/* ===== DESIGN TOKENS ===== */
:root {
  /* Brand Colors */
  --primary: #E21B1B;
  --primary-dark: #B71515;
  --primary-light: #FF3333;
  --primary-glow: rgba(226, 27, 27, 0.3);
  --primary-subtle: rgba(226, 27, 27, 0.08);

  /* Neutrals */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: rgba(26, 26, 26, 0.6);
  --bg-glass: rgba(20, 20, 20, 0.75);

  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #868e96;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: var(--primary);

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 50px 0;
  --container-width: 1200px;

  /* Theme variables - Default Dark */
  --nav-bg: rgba(10, 10, 10, 0.92);
  --hero-grad-1: rgba(10, 10, 10, 0.3);
  --hero-grad-2: rgba(10, 10, 10, 0.6);
  --hero-grad-3: rgba(10, 10, 10, 1);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* Light Theme Variables */
html.light-theme {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f5;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);
  
  --nav-bg: rgba(255, 255, 255, 0.92);
  --hero-grad-1: rgba(255, 255, 255, 0.4);
  --hero-grad-2: rgba(255, 255, 255, 0.7);
  --hero-grad-3: rgba(255, 255, 255, 0.95);

  --text-primary: #111111;
  --text-secondary: #495057;
  --text-muted: #868e96;
  --border-color: rgba(0, 0, 0, 0.1);
  --border-hover: var(--primary);
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 75px;
  font-size: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-dark) var(--bg-primary);
}

html::-webkit-scrollbar {
  width: 8px;
}
html::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
html::-webkit-scrollbar-thumb {
  background: var(--primary-dark);
  border-radius: 4px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium);
}

.navbar.scrolled {
  padding: 12px 0;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-logo img {
  height: 60px;
  width: auto;
  transition: transform var(--transition-fast);
}

.navbar-logo:hover img {
  transform: scale(1.05);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  white-space: nowrap;
}

.logo-text span {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-text .logo-highlight {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--primary-subtle);
}

.nav-links a.nav-cta {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-xl);
}

.nav-links a.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 8px;
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--primary-subtle);
  transform: scale(1.1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 100px; /* guarantees the content is pushed respectfully below navbar */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--hero-grad-1) 0%,
    var(--hero-grad-2) 50%,
    var(--hero-grad-3) 100%
  );
}

/* Animated particles */
.particles-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle 8s infinite ease-in-out;
}

@keyframes floatParticle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--primary-subtle);
  border: 1px solid rgba(226, 27, 27, 0.2);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--primary-glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  height: 280px; /* Caixa segura testada para wraps longos */
  display: block; /* Remove flex p/ evitar realinhamento invisível */
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

@media (min-width: 768px) {
  .hero h1 {
    height: 220px; /* Seguro para quebras de laptop/tablet */
  }
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 72px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 24px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(226, 27, 27, 0.45);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.15));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover::before {
  opacity: 1;
}

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

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

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.45);
}

/* ===== SECTION STYLES ===== */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-subtle);
  border: 1px solid rgba(226, 27, 27, 0.15);
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Section dividers */
.section-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

/* ===== ABOUT SECTION ===== */
#sobre {
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
}

.about-highlight-item:hover {
  border-color: var(--border-hover);
  background: var(--primary-subtle);
}

.about-highlight-item .highlight-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  color: var(--primary);
}

.about-highlight-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.about-highlight-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.about-image-wrapper img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.floating-badge {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatBadge 4s ease-in-out infinite;
}

.floating-badge.badge-1 {
  bottom: 24px;
  left: -20px;
}

.floating-badge.badge-2 {
  top: 24px;
  right: -20px;
  animation-delay: 2s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.floating-badge .badge-icon {
  font-size: 1.5rem;
}

.floating-badge .badge-text strong {
  display: block;
  font-size: 0.9rem;
}

.floating-badge .badge-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== SERVICES SECTION ===== */
#servicos {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition-medium);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  border: 1px solid rgba(226, 27, 27, 0.15);
  border-radius: var(--radius-md);
  font-size: 1.8rem;
  margin-bottom: 24px;
  transition: all var(--transition-medium);
}

.service-card:hover .service-icon {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  padding: 4px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.service-card:hover .service-tag {
  border-color: rgba(226, 27, 27, 0.2);
  color: var(--text-primary);
}

/* ===== TECHNOLOGIES SECTION ===== */
#tecnologias {
  background: var(--bg-secondary);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-medium);
}

.tech-category:hover {
  border-color: var(--border-hover);
}

.tech-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.tech-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.tech-category-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-item i {
  color: var(--primary);
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.tech-item:hover {
  border-color: var(--primary);
  color: var(--text-primary);
  background: var(--primary-subtle);
  transform: translateY(-2px);
}

.tech-item:hover i {
  transform: scale(1.2);
}

.tech-item img {
  width: 20px;
  height: 20px;
}

/* ===== CERTIFICATIONS ===== */
#certificacoes {
  background: var(--bg-primary);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.cert-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--primary-subtle), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.cert-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
}

.cert-card:hover::after {
  opacity: 1;
}

.cert-card-content {
  position: relative;
  z-index: 1;
}

.cert-logo {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cert-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cert-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== BLOG/ARTICLES SECTION ===== */
#artigos {
  background: var(--bg-secondary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-medium);
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
}

.article-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.article-card-body {
  padding: 24px;
}

.article-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-subtle);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.article-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.article-card:hover .read-more {
  gap: 10px;
}

/* ===== CONTACT SECTION ===== */
#contato {
  background: var(--bg-primary);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  padding-right: 24px;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1rem;
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
}

.contact-method:hover {
  border-color: var(--border-hover);
  background: var(--primary-subtle);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
}

.contact-method-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-method-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.contact-form-wrapper h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.5s ease-out;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-secondary);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-medium);
  animation: bounceIn 1s ease-out 1.5s both;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 36px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.whatsapp-tooltip {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.5) translateY(20px); }
  60% { opacity: 1; transform: scale(1.05) translateY(-3px); }
  100% { transform: scale(1) translateY(0); }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img {
  height: 60px;
  width: auto;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Glow line animation */
.glow-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 80px 24px 24px;
    border-left: 1px solid var(--border-color);
    transition: right var(--transition-medium);
    gap: 4px;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
  }

  .hamburger {
    display: flex;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
  }

  .mobile-overlay.active {
    display: block;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .tech-categories {
    grid-template-columns: 1fr;
  }

  .certs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-info {
    padding-right: 0;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .stat-number {
    font-size: 1.6rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .floating-badge {
    display: none;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    font-size: 0.85rem;
  }

  .whatsapp-float .wpp-text {
    display: none;
  }

/* ===== BOOTSTRAP ICONS OVERRIDES ===== */
.service-icon i { font-size: 2rem; color: var(--primary); }
.cert-logo i { font-size: 2.5rem; }
.tech-category-icon i { font-size: 1.5rem; }
.section-tag i { font-size: 1.1rem; margin-right: 6px; }
.highlight-icon i { font-size: 1.5rem; color: var(--primary); }
.badge-icon i { font-size: 1.25rem; color: var(--primary); }

  .whatsapp-float {
    padding: 14px;
    border-radius: 50%;
  }
}

@media (max-width: 480px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }
}