/* ==========================================================================
   CSS SYSTEM DESIGN & VARIABLES
   ========================================================================== */
:root {
  /* Fonts */
  --font-sans: 'Poppins', sans-serif;
  --font-title: 'Figtree', sans-serif;

  /* Color Palette - Alinhado com o site de referência */
  --color-primary: #004479;          /* Azul Principal do site */
  --color-primary-hover: #002e52;
  --color-primary-light: #f0f7fc;
  
  --color-navy: #004479;             /* Azul Escuro Principal */
  --color-navy-light: #002f54;
  --color-navy-bg: #0b1c2c;
  
  --color-accent: #ff6900;           /* Laranja Vibrante do site */
  --color-accent-hover: #e05a00;
  --color-accent-light: #fff0e6;
  
  --color-whatsapp: #25D366;         /* WhatsApp Green */
  --color-whatsapp-hover: #128C7E;
  
  --color-bg: #ffffff;               /* Background geral (Branco) */
  --color-bg-alt: #f2f6f9;           /* Background alternativo (Cinza azulado) */
  --color-card-bg: #ffffff;
  
  --color-text: #333333;             /* Texto principal */
  --color-text-muted: #666666;       /* Texto secundário */
  --color-text-white: #ffffff;
  
  --color-border: #e2e8f0;           /* Bordas */
  
  /* Shadows */
  --shadow-sm: 0 2px 8px -2px rgba(0, 68, 121, 0.05);
  --shadow-md: 0 12px 20px -4px rgba(0, 68, 121, 0.08), 0 4px 8px -2px rgba(0, 68, 121, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(0, 68, 121, 0.12), 0 8px 16px -4px rgba(0, 68, 121, 0.06);
  --shadow-glow-primary: 0 0 25px rgba(0, 68, 121, 0.25);
  --shadow-glow-wa: 0 0 25px rgba(37, 211, 102, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Container sizes */
  --container-max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

ul, ol {
  list-style: none;
}

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

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

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
}

input:focus, select:focus, textarea:focus, button:focus {
  outline: none;
}

/* ==========================================================================
   REUSABLE UTILITIES & LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

section {
  padding-top: 80px;
  padding-bottom: 80px;
  position: relative;
}

/* Titles & Headers */
.section-header {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 50px;
}

.section-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 2.25rem;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-md {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.125rem;
  border-radius: var(--radius-sm);
}

.w-full {
  width: 100%;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-white);
  box-shadow: 0 4px 14px rgba(255, 105, 0, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 105, 0, 0.35);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-text-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

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

/* Text Gradients & Accents */
.accent {
  color: var(--color-accent);
}

.text-orange {
  color: var(--color-accent);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  padding-top: 4px;
  padding-bottom: 4px;
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.98);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: all var(--transition-normal);
}

.site-header.scrolled .navbar {
  height: 70px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-navy);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-text {
  letter-spacing: -0.01em;
}

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  position: relative;
  padding: 6px 0;
}

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

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

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--color-navy);
  cursor: pointer;
  padding: 4px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 80px;
  background: radial-gradient(circle at 10% 20%, rgba(0, 68, 121, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 90% 80%, rgba(255, 105, 0, 0.02) 0%, transparent 50%);
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-pretitle {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.hero-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 3rem;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--color-text);
}

.feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.hero-image {
  width: 100%;
  height: auto;
  position: relative;
}

/* ==========================================================================
   PRICING & PRODUCTS SECTION
   ========================================================================== */
.pricing-section {
  background-color: var(--color-bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* Discount Badge */
.discount-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--color-accent);
  color: var(--color-text-white);
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.card-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-navy);
  margin-top: 10px;
  margin-bottom: 6px;
}

.card-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* Pricing presentation */
.price-container {
  margin-bottom: 24px;
}

.price-old {
  font-size: 0.85rem;
  text-decoration: line-through;
  color: var(--color-text-muted);
  display: block;
}

.price-main {
  display: flex;
  align-items: flex-start;
  color: var(--color-primary);
  margin-top: 4px;
}

.currency {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.15rem;
  margin-top: 6px;
  margin-right: 2px;
}

.amount {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 3rem;
  line-height: 0.9;
}

.cents {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.35rem;
  margin-top: 3px;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
  margin-bottom: 24px;
}

.card-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.card-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}

.card-features li i {
  margin-top: 4px;
  font-size: 0.9rem;
}

.card-features li span {
  color: var(--color-text);
}

.pricing-card .btn {
  margin-top: auto;
  border-radius: var(--radius-sm);
  padding: 14px 20px;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.reviews-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.review-card {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 30px;
  border: 1px solid var(--color-border);
}

.review-rating {
  color: #ffb800;
  margin-bottom: 16px;
}

.review-text {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 20px;
}

.review-author {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-navy);
}

.review-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   IMPORTANCE SECTION (8 points)
   ========================================================================== */
.importance-section {
  background-color: var(--color-bg);
}

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

.importance-item {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition-normal);
}

.importance-item:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.importance-icon {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.importance-item h3 {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text);
  font-weight: 550;
}

/* ==========================================================================
   CTA BANNER SECTION
   ========================================================================== */
.cta-banner-section {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-banner-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.cta-banner-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.cta-banner-desc {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.cta-banner-list {
  display: flex;
  gap: 24px;
  font-weight: 600;
  color: var(--color-navy);
}

.cta-banner-action {
  text-align: right;
}

/* ==========================================================================
   SECURITY WARNING / ANTI-FRAUD SECTION
   ========================================================================== */
.security-warning-section {
  background-color: var(--color-accent-light);
  border-top: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

.security-warning-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.warning-alert-label {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text-white);
  padding: 4px 16px;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.security-warning-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.security-warning-subtitle {
  font-size: 1.15rem;
  color: #c2410c; /* Deep orange/red */
  margin-bottom: 24px;
  font-weight: 600;
}

.security-warning-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  font-weight: 600;
  color: var(--color-navy);
}

.security-warning-card {
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 105, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.warning-card-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.warning-card-text {
  color: var(--color-navy);
  font-weight: 600;
  line-height: 1.6;
}

/* ==========================================================================
   WHY CHOOSE US SECTION
   ========================================================================== */
.why-choose-us-section {
  background-color: var(--color-bg);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 20px;
}

.why-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.why-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.4;
}

/* ==========================================================================
   FAQ SECTION (ACCORDION)
   ========================================================================== */
.faq-section {
  background-color: var(--color-bg-alt);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-question {
  padding: 20px 24px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  color: var(--color-primary);
  font-size: 0.9rem;
  transition: transform var(--transition-normal);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--color-text-muted);
  border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
  border-top-color: var(--color-border);
}

/* ==========================================================================
   SPECIALTIES CAROUSEL / GRID
   ========================================================================== */
.carousel-specialties-section {
  background-color: var(--color-bg);
}

.specialties-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.specialty-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 30px 20px;
  text-align: center;
  transition: all var(--transition-normal);
}

.specialty-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  transform: translateY(-4px);
}

.specialty-card h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 20px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.specialty-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  font-size: 0.85rem;
}

.specialty-features li {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.3;
}

.specialty-features li i {
  color: var(--color-primary);
  margin-top: 3px;
  font-size: 0.8rem;
}

/* ==========================================================================
   CONTACT & LEAD FORM SECTION
   ========================================================================== */
.contact-section {
  background-color: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-form-wrapper {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 16px;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.input-wrapper input,
.input-wrapper select {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.input-wrapper select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

/* Arrow indicator for select dropdown */
.input-wrapper:has(select)::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  position: absolute;
  right: 16px;
  pointer-events: none;
}

.input-wrapper input:focus,
.input-wrapper select:focus {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--color-text-white);
  margin-bottom: 20px;
}

.footer-brand .logo-icon {
  background-color: var(--color-accent);
}

.footer-desc {
  font-size: 0.9rem;
}

.footer-links h3,
.footer-contact h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text-white);
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-contact p i {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  padding-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.8rem;
}

.payment-methods {
  display: flex;
  gap: 16px;
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.whatsapp-float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  color: var(--color-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-glow-wa);
  z-index: 999;
  cursor: pointer;
  animation: pulse-wa 2s infinite;
}

.whatsapp-float-btn:hover {
  background-color: var(--color-whatsapp-hover);
  transform: scale(1.05);
}

.whatsapp-float-btn .tooltip {
  position: absolute;
  right: 70px;
  background-color: var(--color-navy);
  color: var(--color-text-white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.whatsapp-float-btn .tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background-color: var(--color-navy);
}

.whatsapp-float-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

@keyframes pulse-wa {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablet / Laptop Screen */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-features-list {
    align-items: center;
  }
  
  .hero-actions {
    justify-content: center;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .reviews-container {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 500px;
  }

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

  .cta-banner-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }

  .cta-banner-list {
    justify-content: center;
  }

  .cta-banner-action {
    text-align: center;
  }

  .security-warning-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Navigation Menu on Mobile */
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 12px;
  }

  .nav-link::after {
    display: none;
  }
  
  .header-cta .btn-whatsapp {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .why-choose-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Small Smartphone Screen */
@media (max-width: 480px) {
  .section-title {
    font-size: 1.75rem;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .cta-banner-list {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
}