/* ====================================================================
   STYLES.CSS - QUALITÁ TRANSPORTES
   Versão limpa e organizada - SEM DUPLICAÇÕES
   ==================================================================== */

:root {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, .06);
  --panel2: rgba(0, 0, 0, .18);
  --txt: #eaf0ff;
  --muted: rgba(234, 240, 255, .75);
  --border: rgba(255, 255, 255, .10);
  --shadow: 0 20px 60px rgba(0, 0, 0, .35);
  --radius: 18px;
  --max: 1120px;
  --brand: #38bdf8;
  --brand2: #22c55e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--txt);
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(56, 189, 248, .25), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(34, 197, 94, .18), transparent 60%),
    radial-gradient(900px 600px at 50% 100%, rgba(56, 189, 248, .08), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

/* ===========================
   HEADER
   =========================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, .72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;  /* ✅ NOVO - Acomoda logo de 100px */
  gap: 16px;
  padding: 10px 18px; /* ✅ ADICIONE padding vertical */
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: .6px;
}

.brand-name {
  font-size: 18px;
}

/* Logo */
.topbar .logo {
  height: 50px;
  width: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}

.logo.sm {
  width: 26px;
  height: 26px;
  border-radius: 10px;
}

/* Navegação Desktop */
.navlinks {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
}

.navlinks a {
  padding: 10px 10px;
  border-radius: 12px;
  transition: .2s ease;
}

.navlinks a:hover {
  background: rgba(255, 255, 255, .06);
  color: var(--txt);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===========================
   BOTÕES
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  font-weight: 900;
  cursor: pointer;
  transition: .2s ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .12);
  background: rgba(255, 255, 255, .06);
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, .09);
}

.btn-primary {
  border-color: rgba(56, 189, 248, .35);
  background: linear-gradient(135deg, rgba(56, 189, 248, .25), rgba(34, 197, 94, .18));
}

.btn-soft {
  border-color: rgba(34, 197, 94, .28);
  background: rgba(34, 197, 94, .10);
}

.btn-light {
  background: white;
  color: #0b1220;
  border: none;
}

.btn-light:hover {
  background: #f0f0f0;
}

/* Botão MENU Mobile */
.menu-btn {
  display: none;
  background: #1e40af;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.menu-btn:hover {
  background: #1e3a8a;
  transform: translateY(-1px);
}

.menu-btn.active {
  background: #dc2626;
}

/* ===========================
   MENU MOBILE
   =========================== */
.mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  background: rgba(11, 18, 32, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 120px;
  left: 0;
  right: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-bottom: 1px solid var(--border);
}

.mobile.active {
  display: flex;
  max-height: 500px;
}

.mobile a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  padding: 0.75rem;
  border-radius: 8px;
  transition: all 0.2s;
}

.mobile a:hover {
  background: rgba(255, 255, 255, .06);
  color: var(--txt);
}

.mobile-cta {
  margin-top: 1rem;
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 54px 0 22px;
}

.hero-bg {
  background-image: url('img/hero.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    rgba(7, 31, 67, 0.95) 0%,
    rgba(7, 31, 67, 0.85) 40%,
    rgba(7, 31, 67, 0.55) 70%,
    rgba(7, 31, 67, 0.2) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  color: #fff;
  padding: 2rem;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.pill {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, .32);
  background: rgba(56, 189, 248, .12);
  font-size: 12px;
  font-weight: 950;
}

h1 {
  margin: 10px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.6px;
}

.highlight {
  color: #3da5ff;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* ===========================
   SECTIONS
   =========================== */
.section {
  padding: 38px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.3px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.6;
}

/* ===========================
   SOBRE
   =========================== */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
}

.panel h3 {
  margin: 0 0 10px;
}

.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.stat {
  border: 1px solid var(--border);
  background: var(--panel2);
  border-radius: 16px;
  padding: 16px;
}

.stat-big {
  font-size: 26px;
  font-weight: 950;
  letter-spacing: -0.4px;
}

.stat-small {
  color: var(--muted);
  margin-top: 6px;
  font-weight: 800;
  font-size: 12px;
}

/* Ilustração */
.illus {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.illus .frame {
  flex: 1;
  border: 1px solid var(--border);
  background:
    radial-gradient(700px 280px at 60% 20%, rgba(56, 189, 248, .18), transparent 60%),
    radial-gradient(500px 240px at 30% 80%, rgba(34, 197, 94, .14), transparent 60%),
    rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  min-height: 240px;
}

.illus .frame:before {
  content: "Entregador QUALITÁ transportes em ação";
  position: absolute;
  left: 14px;
  top: 14px;
  font-weight: 900;
  color: rgba(234, 240, 255, .88);
  background: rgba(11, 18, 32, .55);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  font-size: 12px;
}

.route {
  position: absolute;
  inset: 0;
  opacity: .95;
}

.route svg {
  width: 100%;
  height: 100%;
}

.route path {
  stroke: rgba(56, 189, 248, .65);
  stroke-width: 3.5;
  fill: none;
  stroke-dasharray: 9 10;
  animation: dash 2.6s linear infinite;
}

@keyframes dash {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: 44;
  }
}

.pin {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: rgba(34, 197, 94, .95);
  box-shadow: 0 0 0 8px rgba(34, 197, 94, .15);
  left: 58%;
  top: 44%;
  transform: translate(-50%, -50%);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: .85;
  }
}

.note {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--muted);
  font-weight: 750;
  line-height: 1.55;
}

.note b {
  color: rgba(234, 240, 255, .92);
}

/* ===========================
   SEÇÃO ESTRUTURA (SLIDER)
   =========================== */
.section-estrutura {
  background: linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .01));
}

.estrutura-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.estrutura-slider-wrapper {
  position: relative;
  width: 100%;
}

.estrutura-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, .35);
}

.slide {
  display: none;
  flex-direction: column;
}

.slide.active {
  display: flex;
  animation: fadeIn 0.5s ease-in-out;
}

.slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.slide-caption {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 2rem 1.5rem 1.5rem;
  margin-top: -4rem;
  position: relative;
  z-index: 2;
}

.slide-caption p {
  color: #fff;
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
  text-align: center;
  font-weight: 500;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.slider-btn {
  background: rgba(255, 255, 255, .08);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--txt);
}

.slider-btn:hover {
  background: rgba(255, 255, 255, .12);
  border-color: var(--brand);
  color: var(--brand);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--brand);
  width: 24px;
  border-radius: 5px;
}

.dot:hover {
  background: rgba(255, 255, 255, .4);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.estrutura-texto h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.estrutura-texto p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.estrutura-cta {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ===========================
   SERVIÇOS
   =========================== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .04));
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
  transition: .18s ease;
}

.card:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .05));
}

.icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(56, 189, 248, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  margin-bottom: 10px;
}

.card h4 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* ===========================
   CONTATO E PARCEIRO
   =========================== */
.contato-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.contato-info h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contato-info > p {
  color: var(--muted);
  margin-bottom: 2rem;
}

.fale-conosco-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.fale-conosco-box h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.info-grid {
  display: grid;
  gap: 1.5rem;
}

.info-item strong {
  display: block;
  color: rgba(234, 240, 255, .9);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: 950;
}

.info-item p {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
  font-weight: 700;
}

/* Card Seja Parceiro */
.parceiro-cta-card {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  border-radius: 20px;
  padding: 3rem;
  color: #fff;
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.parceiro-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: 0;
}

.parceiro-cta-card > * {
  position: relative;
  z-index: 1;
}

.parceiro-badge {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.parceiro-badge svg {
  color: #fff;
}

.parceiro-cta-card h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.parceiro-description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.parceiro-description strong {
  font-weight: 600;
  color: #fff;
}

.parceiro-beneficios {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
}

.parceiro-beneficios li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  font-size: 1rem;
  font-weight: 500;
}

.parceiro-beneficios svg {
  flex-shrink: 0;
  color: #86efac;
}

.btn-parceiro {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #fff;
  color: #1e3a8a;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  margin-bottom: 1.5rem;
}

.btn-parceiro:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
  background: #f0f9ff;
}

.btn-parceiro svg {
  transition: transform 0.3s ease;
}

.btn-parceiro:hover svg {
  transform: translateX(4px);
}

.parceiro-footer {
  font-size: 0.9rem;
  opacity: 0.85;
  margin: 0;
  text-align: center;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding: 22px 0 34px;
  border-top: 1px solid var(--border);
  color: rgba(234, 240, 255, .70);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-footer {
  height: 40px;
  width: auto;
}

/* ===========================
   WHATSAPP FLUTUANTE
   =========================== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 35px;
  width: 65px;
  height: 65px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, .35);
  cursor: pointer;
  transition: all .3s ease;
  z-index: 9999;
  animation: pulseWhats 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  background: #1ebe5d;
}

@keyframes pulseWhats {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ===========================
   REVEAL ANIMATION
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: .45s ease;
}

.reveal.show,
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===========================
   RESPONSIVO
   =========================== */
@media (max-width: 980px) {
  .about {
    grid-template-columns: 1fr;
  }
  
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .estrutura-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contato-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  /* Menu Mobile */
  .navlinks,
  .nav-cta .btn-primary,
  .nav-cta .btn-soft {
    display: none;
  }
  
  .menu-btn {
    display: block;
  }
  
  /* Hero Mobile */
  .hero-bg {
    background-position: 65% center;
  }
  
  .hero-content {
    padding: 2rem 1.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero .lead {
    font-size: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  /* Slider */
  .slide-caption {
    padding: 1.5rem 1rem 1rem;
    margin-top: -3rem;
  }
  
  .slider-controls {
    margin-top: 1rem;
  }
  
  /* Card Parceiro */
  .parceiro-cta-card {
    padding: 2rem;
  }
  
  .parceiro-cta-card h3 {
    font-size: 1.75rem;
  }
  
  /* Logo */
  .topbar .logo {
    height: 40px;
  }
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  /* Hero */
  .hero-bg {
    background-position: 70% center;
  }
  
  .hero-content {
    padding: 1.5rem 1rem;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .kicker .pill {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }
  
  .hero .lead {
    font-size: 0.95rem;
  }
  
  .brand-name {
    font-size: 0.9rem;
  }
  
  .topbar .logo {
    height: 35px;
  }
  
  /* Logo Footer */
  .logo-footer {
    height: 30px;
  }
  
  /* Card Parceiro */
  .parceiro-cta-card {
    padding: 1.5rem;
  }
  
  .parceiro-badge {
    width: 60px;
    height: 60px;
  }
  
  .parceiro-badge svg {
    width: 32px;
    height: 32px;
  }
  
  .parceiro-cta-card h3 {
    font-size: 1.5rem;
  }
  
  .fale-conosco-box {
    padding: 1.5rem;
  }
  
  /* WhatsApp */
  .whatsapp-float {
    width: 55px;
    height: 55px;
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .hero-bg {
    background-position: 75% center;
  }
  
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .hero .lead {
    font-size: 0.9rem;
  }
}



/*.logo-container {
  background: #fff;
  padding: 6px 10px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.logo-container .logo {
  height: 40px;
  width: auto;
}*/


.topbar .logo {
  height: 100px;
  width: auto;
  border-radius: 20px;
  /* Aumenta brilho e contraste */
  filter: brightness(1.3) contrast(1.1);
  /* Fundo branco para destacar */
  background: rgba(255, 255, 255, 0.95);
  padding: 4px 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.topbar .logo:hover {
  filter: brightness(1.4) contrast(1.15);
  transform: scale(1.05);
}



html {
  scroll-behavior: smooth;
  scroll-padding-top: 130px; /* ✅ Compensa altura do header */
}



/* CONFIGURAÇÃO PARA DESKTOP (Computador) */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 130px;              /* Tamanho no PC */
    height: 130px;             /* Tamanho no PC */
    background-color: #25d366; 
    border-radius: 80%;       
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;         
    box-shadow: 2px 2px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    border: 3px solid #fff;   
    transition: 0.3s;
}

.whatsapp-icon {
    width: 150%;              
    height: 150%;             
    object-fit: cover;        
    object-position: center;  
}

whatsapp-float:hover {
    transform: scale(1.05);
    transition: 0.3s;
}

/* CONFIGURAÇÃO EXCLUSIVA PARA CELULAR (Telas até 768px) */
@media screen and (max-width: 768px) {
    .whatsapp-float {
        width: 80px;          /* Tamanho menor para celular */
        height: 80px;         /* Tamanho menor para celular */
        bottom: 30px;         /* Mais perto da borda no celular */
        right: 30px;          /* Mais perto da borda no celular */
    }
}