/* =========================================
   OmniCode Systems Design System
   ========================================= */

:root {
    /* Colors - Deep Dark Mode */
    --bg-base: #000000;
    --bg-alt: #05050a; /* Subtle secondary dark */
    --bg-surface: #0a0a14;
    --bg-surface-glass: rgba(0, 0, 0, 0.4);
    
    /* Accents - OmniCode Palette */
    --accent-primary: #6366f1; /* Indigo */
    --accent-purple: #9333ea;
    --accent-cyan: #22d3ee;
    --accent-secondary: var(--accent-cyan);
    
    /* Text */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-purple), var(--accent-cyan));
    
    /* Misc */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    /* Layout */
    --container-width: 1200px;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--grad-primary);
    z-index: 1001;
    transition: width 0.1s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Cyber-Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.1) 0%, transparent 80%),
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 100% 100%, 50px 50px, 50px 50px;
    z-index: -10;
    opacity: 0.25; /* Subtle grid */
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 40%, rgba(147, 51, 234, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(34, 211, 238, 0.05) 0%, transparent 50%);
    z-index: -9;
    pointer-events: none;
}

/* Typography */
h1, h2, h3, h4, .logo {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

/* Animations Class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-main);
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.9rem; }
.btn-large { padding: 1rem 2.5rem; font-size: 1.125rem; }

/* Glowing Orbs for ambiance */
.glowing-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.5;
}

/* Header Seamless */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: #000000; /* Pure black for logo blending */
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0; /* Tighter padding */
    transition: all 0.3s;
}
.header.scrolled {
    padding: 0.4rem 0;
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}
.logo-icon {
    width: 45px;
    height: 45px;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.4));
}
.brand-logo:hover .logo-icon {
    transform: scale(1.05);
}
.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}
.brand-name {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    text-transform: capitalize;
    background: linear-gradient(to right, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.3));
}
.brand-tagline {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-primary);
    line-height: 1.2;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-list a:hover {
    color: var(--text-main);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.05), transparent);
    animation: scanner 8s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes scanner {
    0% { left: -100%; }
    100% { left: 100%; }
}

.hero-slider {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2;
    overflow: hidden;
    background: var(--bg-base);
}

.hero-slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    mix-blend-mode: screen;
    transform: scale(1.1);
}

.hero-slide.active {
    opacity: 0.4;
    transform: scale(1);
    animation: kenBurns 15s linear infinite alternate;
}

@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(-1%, -1%); }
}

.hero .orb-1 { width: 50vw; height: 50vw; background: var(--accent-primary); top: -20%; left: -10%; }
.hero .orb-2 { width: 40vw; height: 40vw; background: var(--accent-secondary); bottom: -10%; right: -10%; }

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.services {
    background-color: var(--bg-alt);
    position: relative;
}

/* Section Header Reinforcement */
.section-headers {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--grad-primary);
    border-radius: 2px;
}

/* Section Dividers */
.section-divider {
    width: 100%;
    height: 100px;
    position: relative;
    z-index: 10;
    overflow: hidden;
    line-height: 0;
}

.section-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

.divider-top {
    transform: rotate(180deg);
}

.divider-fill-base { fill: var(--bg-base); }
.divider-fill-alt { fill: var(--bg-alt); }
.divider-fill-surface { fill: var(--bg-surface); }

/* Services */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-glow);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.icon-glow {
    filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.6));
    color: var(--accent-primary);
}

/* Custom Solutions Section */
.custom-solutions {
    background: linear-gradient(to bottom, var(--bg-base), var(--bg-surface));
    padding: 8rem 0;
}

.custom-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: 4rem;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.custom-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 32px;
    padding: 1.5px;
    background: linear-gradient(135deg, var(--accent-primary), transparent, var(--accent-secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.3;
}

.custom-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.custom-text p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

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

.stat-item {
    text-align: center;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-secondary);
    background: rgba(45, 212, 191, 0.05);
}

.stat-number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-secondary);
    font-family: 'Outfit', sans-serif;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-muted);
}

/* Products Showcase */
.products {
    background: var(--bg-surface);
    position: relative;
}

.product-showcase {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 8rem;
}

.product-showcase:last-child {
    margin-bottom: 0;
}

.product-showcase.reverse {
    flex-direction: row-reverse;
}

.product-info {
    flex: 1;
}

.product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.badge-blue { background: rgba(14, 165, 233, 0.15); color: #38bdf8; }
.badge-green { background: rgba(34, 197, 94, 0.15); color: #4ade80; }

.product-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.product-features {
    list-style: none;
}
.product-features li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
}
.product-features li span {
    color: var(--accent-primary);
    font-weight: bold;
}

.product-visual {
    flex: 1;
    position: relative;
    padding: 2rem;
}

.glass-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.glass-container img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    mix-blend-mode: lighten;
    object-fit: cover;
}

.orb-small {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}
.orb-purple { background: var(--accent-purple); }
.orb-cyan { background: var(--accent-secondary); }
.orb-green { background: #22c55e; }

/* CTA Section */
/* Contact Section */
.contact-section {
    padding: 8rem 0;
    position: relative;
    background: linear-gradient(to bottom, var(--bg-surface), var(--bg-base));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.info-items {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.info-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.info-item h4 {
    margin-bottom: 0.25rem;
    color: var(--text-main);
}

.info-item p {
    color: var(--text-muted);
}

/* Glass Form */
.glass-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s;
    appearance: none; /* Eliminar flecha nativa chueca */
    -webkit-appearance: none;
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f8fafc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.5rem center;
    background-size: 16px;
    padding-right: 3rem; /* Espacio para la flecha */
}

.form-group select option {
    background-color: var(--bg-surface); /* Fondo oscuro para que combine con la web */
    color: var(--text-main); /* Letra blanca */
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

/* Slider Captcha & Validation */
.slider-captcha-wrapper {
    margin: 1.5rem 0;
    position: relative;
    user-select: none;
}

.slider-captcha {
    width: 100%;
    height: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.slider-track {
    width: 100%;
    text-align: center;
    z-index: 1;
}

.slider-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.slider-handle {
    position: absolute;
    left: 5px;
    top: 5px;
    width: 50px;
    height: 50px;
    background: var(--grad-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: grab;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

.slider-handle:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.slider-handle svg {
    transition: transform 0.3s ease;
}

/* Unlocked State */
.slider-captcha.unlocked {
    border-color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.08);
    box-shadow: inset 0 0 15px rgba(34, 211, 238, 0.1);
}

.slider-captcha.unlocked .slider-handle {
    background: var(--accent-cyan);
    box-shadow: 0 0 25px rgba(34, 211, 238, 0.4);
    cursor: default;
}

.slider-captcha.unlocked .slider-handle svg {
    transform: rotate(360deg);
}

.slider-captcha.unlocked .slider-text {
    color: var(--accent-cyan);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

.btn-full:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

.mt-2 { margin-top: 2rem; }

/* Success Message */
.form-success-message {
    text-align: center;
    padding: 3rem;
    background: rgba(45, 212, 191, 0.05);
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: 24px;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-secondary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

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

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0;
    text-align: center;
    background: #000; /* Pure black for logo consistency */
}
.footer-logo.brand-logo {
    justify-content: center;
    margin-bottom: 1.5rem;
}
.footer-logo .logo-icon {
    width: 55px;
    height: 55px;
}
.footer-logo .brand-name {
    font-size: 2rem;
}
.footer-logo .brand-tagline {
    font-size: 0.95rem;
}
footer p { color: var(--text-muted); font-size: 0.9rem; }
.footer-details { margin-top: 0.5rem; opacity: 0.8; font-weight: 300; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    .product-showcase {
        gap: 3rem;
    }
}

@media (max-width: 991px) {
    .section-headers {
        margin-bottom: 3.5rem;
    }
    .product-showcase, .product-showcase.reverse {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
        padding: 2rem;
    }
    .product-info {
        max-width: 100%;
    }
    .product-features li {
        justify-content: center;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .contact-info {
        text-align: center;
    }
    .info-item {
        justify-content: center;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        padding: 2.5rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
        opacity: 0;
        visibility: hidden;
    }
    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    }
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 1.5rem;
    }
    .header-container {
        padding: 0.5rem 1.5rem;
    }
    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    .btn {
        width: 100%;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 1.5rem;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
    }
    .hero {
        padding-top: 100px;
    }
    .section-title {
        font-size: 1.85rem;
    }
    .captcha-container {
        flex-direction: column;
        text-align: center;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #25d366;
    border-radius: 50%;
    z-index: -1;
    animation: pulse-whatsapp 2s infinite;
}

@keyframes pulse-whatsapp {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    background: var(--bg-surface);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    border: 1px solid var(--border-color);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    right: 80px;
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 20px;
        right: 15px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
}