/* =========================================
   K-Admin Landing Page Styles - B2B SaaS
   Copywriting and UX/CRO Focused Update
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =========================================
   1. VARIABLES & THEME
   ========================================= */
:root {
  /* Logo Colors & Brand */
  --primary-color: #1a2b3c;    /* Logo dark navy */
  --primary-light: #2c425c;
  --secondary-color: #1b75bc;  /* Logo bright blue */
  --secondary-hover: #125488;
  --secondary-gradient: linear-gradient(135deg, #1b75bc 0%, #3498db 100%);
  --accent-color: #f39c12;     /* Warning/Alert accent */

  /* Neutrals */
  --text-main: #1f2937;
  --text-body: #4b5563;
  --text-light: #9ca3af;
  --text-gray: #6b7280;
  --bg-body: #f9fafb;
  --bg-white: #ffffff;
  --bg-light: #f3f4f6;
  --bg-dark: #111827;
  --border-color: #e5e7eb;

  /* Functional */
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;

  /* Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.05); /* Softer */
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  --shadow-primary: 0 15px 35px -5px rgba(27, 117, 188, 0.3);

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* =========================================
   2. RESET & BASE
   ========================================= */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box; /* Garante que padding não afete a largura */
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

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

/* Typography Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-gray { color: var(--text-gray) !important; }
.text-white { color: #fff !important; }
.text-center { text-align: center; }
.text-underline { text-decoration: underline; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.bg-primary { background-color: var(--primary-color); color: white;}
.bg-light { background-color: var(--bg-light); }

.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-primary { box-shadow: var(--shadow-primary) !important; }

/* Premium Effects CSS */
.glass-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.5));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}
.border-glow {
  transition: all 0.3s ease;
}
.border-glow:hover {
  box-shadow: 0 0 35px rgba(27, 117, 188, 0.25);
  border-color: rgba(27, 117, 188, 0.4);
}

/* =========================================
   3. UTILITIES & COMPONENTS
   ========================================= */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--text-gray);
  max-width: 650px;
  margin: 0 auto;
}

/* Base Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  white-space: nowrap;
  font-size: 1rem;
}

.btn:active {
  transform: scale(0.96);
}

.btn-lg {
  padding: 1.1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background: var(--secondary-color);
  color: white;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--border-color);
  background: rgba(0,0,0,0.03);
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

.btn-white {
  background: white;
  color: var(--secondary-color);
}
.btn-white:hover {
  transform: translateY(-2px);
  background: var(--bg-light);
}

.btn-glow {
  animation: btn-glow-pulse 2s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
}

@keyframes btn-glow-pulse {
  0% { box-shadow: 0 0 0 0 rgba(27, 117, 188, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(27, 117, 188, 0); }
  100% { box-shadow: 0 0 0 0 rgba(27, 117, 188, 0); }
}

/* Premium CTA Button & Visual Signature */
.btn-premium {
  background: var(--secondary-gradient);
  border: 1px solid rgba(255,255,255,0.2);
  color: white !important;
  box-shadow: 0 0 20px rgba(52, 152, 219, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-premium::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: rotate(30deg) translate(-50%, -50%);
  animation: premium-shine 4s infinite cubic-bezier(0.19, 1, 0.22, 1);
  z-index: -1;
}

.btn-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(52, 152, 219, 0.6), inset 0 1px 0 rgba(255,255,255,0.4);
}

@keyframes premium-shine {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}

.visual-signature-mesh {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 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: 40px 40px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  z-index: 1;
  pointer-events: none;
}

.data-line {
  stroke: rgba(52, 152, 219, 0.5);
  stroke-width: 2;
  stroke-dasharray: 6, 6;
  animation: data-flow 2s linear infinite;
}

.d-line-1 { animation-delay: 0s; }
.d-line-2 { animation-delay: 0.5s; animation-direction: reverse; }
.d-line-3 { animation-delay: 1s; animation-direction: reverse; }
.d-line-4 { animation-delay: 1.5s; }

@keyframes data-flow {
  0% { stroke-dashoffset: 12; }
  100% { stroke-dashoffset: 0; }
}


/* =========================================
   4. HEADER & NAV
   ========================================= */
.header {
  height: var(--header-height);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100vw;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-body);
}

.nav-link:hover {
  color: var(--secondary-color);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

/* =========================================
   5. MOBILE MENU
   ========================================= */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: white;
  z-index: 1050;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.mobile-menu-overlay.active {
  transform: translateX(0);
}

.mobile-menu-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: var(--text-main);
}

.mobile-nav {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.mobile-nav-link {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-main);
}

/* =========================================
   6. HERO SECTION
   ========================================= */
.hero {
  padding: calc(var(--header-height) + 80px) 0 80px;
  background-color: #0b1120;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
  overflow: hidden;
  color: #f8fafc;
}

.hero .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}
.hero .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

.hero-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: float-slow 20s infinite alternate;
}

.shape-1 {
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(27, 117, 188, 0.4);
  filter: blur(150px);
}

.shape-2 {
  bottom: 10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: rgba(243, 156, 18, 0.2);
  filter: blur(150px);
  animation-delay: -5s;
}

.shape-3 {
  top: 40%;
  right: 20%;
  width: 200px;
  height: 200px;
  background: rgba(52, 152, 219, 0.3);
  filter: blur(150px);
  animation-delay: -10s;
}

@keyframes float-slow {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.1) translate(30px, -30px); }
  100% { transform: scale(0.9) translate(-30px, 30px); }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-content {
  z-index: 10;
}

.hero-badge {
  display: inline-block;
  background: rgba(27, 117, 188, 0.1);
  color: var(--secondary-color);
  padding: 8px 16px;
  border-radius: var(--radius-full, 30px);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  border: 1px solid rgba(27, 117, 188, 0.2);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 24px;
  max-width: 900px;
  letter-spacing: -0.05em;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #9ca3af;
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

/* Trust Elements */
.hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 60px;
  font-size: 0.9rem;
  color: #9ca3af;
}

.trust-avatars {
  display: flex;
}

.trust-avatars img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid white;
  margin-left: -10px;
}
.trust-avatars img:first-child { margin-left: 0; }

/* Mobile-First Hero Illustration */
.hero-illustration {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.illustration-lines {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
}

.illust-center {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.illust-logo-circle {
  width: 70px; height: 70px;
  background: var(--secondary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 32px;
  margin-bottom: 0.5rem;
}

.illust-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: #ffffff;
}

.illust-pulse {
  position: absolute;
  top: -15px; left: -15px; right: -15px; bottom: -15px;
  border: 2px solid var(--secondary-color);
  border-radius: 30px;
  animation: pulse-ring 2.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}

.illust-node {
  position: absolute;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.icon-bg {
  width: 60px; height: 60px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.node-label { 
  font-size: 0.75rem; 
  font-weight: 800; 
  color: #cbd5e1; 
  background: transparent; 
  padding: 2px 8px; 
  border-radius: 12px; 
  text-transform: uppercase;
}

.node-tl { top: 5%; left: 0%; transform: translateX(-5%); }
.node-tr { top: 5%; right: 0%; transform: translateX(5%); }
.node-bl { bottom: 5%; left: 0%; transform: translateX(-5%); }
.node-br { bottom: 5%; right: 0%; transform: translateX(5%); }

.micro-interaction {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  z-index: 20;
  transition: all 0.3s;
}

.badge-marketplace { bottom: -30px; left: -10px; color: #60a5fa; border: 1px solid rgba(96, 165, 250, 0.3); background: rgba(30, 58, 138, 0.6); animation: float-badge 6s infinite 0.5s; }
.badge-whatsapp { top: -30px; right: -10px; background: rgba(22, 163, 74, 0.8); color: white; animation: float-badge 6s infinite 2s; border: 1px solid rgba(74, 222, 128, 0.3); box-shadow: 0 6px 16px rgba(22, 163, 74, 0.3);}
.badge-payment { top: -30px; left: -10px; color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.3); background: rgba(120, 53, 15, 0.6); animation: float-badge 6s infinite 3.5s; }
.badge-logistics { bottom: -30px; right: -10px; color: #f87171; border: 1px solid rgba(248, 113, 113, 0.3); background: rgba(127, 29, 29, 0.6); animation: float-badge 6s infinite 5s; }

@keyframes float-badge {
  0% { opacity: 0; transform: translateY(10px) scale(0.9); }
  10% { opacity: 1; transform: translateY(0) scale(1); }
  40% { opacity: 1; transform: translateY(0) scale(1); }
  45% { opacity: 0; transform: translateY(-10px) scale(0.95); }
  100% { opacity: 0; }
}

/* =========================================
   7. CHALLENGES / DORES (ICP focus)
   ========================================= */
.challenges {
  padding: 100px 0;
  background-color: #0f172a;
  color: #e2e8f0;
}
.challenges .section-header h2 { color: #ffffff; }
.challenges .section-header p { color: #cbd5e1; }

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.challenge-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.challenge-card:hover {
  border-color: rgba(27, 117, 188, 0.3);
  box-shadow: 0 20px 40px -10px rgba(27, 117, 188, 0.1);
}

.challenge-card:hover .icon-box {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 20px rgba(27, 117, 188, 0.15);
}

.icon-box {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}

.icon-box.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.challenge-card h3 {
  font-size: 1.25rem;
  color: #f8fafc;
  margin-bottom: 12px;
  font-weight: 700;
}

.challenge-card p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

/* =========================================
   8. FEATURES / SOLUÇÕES
   ========================================= */
.features {
  padding: 100px 0;
  background: var(--bg-body);
}

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

.features-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.features-text p {
  font-size: 1.1rem;
  color: var(--text-body);
  margin-bottom: 40px;
}

.features-list-highlight {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.features-list-highlight li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.f-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(27, 117, 188, 0.1);
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 5px;
}

.f-content strong {
  display: block;
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.f-content span {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.5;
}

/* Mockups visuais abstratos */
.features-visual {
  position: relative;
  padding: 20px;
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.stat-card.mt-card {
  margin-top: -30px;
  margin-left: 40px;
  position: relative;
  z-index: 2;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.stat-title {
  font-weight: 600;
  color: var(--primary-color);
}

.stat-badge {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 700;
}

.stat-bar-group {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 100px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.stat-bar {
  flex: 1;
  background: var(--bg-light);
  border-radius: 4px 4px 0 0;
  transition: height 1s ease;
}

.invoice-mockup {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inv-row {
  display: flex;
  gap: 10px;
}

.inv-line {
  height: 12px;
  background: var(--bg-light);
  border-radius: 6px;
  flex: 1;
}

.inv-line.short {
  flex: 0.4;
}

/* =========================================
   9. BENEFITS
   ========================================= */
.benefits {
  padding: 80px 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
}

.benefits-grid::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 30%;
  width: 40%;
  height: 60%;
  background: radial-gradient(circle, rgba(27,117,188,0.2) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}

.benefit-item {
  text-align: center;
  padding: 20px;
  position: relative;
  z-index: 10;
}

.benefit-icon {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.benefit-item h4 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.benefit-item p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

/* =========================================
   10. HOW IT WORKS (Timeline)
   ========================================= */
.how-it-works {
  padding: 100px 0;
  background: white;
}

.steps-timeline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
}

.step-card {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: var(--radius-lg);
  width: 30%;
  position: relative;
  text-align: center;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid white;
}

.step-card h4 {
  margin-top: 15px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-body);
}

.step-arrow {
  font-size: 2rem;
  color: var(--border-color);
}

/* =========================================
   11. PARA QUEM É (Audience)
   ========================================= */
.audience {
  padding: 100px 0;
}

.audience-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.audience-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.3s;
}

.audience-card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.1);
}

.audience-card i {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.audience-card h4 {
  font-size: 1.25rem;
  color: white;
  margin-bottom: 12px;
}

.audience-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

/* =========================================
   12. INTEGRAÇÕES
   ========================================= */
.integrations {
  padding: 80px 0;
  background: white;
}

.integrations-grid {
  display: flex;
  gap: 20px;
  align-items: center;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.integrations-grid:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.integrations-container-wrapper {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 20px 0;
}

.integrations-container-wrapper::before,
.integrations-container-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.integrations-container-wrapper::before {
  left: 0;
  background: linear-gradient(to right, white, transparent);
}

.integrations-container-wrapper::after {
  right: 0;
  background: linear-gradient(to left, white, transparent);
}

.integration-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 32px;
  background: white;
  border-radius: 40px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.integration-item:hover {
  border-color: var(--secondary-color);
  box-shadow: 0 10px 25px rgba(27,117,188,0.1);
  transform: translateY(-2px);
}

.integration-item i {
  font-size: 2rem;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s ease;
}

.integration-item:hover i {
  filter: grayscale(0%);
  opacity: 1;
}

.integration-item span {
  font-weight: 600;
  color: var(--text-gray);
  font-size: 1.1rem;
}

/* =========================================
   13. CTA BOTTOM
   ========================================= */
.cta-bottom {
  padding: 40px 0 100px;
  background: white;
}

.cta-box {
  background: #0b1521;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  text-align: center;
  color: white;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(27, 117, 188, 0.4) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}

.cta-box h2, .cta-box p, .cta-box .cta-actions, .cta-box .cta-guarantee {
  position: relative;
  z-index: 10;
}

.cta-box h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.cta-box p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 40px;
  opacity: 0.9;
}

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

.cta-guarantee {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-top: 24px;
}

/* =========================================
   14. FOOTER
   ========================================= */
.footer {
  background: var(--primary-color);
  color: #cbd5e1;
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1.5rem;
  opacity: 0.8;
  line-height: 1.7;
}

.address-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--secondary-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.footer-address-item {
  display: flex;
  gap: 1.25rem;
}

.address-details h4 {
  color: white;
  margin-bottom: 0.5rem;
}

.address-details p {
  font-size: 0.95rem;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}

.footer-whatsapp {
  color: var(--success);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: #718096;
}

/* =========================================
   15. FAB
   ========================================= */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 9999;
}

/* =========================================
   16. ANIMATIONS
   ========================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* =========================================
   17. RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .nav-list { display: none; }
  .mobile-toggle { display: flex; }

  /* Features */
  .features-wrapper { grid-template-columns: 1fr; }
  .features-visual { display: none; } /* oculta mockup abstrato em tablet/mobile */

  /* How it works */
  .steps-timeline { flex-direction: column; gap: 40px; }
  .step-card { width: 100%; max-width: 400px; margin: 0 auto; }
  .step-arrow { transform: rotate(90deg); }

  /* Hero */
  .hero-container { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .hero-content { display: flex; flex-direction: column; align-items: center; }
  .hero-identification ul { align-items: flex-start; text-align: left; }
  .hero-trust { justify-content: center !important; }

  /* Hero illustration - reduzida no tablet */
  .hero-illustration { max-width: 380px; min-height: 280px; }
  .icon-bg { width: 50px; height: 50px; font-size: 22px; }
  .illust-logo-circle { width: 58px; height: 58px; font-size: 26px; }

  /* Challenges */
  .challenges-grid { grid-template-columns: repeat(2, 1fr); }

  /* Botões longos podem quebrar linha */
  .btn { white-space: normal; text-align: center; }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  /* Layout base */
  .container { padding: 0 1.25rem; }

  /* Header */
  .logo img { height: 38px !important; }
  .whatsapp-fab {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 16px;
    font-size: 28px;
  }

  /* Seções - padding vertical proporcional */
  .challenges { padding: 70px 0; }
  .features { padding: 70px 0; }
  .benefits { padding: 60px 0; }
  .how-it-works { padding: 70px 0; }
  .audience { padding: 70px 0; }
  .integrations { padding: 60px 0; }
  .cta-bottom { padding: 30px 0 70px; }

  /* Social proof metrics */
  .social-proof-metrics { padding: 3rem 0 !important; }

  /* Visual break section */
  .visual-break { padding: 80px 0 !important; }
  .visual-break h2 { font-size: clamp(1.8rem, 5vw, 2.5rem) !important; }
  .visual-break p { font-size: 1.05rem !important; }

  /* Hero */
  .hero { padding: calc(var(--header-height) + 50px) 0 60px; }
  .hero-title { font-size: clamp(1.9rem, 6vw, 2.6rem); }
  .hero-title br { display: none; }
  .hero-description { font-size: 1rem; margin-bottom: 28px; }
  .hero-badge { font-size: 0.78rem; }
  .hero-buttons, .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-trust { flex-wrap: wrap; }

  /* Hero Illustration - compacta em mobile */
  .hero-illustration { max-width: 300px; min-height: 240px; }
  .icon-bg { width: 44px; height: 44px; font-size: 18px; }
  .illust-logo-circle { width: 52px; height: 52px; font-size: 22px; }
  .illust-title { font-size: 1.1rem; }
  .illust-center { padding: 1rem; }
  .micro-interaction { font-size: 0.7rem; padding: 0.35rem 0.6rem; }

  /* Tipografia de seções */
  .section-header h2 { font-size: clamp(1.6rem, 5vw, 2rem); }
  .section-header p { font-size: 1rem; }
  .section-header { margin-bottom: 40px; }
  .features-text h2 { font-size: clamp(1.6rem, 5vw, 2rem); }

  /* CTA Box */
  .cta-box { padding: 50px 24px; }
  .cta-box h2 { font-size: clamp(1.6rem, 5vw, 2rem); }
  .cta-box p { font-size: 1rem; margin-bottom: 28px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 360px; }

  /* Trust badges no CTA */
  .trust-badges {
    flex-wrap: wrap !important;
    gap: 1rem !important;
    justify-content: center !important;
  }

  /* Grids */
  .challenges-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .audience-cards { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer { padding: 3.5rem 0 1.5rem; }

  /* Integrações */
  .integrations-container-wrapper::before,
  .integrations-container-wrapper::after {
    width: 50px;
  }

  /* Btn sizes */
  .btn-lg { padding: 0.95rem 1.5rem; font-size: 1rem; }

  /* Guarantee text wrapping */
  .cta-guarantee { text-align: center; }
  .cta-guarantee span { display: block; line-height: 1.6; }

  /* Visual break blur contida */
  .visual-break > div[style*="width: 800px"] {
    width: 100% !important;
    max-width: 100vw !important;
  }
}

/* =========================================
   Extra pequeno: ≤ 480px
   ========================================= */
@media (max-width: 480px) {
  :root {
    --header-height: 60px;
  }

  .container { padding: 0 1rem; }

  /* Header logo ainda menor */
  .logo img { height: 34px !important; }

  /* Hero mais compacto */
  .hero { padding: calc(var(--header-height) + 36px) 0 48px; }
  .hero-title { font-size: clamp(1.7rem, 7vw, 2.2rem); letter-spacing: -0.03em; }
  .hero-description { font-size: 0.95rem; }
  .hero-badge { font-size: 0.72rem; padding: 6px 12px; }
  .hero-identification ul { gap: 0.6rem; }

  /* Ilustração hero oculta no mobile muito pequeno */
  .hero-illustration { display: none; }

  /* Seção de métricas */
  .metrics-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 1rem !important; }
  .social-proof-metrics { padding: 2.5rem 0 !important; }

  /* Seção visual break */
  .visual-break { padding: 60px 0 !important; }
  .visual-break h2 { font-size: clamp(1.6rem, 6vw, 2rem) !important; }

  /* Challenge cards */
  .challenge-card { padding: 28px 20px; }

  /* Step cards */
  .step-card { width: 100%; max-width: 100%; }

  /* Audience */
  .audience-card { padding: 24px 20px; }

  /* CTA */
  .cta-box { padding: 40px 16px; border-radius: 12px; }
  .cta-box h2 { font-size: clamp(1.4rem, 6vw, 1.8rem); }

  /* Trust badges empilhados */
  .trust-badges {
    flex-direction: column !important;
    align-items: center !important;
    gap: 1rem !important;
  }

  /* Footer */
  .footer-address-item { flex-direction: column; gap: 0.75rem; }
  .address-icon { width: 36px; height: 36px; font-size: 1rem; }

  /* FAB menor */
  .whatsapp-fab { width: 48px; height: 48px; font-size: 24px; bottom: 16px; right: 12px; }

  /* Botões */
  .btn-lg { padding: 0.875rem 1.25rem; font-size: 0.95rem; }
}