/* =========================================================================
   HAL TECH — Landing Page (haltechbr.com)
   Estética: Dark Mode Premium + Neon Purple Glassmorphism
   ========================================================================= */

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

/* --- Variáveis de Design --- */
:root {
  /* Cores Principais baseadas na Logo */
  --color-bg-base: #05050A; /* Preto Profundo */
  --color-bg-surface: #0a0a14;
  --color-primary: #7d26cd; /* Roxo vibrante */
  --color-primary-light: #9e4aeb;
  --color-primary-glow: rgba(125, 38, 205, 0.4);
  
  --color-accent: #00d4ff; /* Ciano para contraste */
  
  --color-text-title: #ffffff;
  --color-text-body: #a0a0b8;
  --color-text-muted: #6b6b85;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(12px);

  /* Dimensões */
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Reset & Configurações Básicas --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--color-text-title);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

/* --- Elementos de Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 60px;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

/* --- Componentes --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 10px 20px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(125, 38, 205, 0.6);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid var(--color-glass-border, rgba(255,255,255,0.2));
  backdrop-filter: var(--glass-blur);
}

.btn-outline:hover {
  border-color: var(--color-primary-light);
  background: rgba(125, 38, 205, 0.1);
  transform: translateY(-3px);
}

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 100;
  background: rgba(5, 5, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(5, 5, 10, 0.95);
}

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

.logo-container img {
  height: 45px;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
  transition: var(--transition);
}

.logo-container:hover img {
  filter: drop-shadow(0 0 15px var(--color-primary-glow));
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  color: #e0e0e0;
  font-size: 1rem;
  letter-spacing: 0.5px;
  position: relative;
}

.nav-links a:hover {
  color: #fff;
}

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

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

.client-portal-btn {
  padding: 10px 24px;
  font-size: 0.95rem;
  border-radius: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: #fff;
  font-weight: 600;
}

.client-portal-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary-light);
  box-shadow: 0 0 15px var(--color-primary-glow);
}

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

/* Background animado e brilho roxo */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: radial-gradient(circle at 70% 30%, rgba(125, 38, 205, 0.15) 0%, rgba(5,5,10,1) 60%);
}

.hero-glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  filter: blur(150px);
  border-radius: 50%;
  top: -10%;
  right: -5%;
  opacity: 0.3;
  animation: float 8s ease-in-out infinite alternate;
}

.hero-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--color-accent);
  filter: blur(150px);
  border-radius: 50%;
  bottom: 10%;
  left: -10%;
  opacity: 0.15;
  animation: float 12s ease-in-out infinite alternate-reverse;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(125, 38, 205, 0.15);
  border: 1px solid rgba(125, 38, 205, 0.3);
  border-radius: 50px;
  color: var(--color-primary-light);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(to right, #ffffff, #a0a0b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(to right, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--color-text-body);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* --- Features / Serviços --- */
.features {
  background-color: var(--color-bg-surface);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--glass-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px 30px;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(125, 38, 205, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(125, 38, 205, 0.1);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(125, 38, 205, 0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  color: var(--color-primary-light);
  border: 1px solid rgba(125, 38, 205, 0.3);
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.feature-desc {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* --- Diferenciais Section --- */
.diferenciais {
  background-color: var(--color-bg-base);
  position: relative;
}

.diferenciais-wrapper {
  display: flex;
  align-items: center;
  gap: 60px;
}

.diff-content {
  flex: 1;
}

.diff-content h2 {
  font-size: 3rem;
  margin-bottom: 24px;
}

.diff-content p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--color-text-muted);
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.diff-icon {
  background: var(--glass-bg);
  border: 1px solid var(--color-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 4px;
}

.diff-text h4 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.diff-text p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.diff-image {
  flex: 1;
  position: relative;
}

.diff-image-inner {
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  position: relative;
}

.diff-image-inner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(125, 38, 205, 0.4), transparent);
  pointer-events: none;
}

.diff-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(10, 10, 20, 1) 0%, rgba(30, 10, 50, 1) 100%);
  text-align: center;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.cta-section h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-bg-base);
  padding: 60px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 20px;
  color: var(--color-text-muted);
  max-width: 300px;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 24px;
  color: #fff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --- Responsividade --- */
@media (max-width: 992px) {
  .hero-title { font-size: 3.5rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .diferenciais-wrapper { flex-direction: column; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.8rem; }
  .hero-desc { font-size: 1.1rem; }
  .hero-actions { flex-direction: column; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  .nav-links { display: none; } /* Mobile menu simplified */
  
  .section-title { font-size: 2rem; }
  .diff-content h2 { font-size: 2.2rem; }
  
  .section-padding { padding: 60px 0; }
}