/* TIM TAXI - Styles CSS Modern & Responsive */
/* ========================================== */

/* CSS Reset & Base Styles */
/* ======================= */

*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.25s ease;
}

button {
    border: none;
    background: none;
    cursor: pointer;
}

/* CSS Custom Properties */
/* ===================== */

:root {
    /* Colors */
    --primary-color: #52b2e6;
    --primary-hover: #3da5e0;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-900: #111827;
    --success: #10b981;
    --error: #ef4444;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-size-sm: 0.875rem;
    --font-size-md: 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: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Containers */
    --container-padding: 1rem;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

/* Container & Layout */
/* ================== */

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

/* Typography */
/* ========== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.section-title {
    text-align: center;
    font-size: var(--section-title-size);
    font-weight: 700;
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
}

/* Buttons */
/* ======= */

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-md);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    min-height: 44px; /* Accessibility - minimum touch target */
    text-decoration: none;
}

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

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* WhatsApp button now uses btn-secondary class */

/* Header */
/* ====== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    min-height: var(--header-height);
    gap: var(--spacing-sm);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.logo-sub {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1;
}

/* Navigation */
.nav {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-normal);
}

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

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

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

/* Header Contact */
.phone-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.phone-btn:hover, .phone-btn:focus {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.phone-icon {
    font-size: var(--font-size-md);
    flex-shrink: 0;
}

.phone-number {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Mobile phone button optimization - removed, handled in responsive section */

/* Hero Section */
/* ============ */

.hero {
    padding-top: calc(var(--header-height) + var(--spacing-xl)); /* Account for fixed header */
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--hero-title-size);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.badge {
    background-color: var(--white);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.hero-contact p {
    color: var(--text-secondary);
    margin: 0;
}

.hero-contact a {
    color: var(--primary-color);
    font-weight: 500;
}

.hero-contact a:hover, .hero-contact a:focus {
    text-decoration: underline;
}

/* Services Section */
/* ================ */

.services {
    padding: var(--spacing-3xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.service-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.service-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* Zones Section */
/* ============= */

.zones {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.zones-description {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.zones-description p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.zones-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.zone-group {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.zone-group h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.zone-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.zone-list li {
    padding: var(--spacing-sm);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.zone-list li:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Reservation Section */
/* =================== */

.reservation {
    padding: var(--spacing-3xl) 0;
}

.form-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-intro p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.reservation-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
}

.form-input, .form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
    background-color: var(--white);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 128, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Captcha Styles */
.captcha-group {
    background-color: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.captcha-question {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.captcha-group .form-input {
    max-width: 120px;
}

/* Error Messages */
.error-message {
    color: var(--error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: none;
}

.error-message.show {
    display: block;
}

.form-input.error, .form-textarea.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Form Submit Button */
.form-submit {
    width: 100%;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Form Notice */
.form-notice {
    max-width: 600px;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-lg);
    background-color: var(--success);
    color: var(--white);
    border-radius: var(--radius-md);
    text-align: center;
}

.form-notice a {
    color: var(--white);
    text-decoration: underline;
    font-weight: 600;
}

/* Map Section */
/* =========== */

.map-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.map-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map {
    width: 100%;
    height: 400px;
    background-color: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* Contact Section */
/* =============== */

.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.contact-info, .contact-features {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-info h3, .contact-features h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-item strong {
    color: var(--text-primary);
}

.contact-link {
    color: var(--primary-color);
    font-weight: 500;
    transition: color var(--transition-normal);
}

.contact-link:hover, .contact-link:focus {
    color: var(--primary-hover);
    text-decoration: underline;
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

/* Footer */
/* ====== */

.footer {
    background-color: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    display: block;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

.footer-logo .logo-main {
    color: var(--white);
}

.footer-logo .logo-sub {
    color: var(--gray-300);
}

.footer-description {
    color: var(--gray-300);
    margin-top: var(--spacing-md);
}

.footer-links h4, .footer-contact h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a, .footer-contact a {
    color: var(--gray-300);
    transition: color var(--transition-normal);
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-300);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-300);
    margin: 0;
    font-size: var(--font-size-sm);
}

.footer-bottom a {
    color: var(--gray-300);
    transition: color var(--transition-normal);
}

.footer-bottom a:hover, .footer-bottom a:focus {
    color: var(--white);
    text-decoration: underline;
}

/* Responsive Design */
/* ================= */

/* Responsive Design - Mobile First */
/* ================================== */

/* Variables responsives par breakpoint */
:root {
    /* Mobile par défaut (320px+) */
    --container-padding: 1rem;
    --header-height: 60px;
    --section-padding: 2rem 0;
    --hero-title-size: 1.75rem;
    --section-title-size: 1.5rem;
    --card-padding: 1rem;
    --form-padding: 1rem;
}

/* Extra Small Mobile (320px-360px) - Très petits écrans */
@media (max-width: 359px) {
    :root {
        --container-padding: 0.75rem;
        --hero-title-size: 1.5rem;
        --section-title-size: 1.25rem;
        --card-padding: 0.75rem;
        --form-padding: 0.75rem;
    }
    
    .phone-btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.7rem;
    }
    
    .phone-number {
        font-size: 0.7rem;
    }
    
    .logo-image {
        height: 30px;
    }
    
    .logo-sub {
        font-size: 0.65rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
}

/* Réinitialisation pour mobile */
.header-content {
    padding: 0.75rem 0;
    min-height: var(--header-height);
    gap: 0.5rem;
}

.logo-image {
    height: 35px;
}

.logo-sub {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav {
    display: none;
}

.phone-btn {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    min-height: 40px;
    gap: 0.25rem;
}

.phone-icon {
    font-size: 0.875rem;
}

.phone-number {
    font-size: 0.75rem;
}

.hero {
    padding-top: calc(var(--header-height) + 1rem);
    padding-bottom: 2rem;
}

.hero-title {
    font-size: var(--hero-title-size);
    line-height: 1.2;
    padding: 0 1rem;
}

.hero-subtitle {
    font-size: 1rem;
    padding: 0 1rem;
}

.hero-badges {
    flex-direction: column;
    padding: 0 1rem;
}

.hero-cta {
    flex-direction: column;
    padding: 0 1rem;
}

.btn-primary, .btn-secondary {
    width: 100%;
    max-width: 280px;
    font-size: 0.875rem;
}

.section-title {
    font-size: var(--section-title-size);
    padding: 0 1rem;
}

.services, .zones, .reservation, .contact {
    padding: var(--section-padding);
}

.service-card, .zone-group, .contact-info, .contact-features {
    padding: var(--card-padding);
}

.reservation-form {
    padding: var(--form-padding);
}

.form-row {
    grid-template-columns: 1fr;
}

.map {
    height: 300px;
}

.footer-logo-text {
    font-size: 1.25rem;
}

.footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* Small Mobile (480px+) */
@media (min-width: 480px) {
    :root {
        --hero-title-size: 2rem;
        --section-title-size: 1.75rem;
        --card-padding: 1.5rem;
        --form-padding: 1.5rem;
    }
    
    .hero-badges {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .phone-btn {
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
    }
    
    .phone-number {
        font-size: 0.875rem;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .logo-sub {
        font-size: 0.75rem;
    }
    
    .whatsapp-float {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float-btn {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-float-icon {
        font-size: 1.25rem;
    }
}

/* Tablet (768px+) */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
        --header-height: 70px;
        --section-padding: 3rem 0;
        --hero-title-size: 2.5rem;
        --section-title-size: 2rem;
        --card-padding: 2rem;
        --form-padding: 2rem;
    }
    
    .nav {
        display: block;
    }
    
    .logo-image {
        height: 50px;
    }
    
    .footer-logo-text {
        font-size: 1.75rem;
    }
    
    .phone-btn {
        font-size: 1rem;
        padding: 0.75rem 1.25rem;
    }
    
    .phone-number {
        font-size: 1rem;
    }
    
    .phone-icon {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
    
    .btn-primary, .btn-secondary {
        width: auto;
        min-width: 180px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .zones-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 2rem;
    }
    
    .map {
        height: 400px;
    }
    
    .reservation-form {
        max-width: 600px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    :root {
        --hero-title-size: 3rem;
        --section-title-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .map {
        height: 500px;
    }
    
    .logo-image {
        height: 55px;
    }
    
    .footer-logo-text {
        font-size: 2rem;
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    :root {
        --hero-title-size: 3.5rem;
        --section-title-size: 3rem;
    }
}

/* Accessibility & Focus States */
/* =========================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for better accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 100;
}

.skip-link:focus {
    top: 6px;
}

/* Print styles */
@media print {
    .header, .footer, .hero-cta, .reservation, .map-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        padding: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #2563eb;
        --text-primary: #000000;
        --text-secondary: #333333;
    }
}

/* WhatsApp Floating Button */
/* ======================== */

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 3px solid var(--white);
}

.whatsapp-float-btn:hover, .whatsapp-float-btn:focus {
    background-color: #1da851;
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-float-icon {
    font-size: 1.5rem;
    color: var(--white);
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}