/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
   :root {
    /* Brand Colors */
    --clr-red: #e31837; /* Based on logo target */
    --clr-black: #1a1a1a;
    --clr-white: #ffffff;
    
    /* Highlight Colors as requested */
    --clr-blue: #0A2540; /* Institutional Blue for Sec 5.1 */
    --clr-blue-light: #F6F9FC;
    --clr-orange: #FF6B35; /* Conceptual Orange for Sec 5.2 */
    
    /* Neutrals */
    --clr-gray-100: #f8f9fa;
    --clr-gray-200: #e9ecef;
    --clr-gray-300: #dee2e6;
    --clr-gray-500: #6c757d;
    --clr-gray-800: #343a40;
    --clr-gray-900: #212529;

    /* Typography */
    --ff-primary: 'Outfit', sans-serif; /* Headings */
    --ff-secondary: 'Inter', sans-serif; /* Body */
    
    /* Layout */
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Borders & Shadows */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
    --shadow-premium: 0 0 0 2px var(--clr-orange), 0 15px 35px rgba(255, 107, 53, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--ff-secondary);
    color: var(--clr-gray-800);
    line-height: 1.6;
    background-color: var(--clr-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-primary);
    color: var(--clr-black);
    line-height: 1.2;
    font-weight: 700;
}

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

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

ul {
    list-style: none;
}

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

.text-center {
    text-align: center;
}

.bg-light {
    background-color: var(--clr-gray-100);
}

.highlight {
    color: var(--clr-red);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-family: var(--ff-primary);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background-color: var(--clr-red);
    color: var(--clr-white);
    box-shadow: 0 4px 15px rgba(227, 24, 55, 0.3);
}

.btn-primary:hover {
    background-color: #c0142d;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(227, 24, 55, 0.4);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */
.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.125rem;
    color: var(--clr-gray-500);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    padding: 1.5rem 0;
    background-color: var(--clr-white);
}

.header.scrolled {
    background: var(--clr-white);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo img {
    height: 40px; /* Adjust based on actual logo */
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--ff-primary);
    font-weight: 500;
    color: var(--clr-gray-800);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-red);
    transition: var(--transition-normal);
}

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

.nav-btn-mobile {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--clr-black);
    transition: var(--transition-fast);
}

/* ==========================================================================
   1. Hero Section
   ========================================================================== */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--clr-gray-100);
    overflow: hidden;
}

/* Subtle background elements */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.hero-bg-shapes::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(227,24,55,0.05) 0%, rgba(227,24,55,0) 70%);
}

.hero-bg-shapes::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(10,37,64,0.05) 0%, rgba(10,37,64,0) 70%);
}

.hero-container {
    position: relative;
    z-index: 1;
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(227, 24, 55, 0.1);
    color: var(--clr-red);
    font-family: var(--ff-primary);
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--clr-red);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--clr-gray-500);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-subtitle strong {
    color: var(--clr-black);
}

/* ==========================================================================
   2. Social Proof (Logos)
   ========================================================================== */
.social-proof {
    padding: 3rem 0;
    background-color: var(--clr-white);
    border-bottom: 1px solid var(--clr-gray-200);
}

.social-proof-text {
    text-align: center;
    font-family: var(--ff-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-gray-500);
    margin-bottom: 2rem;
}

.marquee-wrapper {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    width: 100%;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
}

.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}

.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}

.marquee-content {
    display: flex;
    align-items: center;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.marquee-content:hover {
    animation-play-state: paused;
}

.client-logo {
    display: inline-block;
    margin: 0 2rem;
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
    filter: grayscale(100%);
    opacity: 0.7;
    vertical-align: middle;
}

.client-logo.logo-embraer {
    height: 90px;
    margin: 0 1rem;
}

.client-logo:hover {
    transform: scale(1.1);
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==========================================================================
   3. Philosophy
   ========================================================================== */
.philosophy {
    padding: var(--spacing-xl) 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.feature-card {
    background: var(--clr-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-gray-100);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-red);
}

.feature-card-full {
    grid-column: 1 / -1;
    background-color: var(--clr-gray-100);
    border: none;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--clr-red);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--clr-gray-500);
    font-size: 0.95rem;
}

/* ==========================================================================
   4. Value Prop
   ========================================================================== */
.value-prop {
    padding: var(--spacing-xl) 0;
    background-color: var(--clr-black);
    color: var(--clr-white);
}

.value-prop .section-title {
    color: var(--clr-white);
}

.value-prop .section-description {
    color: var(--clr-gray-300);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    position: relative;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.value-number {
    font-family: var(--ff-primary);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.value-content h3 {
    color: var(--clr-white);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.value-content p {
    color: var(--clr-gray-300);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   5.1 Roadmap Timeline (Interactive)
   ========================================================================== */
.roadmap {
    padding: var(--spacing-xl) 0;
    background-color: var(--clr-blue-light);
}

.timeline-container {
    margin-top: 4rem;
}

/* Horizontal Nav (Desktop) */
.timeline-nav {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 3rem;
}

.timeline-nav::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--clr-gray-300);
    z-index: 1;
    transform: translateY(-50%);
}

.timeline-btn {
    position: relative;
    z-index: 2;
    background: var(--clr-white);
    border: 2px solid var(--clr-gray-300);
    border-radius: 30px;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.timeline-btn:hover {
    border-color: var(--clr-blue);
}

.timeline-btn.active {
    background-color: var(--clr-blue);
    border-color: var(--clr-blue);
    color: var(--clr-white);
    box-shadow: 0 4px 15px rgba(10, 37, 64, 0.2);
}

.phase-num {
    font-family: var(--ff-primary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-gray-500);
}

.timeline-btn.active .phase-num {
    color: rgba(255, 255, 255, 0.8);
}

.phase-name {
    font-weight: 600;
    font-size: 1rem;
}

/* Content Panels */
.timeline-content-wrapper {
    position: relative;
    min-height: 400px; /* Pre-allocate space */
}

.timeline-panel {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.timeline-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    text-align: center;
    margin-bottom: 2rem;
}

.panel-title {
    font-size: 1.75rem;
    color: var(--clr-blue);
    margin-bottom: 0.5rem;
}

.panel-focus {
    font-size: 1.1rem;
    color: var(--clr-gray-800);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.panel-card {
    background: var(--clr-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--clr-blue);
}

.panel-card.alt-bg {
    background: #fdfdfd;
    border-top-color: var(--clr-red);
}

.panel-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-card ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel-card li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--clr-gray-800);
}

.panel-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--clr-red);
    font-weight: bold;
}

/* ==========================================================================
   5.2 Methodological Pillars Grid
   ========================================================================== */
.pillars {
    padding: var(--spacing-xl) 0;
    background-color: var(--clr-white);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.pillar-card {
    background: var(--clr-gray-100);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.pillar-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--clr-blue);
}

.pillar-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--clr-gray-300);
}

.pillar-item {
    margin-bottom: 1.5rem;
}

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

.pillar-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--clr-black);
}

.pillar-item p {
    font-size: 0.95rem;
    color: var(--clr-gray-500);
}

/* The Plus Column */
.premium-card {
    background: var(--clr-white);
    border: 2px solid var(--clr-orange);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(1.05);
    z-index: 10;
}

.premium-card .pillar-icon {
    color: var(--clr-orange);
}

.premium-card:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.premium-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--clr-orange);
    color: var(--clr-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: var(--ff-primary);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
}

/* ==========================================================================
   Footer / CTA Final
   ========================================================================== */
.footer {
    background-color: var(--clr-black);
    color: var(--clr-white);
    padding: 6rem 0 2rem;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto 6rem;
}

.footer-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--clr-white);
    margin-bottom: 1rem;
}

.footer-subtitle {
    font-size: 1.25rem;
    color: var(--clr-gray-300);
    margin-bottom: 2.5rem;
}

.footer-btn {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-logo img {
    height: 40px;
    background-color: var(--clr-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

.copyright {
    color: var(--clr-gray-500);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .premium-card {
        transform: none;
    }
    
    .premium-card:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    /* Header Mobile */
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--clr-white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-sm);
        gap: 1.5rem;
        text-align: center;
        border-top: 1px solid var(--clr-gray-200);
        display: none;
    }
    .nav.active {
        display: flex;
    }
    .nav-btn {
        display: none !important;
    }
    
    .nav-btn-mobile {
        display: inline-block !important;
        margin-top: 0.5rem;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Sections spacing */
    :root {
        --spacing-xl: 4rem;
    }
    
    /* Hero */
    .hero {
        padding-top: 8rem;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    /* Features */
    .philosophy-features {
        grid-template-columns: 1fr;
    }
    
    /* Timeline Mobile Accordion */
    .timeline-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-nav::before {
        display: none;
    }
    
    .timeline-btn {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem 1.5rem;
    }
    
    .grid-2-col {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* ==========================================================================
   Contact Modal & Mobile/Safari Optimizations
   ========================================================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 2000;
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    padding: 24px 16px;
    box-sizing: border-box;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInModal 0.3s ease;
}

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

.modal-content {
    background-color: var(--clr-white);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 100%;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
    margin: auto; /* Essential for mobile/Safari: centers when fits, enables top-to-bottom scroll when overflowing */
    flex-shrink: 0;
    box-sizing: border-box;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--clr-gray-500);
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: 50%;
    line-height: 1;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    z-index: 10;
}

.close-modal:hover {
    color: var(--clr-red);
    background-color: var(--clr-gray-100);
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--clr-blue);
}

.modal-text {
    color: var(--clr-gray-500);
    margin-bottom: 1.75rem;
    line-height: 1.5;
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-email {
    background-color: var(--clr-blue);
    color: white;
}

.btn-email:hover {
    background-color: #05182e;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 37, 64, 0.4);
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
    margin-top: 1rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--clr-gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--ff-secondary);
    font-size: 16px; /* 16px explicitly prevents auto-zoom on iOS Safari */
    color: var(--clr-gray-800);
    background-color: var(--clr-white);
    -webkit-appearance: none;
    appearance: none;
    transition: var(--transition-fast);
    box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--clr-red);
    box-shadow: 0 0 0 2px rgba(227, 24, 55, 0.2);
}

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

.btn-submit {
    width: 100%;
    margin-top: 0.5rem;
}

@media (max-width: 480px) {
    .modal {
        padding: 16px 12px;
    }
    
    .modal-content {
        padding: 2rem 1.25rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .modal-text {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-normal);
    text-decoration: none;
}
.floating-whatsapp:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-lg);
    color: white;
}