/* ============================================
   WT Refrigeração — Design System
   Paleta: Laranja/Amarelo sobre fundo escuro
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Primary Colors */
  --primary: #FF7A00;
  --primary-light: #FF9A33;
  --primary-dark: #E06500;
  --primary-glow: rgba(255, 122, 0, 0.4);

  /* Secondary Colors */
  --secondary: #FFB830;
  --secondary-light: #FFCC66;
  --secondary-dark: #E6A020;

  /* Accent */
  --accent: #FF5500;
  --accent-glow: rgba(255, 85, 0, 0.3);

  /* Backgrounds */
  --bg-body: #FAFAFA;
  --bg-section: #FFFFFF;
  --bg-section-alt: #F3F4F6;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F9FAFB;

  /* Glass */
  --glass-bg: rgba(0, 0, 0, 0.02);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-bg-hover: rgba(0, 0, 0, 0.04);

  /* Text */
  --text: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #FF7A00, #FFB830);
  --gradient-hero: linear-gradient(160deg, #FAFAFA 0%, #F3F4F6 100%);
  --gradient-accent: linear-gradient(135deg, #FF5500, #FF7A00, #FFB830);
  --gradient-text: linear-gradient(135deg, #FF9A33, #FFB830);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-glow-strong: 0 8px 24px rgba(0, 0, 0, 0.1);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text);
  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);
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.gradient-text {
  color: var(--primary);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.5px;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* --- Animate on Scroll (hidden by default) --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-xl);
  font-weight: 800;
  z-index: 1001;
}

.logo-text {
  color: var(--primary);
}

.logo-text-secondary {
  color: var(--text);
  font-weight: 600;
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

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

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

.nav-cta {
  padding: var(--space-sm) var(--space-lg);
  background: var(--primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: opacity var(--transition-fast);
}

.nav-cta:hover {
  opacity: 0.9;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.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;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  display: none;
}

.hero::after {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}



.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  color: var(--primary);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  background: var(--primary);
  color: #fff;
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  background: transparent;
  color: var(--text);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--primary);
  color: var(--primary-light);
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--glass-border);
}

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

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  padding: var(--space-4xl) 0;
  background: var(--bg-section);
  position: relative;
}

.services::before {
  display: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.service-card:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-price {
  display: inline-block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ============================================
   ABOUT / SOBRE SECTION
   ============================================ */
.about {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-feature-text h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.about-feature-text p {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: 0;
}

/* About - stats panel */
.about-stats-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* ============================================
   REGIONS / ATENDIMENTO
   ============================================ */
.regions {
  padding: var(--space-4xl) 0;
  background: var(--bg-section);
  position: relative;
}

.regions::before {
  display: none;
}

.regions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.region-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.region-card:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-3px);
}

.region-card.main-region {
  border-color: rgba(255, 122, 0, 0.3);
}

.region-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.region-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.region-tag {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 500;
}

/* Lucide icons */
.lucide-icon {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
  stroke-width: 1.75;
  fill: none;
}

.service-icon .lucide-icon {
  width: 28px;
  height: 28px;
}

.about-feature-icon .lucide-icon {
  width: 20px;
  height: 20px;
}

.contact-item-icon .lucide-icon {
  width: 22px;
  height: 22px;
}

.region-icon .lucide-icon {
  width: 32px;
  height: 32px;
}

.logo-icon .lucide-icon {
  width: 22px;
  height: 22px;
  stroke: #fff;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: var(--space-xl);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  width: calc(33.333% - 22px);
  min-width: 300px;
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  color: var(--secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.testimonial-author-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.testimonial-author-location {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.testimonials-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.testimonials-nav button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.testimonials-nav button:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
  padding: var(--space-4xl) 0;
  background: var(--bg-section);
  position: relative;
}

.faq::before {
  display: none;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: rgba(0, 0, 0, 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-light);
}

.faq-question-icon {
  font-size: var(--font-size-xl);
  color: var(--primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.active .faq-question-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer-content {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   CONTACT / CTA SECTION
   ============================================ */
.contact {
  padding: var(--space-4xl) 0;
  background: var(--bg-section-alt);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.contact-cta-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.contact-cta-panel::before {
  display: none;
}

.contact-cta-panel h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  position: relative;
}

.contact-cta-panel p {
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  background: #25D366;
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  position: relative;
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-2xl) 0;
  background: var(--bg-body);
  border-top: 1px solid var(--glass-border);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-copy {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

@keyframes float-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
  50% { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4); }
}

/* Tooltip */
.whatsapp-float-tooltip {
  position: absolute;
  right: 72px;
  background: #fff;
  color: #333;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .testimonial-card {
    width: calc(50% - 16px);
    min-width: 280px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 250, 250, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 1000;
  }

  .nav-links.active {
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    font-size: var(--font-size-2xl);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-xl);
  }

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

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

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

  .about-stats-panel {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

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

  .testimonial-card {
    width: 100%;
    min-width: unset;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

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

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

  .stat-number {
    font-size: var(--font-size-3xl);
  }
}