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

/* --- CSS Variables / Design System --- */
:root {
  /* Colors - Premium Black & Orange Palette */
  --bg-dark: #050505; /* Deepest black for background */
  --bg-card: rgba(20, 20, 20, 0.7); /* Translucent dark for cards */
  --bg-card-hover: rgba(30, 30, 30, 0.9);
  
  --primary: #ff6a00; /* Vibrant Orange */
  --primary-hover: #ff8c00;
  --secondary: #222;
  
  --text-main: #ffffff;
  --text-muted: #a0a0a0;
  
  --border-color: rgba(255, 255, 255, 0.05);
  --glow: 0 0 20px rgba(255, 106, 0, 0.3);

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Utilities --- */
.text-primary {
  color: var(--primary);
}

.text-gradient {
  background: linear-gradient(90deg, var(--primary), #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 25px rgba(255, 106, 0, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background: transparent;
}

.header.scrolled {
  padding: 1rem 0;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
}

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

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

/* Background elements for Hero */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,106,0,0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(40px);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,106,0,0.1) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(60px);
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* --- Sections Base --- */
.section {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

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

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 106, 0, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: rgba(255, 106, 0, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}

.service-card:hover .service-link {
  gap: 0.8rem;
}

/* --- About Section --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  border-left: 3px solid var(--primary);
  padding-left: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px var(--border-color);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* --- Contact Section --- */
.contact-section {
  background: rgba(10, 10, 10, 0.5);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 106, 0, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.contact-info-text p {
  color: var(--text-muted);
}

.contact-form {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-body);
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* --- Footer --- */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
  background: #000;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- WhatsApp Floating Button --- */
.whatsapp-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-fab:hover {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
  background-color: #1ebe57;
  color: white;
}

/* --- 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);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* In a real app, toggle with JS */
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .section {
    padding: 5rem 0;
  }
  
  .hero {
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
}