* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

:root {
  --primary-white: #ffffff;
  --primary-black: #000000;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --accent-color: #4a5568;
  --accent-hover: #2d3748;
  --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--primary-white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

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

.hero {
  position: relative;
  height: 100vh;
  min-height: 800px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://mastermind.sampa.br/wp-content/uploads/2020/12/diferenca-entre-grupo-e-equipe-scaled.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(38, 38, 38, 0.8) 100%
  );
  backdrop-filter: brightness(0.7);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  animation: fadeIn 1s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--primary-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
  color: #a0aec0;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  max-width: 600px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.hero-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.hero-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.hero-stats {
  display: flex;
  gap: 4rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
  color: var(--primary-white);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #a0aec0;
  line-height: 1;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.5rem;
}

.section-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.features,
.process-section,
.integration-section {
  padding: 8rem 0;
  width: 100%;
}

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

.process-section {
  background-color: var(--gray-50);
}

.integration-section {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-black) 100%);
  color: var(--primary-white);
}

.section-title {
  margin-bottom: 5rem;
}

.section-title h2 {
  font-size: 2.8rem;
  color: var(--primary-black);
  margin-bottom: 1rem;
  font-weight: 800;
}

.section-title p {
  color: var(--gray-600);
  font-size: 1.2rem;
  max-width: 700px;
}

.integration-section .section-title h2 {
  color: var(--primary-white);
}

.integration-section .section-title p {
  color: rgba(255, 255, 255, 0.8);
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.card {
  background: var(--primary-white);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent-color), var(--gray-500));
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1.5rem;
  color: var(--primary-black);
  margin-bottom: 1rem;
  font-weight: 700;
}

.card p {
  color: var(--gray-600);
  line-height: 1.7;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.process-step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--accent-color);
  color: var(--primary-white);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.step-title {
  font-size: 1.4rem;
  color: var(--primary-black);
  margin-bottom: 1rem;
  font-weight: 600;
}

.step-description {
  color: var(--gray-600);
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.integration-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.integration-icon {
  font-size: 2.5rem;
  color: #a0aec0;
  margin-bottom: 1rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-100px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 1199px) {
  .cards-container,
  .integration-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .cards-container,
  .integration-grid {
    grid-template-columns: 1fr;
  }
}