleY(1.8); opacity: 1; }
}

/* Floating QR Badge */
.qr-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  animation: float 4s ease-in-out infinite;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(5, 10px);
  grid-template-rows: repeat(5, 10px);
  gap: 2px;
}

.qr-cell {
  background: var(--dark);
  border-radius: 1px;
}

.qr-cell.empty { background: transparent; }
.qr-cell.corner { border-radius: 3px; }

.qr-label {
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
}

.access-badge {
  position: absolute;
  bottom: 20px;
  left: -30px;
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  color: var(--white);
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(45, 198, 83, 0.4);
  animation: float 3.5s ease-in-out infinite 1s;
  white-space: nowrap;
}

.access-badge-title {
  font-size: 0.7rem;
  font-weight: 700;
}

.access-badge-sub {
  font-size: 0.58rem;
  opacity: 0.85;
}

/* =========================================
   ABOUT SECTION
   ========================================= */
#sobre {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 440px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-image-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(0,180,216,0.25) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 50%);
}

.about-icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 40px;
  position: relative;
  z-index: 1;
}

.about-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: var(--transition);
}

.about-icon-item:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}

.about-icon-item span {
  font-size: 1.8rem;
}

.about-icon-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-align: center;
  line-height: 1.3;
}

.about-stat-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 200px;
}

.about-stat-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.about-stat-value {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
}

.about-stat-label {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-top: 2px;
}

.about-content .section-sub {
  margin-bottom: 32px;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.about-list-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-list-icon {
  width: 40px;
  height: 40px;
  background: var(--gray-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-list-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.about-list-text p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* =========================================
   FEATURES / MODULES
   ========================================= */
#funcionalidades {
  padding: 100px 0;
  background: var(--off-white);
}

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

.features-header .section-sub {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(10, 92, 138, 0.06);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 24px;
}

.feature-card:nth-child(1) .feature-icon-wrap { background: rgba(0, 180, 216, 0.1); }
.feature-card:nth-child(2) .feature-icon-wrap { background: rgba(45, 198, 83, 0.1); }
.feature-card:nth-child(3) .feature-icon-wrap { background: rgba(10, 92, 138, 0.1); }
.feature-card:nth-child(4) .feature-icon-wrap { background: rgba(249, 168, 37, 0.1); }
.feature-card:nth-child(5) .feature-icon-wrap { background: rgba(239, 68, 68, 0.1); }
.feature-card:nth-child(6) .feature-icon-wrap { background: rgba(139, 92, 246, 0.1); }

.feature-number {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.8;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 20px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.feature-tag {
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--gray-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 50px;
}

/* =========================================
   HOW IT WORKS
   ========================================= */
#como-funciona {
  padding: 100px 0;
  background: var(--white);
}

.how-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: flex;
  gap: 24px;
  position: relative;
  padding-bottom: 36px;
}

.step-item:last-child { padding-bottom: 0; }

.step-item:not(:last-child) .step-line-wrap::after {
  content: '';
  position: absolute;
  top: 52px;
  left: 20px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(10, 92, 138, 0.1));
}

.step-line-wrap {
  position: relative;
  flex-shrink: 0;
}

.step-number {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(10, 92, 138, 0.3);
  position: relative;
  z-index: 1;
}

.step-content {
  padding-top: 8px;
  flex: 1;
}

.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* How Visual */
.how-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.how-screen {
  width: 100%;
  max-width: 420px;
  height: 340px;
  background: linear-gradient(135deg, var(--dark), var(--primary-dark));
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  padding: 20px;
}

.how-screen-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.85;
}

.how-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  height: calc(100% - 40px);
}

.how-panel {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.how-panel-label {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.6;
}

.how-panel.video .how-panel-label { color: var(--accent2); }
.how-panel.libras .how-panel-label { color: var(--green); }
.how-panel.audio .how-panel-label { color: #f9a825; }
.how-panel.caption .how-panel-label { color: #ef4444; }

.how-panel-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.how-panel.caption .how-panel-content {
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  justify-content: flex-end;
  font-size: 0;
}

.caption-line {
  height: 6px;
  background: rgba(255,255,255,0.2);
  border-radius: 3px;
  width: 100%;
}

.caption-line:last-child { width: 65%; }

/* =========================================
   APPLICATIONS
   ========================================= */
#aplicacoes {
  padding: 100px 0;
  background: var(--off-white);
}

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

.apps-header .section-sub { margin: 0 auto; }

.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.app-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.app-card-image {
  height: 220px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-card:nth-child(1) .app-card-image {
  background: linear-gradient(135deg, #0a5c8a, #00b4d8);
}

.app-card:nth-child(2) .app-card-image {
  background: linear-gradient(135deg, #1a9e3f, #48cae4);
}

.app-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.app-card-emoji {
  font-size: 5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.3));
}

.app-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
}

.app-card-body {
  padding: 32px;
  flex: 1;
}

.app-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.app-card-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.app-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.app-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
}

.app-feature-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* =========================================
   ACCESSIBILITY BANNER
   ========================================= */
#acessibilidade {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  position: relative;
  overflow: hidden;
}

#acessibilidade::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 50%, rgba(0, 180, 216, 0.2) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.access-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.access-inner .section-tag {
  background: rgba(255,255,255,0.12);
  color: var(--accent2);
  border: 1px solid rgba(255,255,255,0.2);
}

.access-inner .section-title {
  color: var(--white);
}

.access-inner .section-title span { color: var(--accent2); }

.access-inner .section-sub {
  color: rgba(255,255,255,0.75);
  margin: 0 auto 48px;
}

.access-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.access-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 12px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.access-pill:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.access-pill-icon { font-size: 1.2rem; }

/* =========================================
   TECHNOLOGY
   ========================================= */
#tecnologia {
  padding: 100px 0;
  background: var(--white);
}

.tech-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.tech-content .section-sub { margin-bottom: 36px; }

.tech-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--gray-light);
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid transparent;
}

.tech-item:hover {
  border-color: rgba(10, 92, 138, 0.15);
  background: rgba(10, 92, 138, 0.05);
  transform: translateX(4px);
}

.tech-item-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 10px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.tech-item-info strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
}

.tech-item-info span {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* Tech Visual */
.tech-visual {
  position: relative;
}

.tech-diagram {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--dark), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.tech-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
}

.tech-diag-title {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

.tech-flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  position: relative;
  z-index: 1;
}

.tech-flow-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-flow-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  transition: var(--transition);
}

.tech-flow-box:hover {
  background: rgba(255,255,255,0.14);
}

.tech-flow-icon { font-size: 1rem; }

.tech-flow-text {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  line-height: 1.3;
}

.tech-flow-arrow {
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0.7;
  flex-shrink: 0;
}

.tech-flow-badge {
  display: inline-block;
  background: rgba(0, 180, 216, 0.2);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--accent2);
  font-size: 0.58rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 3px;
}

/* =========================================
   DIFFERENTIALS
   ========================================= */
#diferenciais {
  padding: 100px 0;
  background: var(--off-white);
}

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

.diff-header .section-sub { margin: 0 auto; }

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

.diff-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.diff-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.diff-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  display: block;
}

.diff-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.diff-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* =========================================
   CTA
   ========================================= */
#contato {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 60%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}

#contato::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 180, 216, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(45, 198, 83, 0.1) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner .section-title {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.cta-inner .section-title span { color: var(--accent2); }

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.cta-info {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.cta-info-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-info-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}

/* =========================================
   FOOTER
   ========================================= */
footer {
  background: var(--dark);
  padding: 60px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand { max-width: 300px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.footer-logo-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-badge {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  border-radius: 50px;
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent2);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}

.footer-copyright strong {
  color: rgba(255,255,255,0.6);
}

.footer-credits {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}

/* =========================================
   BACK TO TOP
   ========================================= */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 20px rgba(10, 92, 138, 0.4);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 900;
}

#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

#back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(10, 92, 138, 0.5);
}

/* =========================================
   ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   MOBILE NAV
   ========================================= */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 61, 94, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .nav-close {
    display: block;
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
  }

  .nav-hamburger { display: flex; }
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 120px 0 80px;
    gap: 48px;
  }

  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-stat-card { right: 0; bottom: -16px; }

  .how-inner { grid-template-columns: 1fr; gap: 48px; }
  .tech-inner { grid-template-columns: 1fr; gap: 48px; }

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

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { max-width: 100%; }

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

  .cta-info { gap: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .btn { padding: 12px 24px; font-size: 0.88rem; }
  .feature-card { padding: 28px 24px; }
  .app-card-body { padding: 24px; }
  .app-features { grid-template-columns: 1fr; }
}