/* Fonts loaded via <link preconnect> in index.html head for performance */

/* Design Tokens - NeoCoreTech */
:root {
  /* Colors */
  --color-deep-navy: #1f2d3a;
  --color-ignition-red: #f54842;
  --color-ignition-red-hover: #fa635e;
  --color-signal-white: #fafcfb;
  --color-core-orange: #f46d2d;
  --color-spark-amber: #f09e0e;

  /* Neutrals */
  --color-grafite: #4a5a68;
  --color-cinza-medio: #8b98a3;
  --color-cinza-claro: #d8dee2;
  --color-neblina: #f5f7f8;

  /* Typo */
  --font-title: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;

  /* Animations / Shadows */
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 25px rgba(245, 72, 66, 0.3);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.15);
  --gradient-brand: linear-gradient(135deg, var(--color-ignition-red) 0%, var(--color-core-orange) 50%, var(--color-spark-amber) 100%);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-signal-white);
  background-color: #141d26; /* Dark slate background to contrast Deep Navy */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header & Nav */
header {
  background-color: rgba(31, 45, 58, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(250, 252, 251, 0.05);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-signal-white);
  letter-spacing: -0.5px;
}

.logo-text span {
  font-weight: 400;
  color: var(--color-cinza-medio);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-cinza-medio);
  text-decoration: none;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-signal-white);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-signal-white);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-ignition-red);
  color: var(--color-signal-white);
}

.btn-primary:hover {
  background-color: var(--color-ignition-red-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-signal-white);
  border: 2px solid rgba(250, 252, 251, 0.2);
}

.btn-secondary:hover {
  border-color: var(--color-signal-white);
  background-color: rgba(250, 252, 251, 0.05);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 8px 20px;
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

/* Hero Section */
.hero {
  padding: 160px 0 var(--spacing-xl);
  background: radial-gradient(circle at top right, rgba(245, 72, 66, 0.1) 0%, transparent 50%),
              radial-gradient(circle at bottom left, rgba(31, 45, 58, 0.6) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.hero-visual {
  position: absolute;
  top: 50%;
  right: -8%;
  width: min(50vw, 620px);
  height: min(50vw, 620px);
  transform: translateY(-50%);
  opacity: 0.16;
  pointer-events: none;
  mask-image: radial-gradient(circle, black 55%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle, black 55%, transparent 80%);
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

.hero-visual .hex {
  transform-box: fill-box;
  transform-origin: center;
  animation: hex-float 10s ease-in-out infinite;
}

.hero-visual .hex-2 { animation-duration: 8s; animation-delay: -1s; }
.hero-visual .hex-3 { animation-duration: 12s; animation-delay: -3s; }
.hero-visual .hex-4 { animation-duration: 9s; animation-delay: -5s; }
.hero-visual .hex-5 { animation-duration: 11s; animation-delay: -2s; }

@keyframes hex-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(3deg); }
}

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

@media (max-width: 900px) {
  .hero-visual {
    display: none;
  }
}

.badge {
  display: inline-block;
  background: rgba(245, 72, 66, 0.1);
  border: 1px solid rgba(245, 72, 66, 0.25);
  color: var(--color-ignition-red);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: clamp(2.25rem, 4.5vw + 1rem, 3.75rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: var(--spacing-sm);
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 1vw + 0.75rem, 1.25rem);
  color: var(--color-cinza-medio);
  margin-bottom: var(--spacing-lg);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* Services Section */
.services {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-deep-navy);
  border-top: 1px solid rgba(250, 252, 251, 0.05);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.section-header h2 {
  font-size: clamp(1.75rem, 2.5vw + 1rem, 2.25rem);
  margin-bottom: var(--spacing-xs);
}

.section-header p {
  color: var(--color-cinza-medio);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: rgba(250, 252, 251, 0.03);
  border: 1px solid rgba(250, 252, 251, 0.05);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(245, 72, 66, 0.3);
  background: rgba(250, 252, 251, 0.05);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-brand);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-signal-white);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.service-card p {
  color: var(--color-cinza-medio);
  font-size: 0.95rem;
}

/* Differentials Section */
.differentials {
  padding: var(--spacing-xl) 0;
  background-color: #141d26;
  border-top: 1px solid rgba(250, 252, 251, 0.05);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.diff-card {
  position: relative;
  background: rgba(250, 252, 251, 0.02);
  border: 1px solid rgba(250, 252, 251, 0.05);
  border-left: 4px solid var(--color-ignition-red);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: var(--transition-smooth);
}

.diff-card:nth-child(2) {
  border-left-color: var(--color-core-orange);
}

.diff-card:nth-child(3) {
  border-left-color: var(--color-spark-amber);
}

.diff-card:hover {
  transform: translateY(-8px);
  background: rgba(250, 252, 251, 0.04);
}

.diff-index {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-cinza-medio);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
}

.diff-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.diff-card p {
  color: var(--color-cinza-medio);
  font-size: 0.95rem;
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(180deg, var(--color-deep-navy) 0%, #141d26 100%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.contact-info h2 {
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  margin-bottom: var(--spacing-sm);
}

.contact-info p {
  color: var(--color-cinza-medio);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.contact-details {
  list-style: none;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-signal-white);
}

.contact-details li strong {
  color: var(--color-core-orange);
}

.contact-form {
  background: rgba(250, 252, 251, 0.02);
  border: 1px solid rgba(250, 252, 251, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-cinza-medio);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background-color: rgba(250, 252, 251, 0.04);
  border: 1px solid rgba(250, 252, 251, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-signal-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-ignition-red);
  background-color: rgba(250, 252, 251, 0.08);
}

/* Footer */
footer {
  background-color: #0c1218;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid rgba(250, 252, 251, 0.03);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(250, 252, 251, 0.05);
}

.footer-brand p {
  color: var(--color-cinza-medio);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
  max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-title);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-signal-white);
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--color-cinza-medio);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--color-signal-white);
}

.footer-contact p {
  color: var(--color-cinza-medio);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-logo img {
  height: 32px;
}

.footer-copyright {
  color: var(--color-cinza-medio);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

/* Responsive Grid and toggling */
@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.75rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    flex-direction: column;
    background-color: rgba(31, 45, 58, 0.98);
    width: 100%;
    height: calc(100vh - 80px);
    padding: var(--spacing-lg) 0;
    transition: var(--transition-smooth);
    border-top: 1px solid rgba(250, 252, 251, 0.05);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: calc(100vw - 48px);
}

.toast {
  background: rgba(31, 45, 58, 0.97);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(250, 252, 251, 0.08);
  border-left: 4px solid var(--color-ignition-red);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: var(--color-signal-white);
  box-shadow: var(--shadow-card);
  min-width: 280px;
  max-width: 360px;
  font-size: 0.95rem;
  transform: translateX(120%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.success {
  border-left-color: #2fbf6c;
}

.toast.error {
  border-left-color: var(--color-ignition-red);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-visual .hex,
  .toast {
    transition: none;
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}