/* Custom Stylesheet — 2L Engenharia Website */

/* -------------------------------------------------------------
   DESIGN SYSTEM TOKENS (Inherited from design_tokens.css)
   ------------------------------------------------------------- */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing Grid */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border Radii */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow-red: 0 0 15px rgba(178, 43, 36, 0.25);
  --shadow-glow-gold: 0 0 15px rgba(245, 158, 11, 0.2);

  /* Brand Core Colors */
  --color-brand-red: hsl(4, 66%, 42%);         /* Terracotta Red (#b22b24) */
  --color-brand-red-hover: hsl(4, 66%, 35%);
  --color-brand-red-glow: rgba(178, 43, 36, 0.2);
  --color-brand-gold: hsl(38, 96%, 53%);       /* Sunburst Gold (#f59e0b) */
  --color-brand-gold-hover: hsl(38, 96%, 45%);
  --color-gradient-brand: linear-gradient(135deg, hsl(38, 96%, 53%) 0%, hsl(14, 90%, 50%) 100%);

  /* Light Theme (Website Default) */
  --bg-app: hsl(210, 40%, 98%);
  --bg-surface: hsl(0, 0%, 100%);
  --bg-surface-hover: hsl(210, 40%, 96%);
  --text-main: hsl(222, 47%, 11%);
  --text-sub: hsl(215, 16%, 47%);
  --text-muted: hsl(215, 16%, 65%);
  --border-color: hsl(214, 32%, 91%);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
  
  /* Dark Red Footer Background */
  --bg-footer: hsl(4, 70%, 12%);
  --bg-footer-card: hsl(4, 65%, 8%);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* -------------------------------------------------------------
   RESET & BASE STYLES
   ------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: var(--leading-normal);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* -------------------------------------------------------------
   BLUEPRINT BACKGROUND PATTERN
   ------------------------------------------------------------- */
.blueprint-bg {
  background-color: var(--bg-app);
  background-image: 
    linear-gradient(rgba(178, 43, 36, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(178, 43, 36, 0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  position: relative;
}

/* -------------------------------------------------------------
   TYPOGRAPHY & SECTION HEADERS
   ------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-brand-red);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: var(--space-3);
}

.title-underline {
  width: 80px;
  height: 4px;
  background-color: var(--color-brand-red);
  border-radius: var(--radius-full);
}

.section-desc {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: var(--text-sub);
  max-width: 600px;
}

/* -------------------------------------------------------------
   STICKY NAVBAR
   ------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
  height: 72px;
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: 64px;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav-logo img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast);
}

.navbar.scrolled .nav-logo img {
  height: 36px;
}

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

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-brand-red);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--text-main);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-brand-red);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brand-red);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-brand-red);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background-color: transparent;
  border: 2px solid var(--color-status-success);
  border-radius: var(--radius-md);
  color: var(--color-status-success);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.btn-whatsapp:hover {
  background-color: var(--color-status-success);
  color: white;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-2);
}

/* -------------------------------------------------------------
   HERO SECTION
   ------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #0b0f19;
  background-image: url('assets/hero_bg.jpg'), linear-gradient(#0b0f19, #151d30);
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  padding: var(--space-20) var(--space-6) var(--space-12);
  color: white;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(11, 15, 25, 0.45) 0%, rgba(11, 15, 25, 0.85) 100%);
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo-wrapper {
  background: white;
  padding: var(--space-4);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl), var(--shadow-glow-red);
  margin-bottom: var(--space-6);
  display: inline-flex;
  animation: float 6s ease-in-out infinite;
}

.hero-logo {
  height: 90px;
  width: 90px;
  object-fit: contain;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: white;
  margin-bottom: var(--space-2);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(var(--text-md), 2.5vw, var(--text-xl));
  color: hsl(210, 40%, 90%);
  margin-bottom: var(--space-8);
  max-width: 650px;
  line-height: var(--leading-relaxed);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

/* -------------------------------------------------------------
   BUTTON COMPONENTS
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-brand-red);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-red);
}

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

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background-color: white;
  color: var(--color-brand-red);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* -------------------------------------------------------------
   A EMPRESA SECTION
   ------------------------------------------------------------- */
.section-company {
  padding: var(--space-16) 0;
}

.company-card {
  padding: var(--space-8) var(--space-10);
  margin-top: var(--space-4);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Glassmorphism card template */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
}

.company-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.company-text {
  font-size: var(--text-base);
  color: var(--text-sub);
  line-height: var(--leading-relaxed);
  text-align: justify;
}

.company-text.highlight {
  font-size: var(--text-lg);
  color: var(--text-main);
  border-left: 4px solid var(--color-brand-red);
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
}

/* -------------------------------------------------------------
   SERVICES SECTION
   ------------------------------------------------------------- */
.section-services {
  padding: var(--space-16) 0;
  background-color: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.service-card {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-red);
}

.service-icon-wrapper {
  height: 56px;
  width: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-brand-red-glow);
  color: var(--color-brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--color-brand-red);
  color: white;
  box-shadow: var(--shadow-glow-red);
}

.service-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-main);
}

.service-card-text {
  font-size: var(--text-sm);
  color: var(--text-sub);
  line-height: var(--leading-relaxed);
}

/* Featured core service card */
.service-card.featured {
  background-color: var(--bg-surface);
  border: 2px solid var(--color-brand-gold);
  box-shadow: var(--shadow-md);
}

.service-card.featured:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-gold);
}

.service-card.featured .service-icon-wrapper {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--color-brand-gold);
}

.service-card.featured:hover .service-icon-wrapper {
  background-color: var(--color-brand-gold);
  color: white;
  box-shadow: var(--shadow-glow-gold);
}

.card-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background-color: var(--color-brand-gold);
  color: white;
  font-size: 9px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* -------------------------------------------------------------
   PARTNERS SECTION
   ------------------------------------------------------------- */
.section-partners {
  padding: var(--space-16) 0;
}

.partners-container {
  padding: var(--space-6);
  max-width: 950px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.partners-image-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: white;
}

.partners-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* -------------------------------------------------------------
   CONTACT SECTION
   ------------------------------------------------------------- */
.section-contact {
  padding: var(--space-16) 0;
  background-color: var(--bg-surface);
}

.contact-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact-badge-card {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-fast);
}

.contact-badge-card:hover {
  border-color: var(--color-brand-red);
  background-color: var(--bg-surface);
}

.badge-icon {
  height: 48px;
  width: 48px;
  background-color: var(--color-brand-red);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.badge-content h4 {
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.badge-content p, 
.badge-content a {
  font-size: var(--text-sm);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
}

.badge-content a:hover {
  color: var(--color-brand-red);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.contact-form-wrapper {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
}

.form-title {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-sub);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-wrapper {
  position: absolute;
  left: var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
  pointer-events: none;
}

.input-icon-wrapper.textarea-icon {
  top: 14px;
}

.form-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: all var(--transition-fast);
}

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

.form-input:focus {
  border-color: var(--color-brand-red);
  box-shadow: var(--shadow-glow-red);
}

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

.btn-submit {
  background-color: var(--color-brand-red);
  color: white;
  border: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-base);
  padding: 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-submit:hover {
  background-color: var(--color-brand-red-hover);
  box-shadow: var(--shadow-glow-red);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Support Portal Access Card */
.support-portal-card {
  background-color: #0b0f19;
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.support-portal-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(178, 43, 36, 0.25) 0%, transparent 60%);
  pointer-events: none;
}

.portal-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.portal-card-header i {
  font-size: var(--text-2xl);
  color: var(--color-brand-red);
}

.portal-card-header h3 {
  color: white;
  font-size: var(--text-xl);
  margin: 0;
}

.support-portal-card p {
  color: hsl(210, 40%, 80%);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.portal-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn-portal-client, 
.btn-portal-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.btn-portal-client {
  background-color: var(--color-brand-red);
  color: white;
}

.btn-portal-client:hover {
  background-color: var(--color-brand-red-hover);
  transform: translateX(2px);
}

.btn-portal-admin {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-portal-admin:hover {
  background-color: white;
  color: #0b0f19;
  transform: translateX(2px);
}

/* -------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------- */
.footer {
  background-color: var(--bg-footer);
  color: white;
  padding: var(--space-16) 0 var(--space-6);
  font-family: var(--font-sans);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-10);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.footer-logo img {
  height: 36px;
  border-radius: var(--radius-sm);
}

.footer-logo span {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: white;
}

.footer-brand p {
  font-size: var(--text-sm);
  color: hsl(4, 30%, 80%);
  max-width: 320px;
  line-height: var(--leading-relaxed);
}

.footer-links, 
.footer-social {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links h4, 
.footer-social h4 {
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: hsl(4, 30%, 80%);
  text-decoration: none;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.social-icons {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  height: 40px;
  width: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-base);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.social-link:hover {
  transform: translateY(-2px);
  color: white;
}

.social-link.instagram:hover {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%);
}

.social-link.facebook:hover {
  background-color: #1877f2;
}

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-6) auto 0;
  padding: 0 var(--space-6);
  text-align: center;
  font-size: var(--text-xs);
  color: hsl(4, 20%, 65%);
}

/* -------------------------------------------------------------
   ANIMATIONS
   ------------------------------------------------------------- */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* -------------------------------------------------------------
   RESPONSIVE DESIGN (Media Queries)
   ------------------------------------------------------------- */
@media (max-width: 991px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 64px;
    background-color: var(--glass-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    gap: 0;
    padding: var(--space-3) 0;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-3) 0;
  }
  
  .nav-link::after {
    display: none;
  }
  
  .nav-cta {
    gap: var(--space-2);
  }
  
  .btn-whatsapp {
    padding: 6px 12px;
    font-size: var(--text-xs);
  }
  
  .hero-section {
    padding-top: var(--space-24);
  }
  
  .company-card {
    padding: var(--space-6) var(--space-4);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}