/* ============================================
   Design System - Variáveis CSS
   Versão 2.0 - Dourado da Logo AD Polimentos
   ============================================ */
:root {
    /* Cores HSL */
    --background: 220 20% 8%;
    --foreground: 0 0% 98%;
    
    --card: 220 18% 12%;
    --card-foreground: 0 0% 98%;
    
    --popover: 220 20% 10%;
    --popover-foreground: 0 0% 98%;
    
    /* Dourado metálico da logo AD Polimentos - hsl(43, 70%, 52%) */
    --primary: 43 70% 52%;
    --primary-foreground: 0 0% 0%;
    
    --secondary: 200 15% 20%;
    --secondary-foreground: 0 0% 98%;
    
    --muted: 220 15% 18%;
    --muted-foreground: 0 0% 65%;
    
    /* Dourado mais claro para gradientes - hsl(43, 75%, 58%) */
    --accent: 43 75% 58%;
    --accent-foreground: 0 0% 0%;
    
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 100%;
    
    --border: 220 15% 20%;
    --input: 220 15% 20%;
    --ring: 43 70% 52%;
    
    --radius: 0.75rem;
    
    /* Premium automotive colors */
    --chrome: 0 0% 75%;
    --chrome-dark: 0 0% 50%;
    --metallic: 0 0% 85%;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, hsl(43 70% 52%), hsl(43 75% 58%));
    --gradient-dark: linear-gradient(180deg, hsl(220 20% 8%), hsl(220 20% 5%));
    --gradient-card: linear-gradient(135deg, hsl(220 18% 12%), hsl(220 18% 15%));
    
    /* Shadows & Effects */
    --glow-primary: 0 0 40px hsl(43 70% 52% / 0.3);
    --shadow-elevated: 0 20px 50px -10px hsl(0 0% 0% / 0.5);
}

/* ============================================
   Reset e Base
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.6;
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 2rem;
    }
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: linear-gradient(
        to bottom,
        hsl(var(--background) / 0.92),
        hsl(var(--background) / 0.80),
        hsl(var(--background) / 0.70)
    );
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    gap: 1.5rem;
}

.header-content > nav {
    margin-left: auto;
    margin-right: 1rem;
}

.logo {
    height: 3.5rem;
    width: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 8px hsl(0 0% 0% / 0.2));
}

.logo:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 4px 12px hsl(0 0% 0% / 0.3));
}

@media (min-width: 768px) {
    .logo {
        height: 4.5rem;
    }
}

.nav-desktop {
    display: none;
    gap: 0.25rem;
    align-items: center;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
        float:right
    }
}

.nav-link {
    color: hsl(var(--foreground) / 0.9);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.75rem 1.5rem;
    border-radius: calc(var(--radius) - 2px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    background: hsl(var(--background) / 0.3);
    border: 1px solid hsl(var(--border) / 0.3);
    box-shadow: 
        inset 0 1px 2px hsl(0 0% 0% / 0.1),
        0 1px 2px hsl(0 0% 0% / 0.05);
    transform: translateY(0);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 50%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px hsl(var(--primary) / 0.4);
}

.nav-link::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: calc(var(--radius) - 2px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav-link:hover {
    color: hsl(var(--foreground));
    background: hsl(var(--background) / 0.5);
    border-color: hsl(var(--primary) / 0.4);
    box-shadow: 
        inset 0 2px 4px hsl(0 0% 0% / 0.15),
        0 2px 8px hsl(var(--primary) / 0.2),
        inset 0 -1px 0 hsl(0 0% 100% / 0.1);
    transform: translateY(1px);
}

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
    width: 70%;
    box-shadow: 0 0 14px hsl(var(--primary) / 0.6);
}

.nav-link:hover::after {
    opacity: 0.08;
}

.nav-link:active {
    transform: translateY(2px);
    box-shadow: 
        inset 0 3px 6px hsl(0 0% 0% / 0.2),
        0 1px 2px hsl(0 0% 0% / 0.1);
}

.nav-link:active::after {
    opacity: 0.12;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: calc(var(--radius) - 2px);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

.btn:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}

.btn-sm {
    height: 2.25rem;
    padding: 0 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    height: 2.75rem;
    padding: 0 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    height: 2.5rem;
    width: 2.5rem;
    padding: 0;
}

.btn-full {
    width: 100%;
}

.btn-hero {
    background: var(--gradient-primary);
    color: hsl(var(--primary-foreground));
    box-shadow: var(--shadow-elevated);
    transition: all 0.3s ease;
}

.btn-hero:hover {
    box-shadow: var(--glow-primary);
    transform: scale(1.05);
}

.btn-hero:active {
    transform: scale(1.02);
}

.btn-outline {
    border: 1px solid hsl(var(--primary));
    background-color: transparent;
    color: hsl(var(--primary));
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}

.btn-outline:active {
    transform: scale(0.98);
}

.icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 5rem;
    overflow: hidden;
    margin-top: 0;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        hsl(var(--background) / 0.6),
        hsl(var(--background) / 0.8),
        hsl(var(--background))
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 42rem;
    margin: 0 auto;
    padding: 2rem 0;
    animation: fadeIn 0.8s ease-out;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    color: hsl(var(--foreground));
    margin-bottom: 2rem;
}

.hero-title-gradient {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: hsl(var(--muted-foreground));
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.5rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* ============================================
   Sections
   ============================================ */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-description {
    font-size: 1.25rem;
    color: hsl(var(--muted-foreground));
    max-width: 48rem;
    margin: 0 auto;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background-color: hsl(var(--background) / 0.5);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: default;
}

.service-card:hover {
    border-color: hsl(var(--primary) / 0.5);
    box-shadow: var(--glow-primary);
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: calc(var(--radius) - 2px);
    background-color: hsl(var(--primary) / 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background-color 0.3s ease;
}

.service-card:hover .service-icon {
    background-color: hsl(var(--primary) / 0.2);
}

.service-icon .icon {
    width: 1.75rem;
    height: 1.75rem;
    color: hsl(var(--primary));
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: 0.5rem;
}

.service-description {
    color: hsl(var(--muted-foreground));
    line-height: 1.75;
}

/* ============================================
   Before/After Section
   ============================================ */
.before-after {
    background: var(--gradient-dark);
}

.before-after-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .before-after-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.before-after-slider {
    position: relative;
    overflow: hidden;
    cursor: col-resize;
    user-select: none;
    background-color: hsl(var(--card));
    border-radius: var(--radius);
    box-shadow: var(--shadow-elevated);
}

.slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
}

.slider-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-after {
    z-index: 1;
}

.slider-before-wrapper {
    position: absolute;
    inset: 0;
    overflow: hidden;
    clip-path: inset(0 50% 0 0);
    z-index: 2;
    transition: clip-path 0.1s ease-out;
}

.slider-before {
    position: absolute;
    inset: 0;
}

.slider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: hsl(var(--primary));
    cursor: col-resize;
    z-index: 3;
    left: 50%;
    transform: translateX(-50%);
    transition: left 0.1s ease-out;
}

.slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3rem;
    height: 3rem;
    background-color: hsl(var(--primary));
    border-radius: 50%;
    box-shadow: var(--glow-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.slider-handle-icon {
    width: 2px;
    height: 1.5rem;
    background-color: hsl(var(--primary-foreground));
    border-radius: 1px;
}

.slider-label {
    position: absolute;
    top: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: calc(var(--radius) - 4px);
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 4;
}

.slider-label-before {
    left: 1rem;
    background-color: hsl(var(--background) / 0.8);
    color: hsl(var(--foreground));
}

.slider-label-after {
    right: 1rem;
    background-color: hsl(var(--primary) / 0.9);
    color: hsl(var(--primary-foreground));
}

/* ============================================
   About Section
   ============================================ */
.about {
    background-color: hsl(var(--background) / 0.5);
}

.about-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    color: hsl(var(--muted-foreground));
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-number {
    font-size: 5.25rem;
    font-weight: 700;
    color: hsl(var(--primary));
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 3rem;
    text-align: center;
}

.stat-number.animating {
    transform: scale(1.1);
    text-shadow: 0 0 20px hsl(var(--primary) / 0.5);
}

.stats-grid.visible .stat-item {
    opacity: 1;
    transform: translateY(0);
}

.stats-grid.visible .stat-item:nth-child(1) {
    transition-delay: 0.1s;
}

.stats-grid.visible .stat-item:nth-child(2) {
    transition-delay: 0.2s;
}

.stats-grid.visible .stat-item:nth-child(3) {
    transition-delay: 0.3s;
}

.stats-grid.visible .stat-item:nth-child(4) {
    transition-delay: 0.4s;
}

.stat-label {
    color: hsl(var(--muted-foreground));
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    background-color: hsl(var(--background) / 0.5);
}

.testimonials-carousel {
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--gradient-card);
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 1rem;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: hsl(var(--primary) / 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.testimonial-avatar-initial {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--primary));
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-weight: 600;
    color: hsl(var(--foreground));
    font-size: 1.125rem;
}

.testimonial-service {
    font-size: 0.875rem;
    color: hsl(var(--muted-foreground));
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
}

.testimonial-star {
    width: 1.25rem;
    height: 1.25rem;
    color: hsl(var(--muted-foreground));
}

.testimonial-star.filled {
    fill: hsl(var(--primary));
    color: hsl(var(--primary));
}

.testimonial-comment {
    color: hsl(var(--muted-foreground));
    line-height: 1.75;
    flex: 1;
}

.testimonials-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

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

.testimonial-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: hsl(var(--muted-foreground) / 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.testimonial-dot:hover {
    background-color: hsl(var(--muted-foreground) / 0.5);
}

.testimonial-dot.active {
    width: 2rem;
    background-color: hsl(var(--primary));
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--gradient-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 96rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
        align-items: start;
    }
}

.contact-form-wrapper {
    width: 100%;
}

.contact-info-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.card {
    background: var(--gradient-card);
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    box-shadow: var(--shadow-elevated);
}

.card-header {
    padding: 2rem 2rem 0;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: hsl(var(--foreground));
}

.card-content {
    padding: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    width: 100%;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: hsl(var(--background) / 0.5);
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) - 2px);
    color: hsl(var(--foreground));
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: hsl(var(--ring));
}

.form-textarea {
    resize: none;
    min-height: 6rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: calc(var(--radius) - 2px);
    background-color: hsl(var(--primary) / 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: hsl(var(--primary));
}

.contact-label {
    font-weight: 500;
    color: hsl(var(--foreground));
}

.contact-value {
    color: hsl(var(--muted-foreground));
}

.schedule-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: hsl(var(--muted-foreground));
}

.schedule-item {
    display: flex;
    justify-content: space-between;
}

.schedule-time {
    color: hsl(var(--foreground));
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: hsl(var(--background) / 0.3);
    border-top: 1px solid hsl(var(--border));
    padding: 2rem 0;
    text-align: center;
    color: hsl(var(--muted-foreground));
}

.footer-subtitle {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

/* ============================================
   Toast Notification
   ============================================ */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: hsl(var(--card));
    color: hsl(var(--foreground));
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-elevated);
    border: 1px solid hsl(var(--border));
    z-index: 100;
    opacity: 0;
    transform: translateY(1rem);
    transition: all 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.success {
    border-color: hsl(var(--primary));
    background-color: hsl(var(--primary) / 0.1);
}

.toast.error {
    border-color: hsl(var(--destructive));
    background-color: hsl(var(--destructive) / 0.1);
    color: hsl(var(--destructive-foreground));
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.fade-in.visible {
    opacity: 1;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767px) {
    .header-content {
        padding: 0.75rem 0;
    }
    
    .logo {
        height: 2.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1.125rem;
    }
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    overflow: visible;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:active {
    transform: scale(0.95);
}

.whatsapp-icon {
    color: #ffffff;
    z-index: 2;
    position: relative;
    animation: whatsapp-icon-pulse 2s ease-in-out infinite;
}

.whatsapp-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366, #128C7E);
    opacity: 0.8;
    animation: whatsapp-pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    z-index: 1;
}

@keyframes whatsapp-pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.4;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes whatsapp-icon-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@media (max-width: 767px) {
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .whatsapp-icon {
        width: 24px;
        height: 24px;
    }
}