/* ===================================
   BS Soluções - Dark Premium
   Landing Page CSS
   =================================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --color-primary: #FFD700;
    --color-bg-dark: #0D0D0D;
    --color-bg-secondary: #1A1A1A;
    --color-bg-tertiary: #111111;
    --color-text-white: #FFFFFF;
    --color-text-gray: #CCCCCC;
    --color-whatsapp: #25D366;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(255, 215, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(255, 215, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(255, 215, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.3);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* === Buttons === */
.btn-primary {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition-normal);
    border: 2px solid var(--color-primary);
    cursor: pointer;
    text-align: center;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--color-text-white);
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid var(--color-text-white);
    transition: var(--transition-normal);
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
}

.btn-outline:hover {
    background: var(--color-text-white);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.2rem 3rem;
    background: var(--color-whatsapp);
    color: var(--color-text-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    border-radius: 50px;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1fb855;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 28px;
    height: 28px;
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
    padding: 0.6rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    gap: 0.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    min-width: 0;
}

.header-logo {
    height: 45px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-text-white);
    white-space: nowrap;
}

.logo-tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.75rem;
    color: var(--color-primary);
    white-space: nowrap;
}

.footer-logo {
    height: 50px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text-gray);
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-normal);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 100%);
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 15s infinite;
    box-shadow: 0 0 10px var(--color-primary);
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-text-white) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--color-text-gray);
    margin-bottom: 3rem;
    letter-spacing: 0.5px;
}

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

.animate-on-load {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-subtitle {
    animation-delay: 0.4s;
}

.hero-buttons {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(30px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    position: relative;
    opacity: 0.7;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0;
    }
}

/* === Section Styles === */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    position: relative;
    padding: 0 2rem;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--color-primary);
}

.section-tag::before {
    left: 0;
}

.section-tag::after {
    right: 0;
}

.section-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.section-description {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.1rem;
    color: var(--color-text-gray);
    max-width: 600px;
    margin: 0 auto;
}

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

/* === HVAC Section === */
.hvac-section {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-xl) 0;
}

.hvac-btn {
    margin-top: 1.5rem;
    padding: 0.8rem 2rem;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.hvac-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* === Comparador Antes/Depois === */
.antes-depois-wrapper {
    margin-top: 5rem;
}

.comparador {
    position: relative;
    width: 100%;
    max-width: 850px;
    height: 450px;
    margin: 0 auto;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    overflow: hidden;
    cursor: ew-resize;
    box-shadow: var(--shadow-lg);
}

.img-antes, .img-depois {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.img-antes {
    width: 50%;
    z-index: 2;
    border-right: 3px solid var(--color-primary);
}

.divisor-gold {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary);
    z-index: 3;
    transform: translateX(-50%);
}

.setas-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-primary);
    animation: pulseGlow 2s infinite;
}

.setas-pulse::before {
    content: '↔';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-bg-dark);
    font-weight: bold;
    font-size: 1.2rem;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 15px var(--color-primary);
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        box-shadow: 0 0 25px var(--color-primary);
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.legenda-comparacao {
    text-align: center;
    color: var(--color-text-gray);
    margin-top: 1rem;
    font-size: 0.9rem;
    font-style: italic;
}

/* === Portfolio Section === */
.portfolio-section {
    position: relative;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.overlay-escuro {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.relative {
    position: relative;
}

.z-index-2 {
    z-index: 2;
}

.grid-portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-md);
}

.item-portfolio {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--color-bg-secondary);
}

.item-portfolio img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.4s ease;
    filter: grayscale(30%);
}

.moldura-gold {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 2px solid var(--color-primary);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 3;
    pointer-events: none;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: var(--color-text-white);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition-normal);
    z-index: 2;
}

.portfolio-overlay h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

.item-portfolio:hover img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.item-portfolio:hover .moldura-gold {
    opacity: 1;
}

.item-portfolio:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-cta {
    text-align: center;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    padding-top: 3rem;
    margin-top: 4rem;
}

.text-secondary-gold {
    font-family: var(--font-body);
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    letter-spacing: 1px;
    font-weight: 300;
}

.botoes-cta-wrapper {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    color: var(--color-text-gray);
    border: 2px solid #444;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-normal);
    font-size: 0.95rem;
}

.btn-instagram:hover {
    border-color: #c13584;
    color: var(--color-text-white);
    background: rgba(193, 53, 132, 0.1);
    transform: translateY(-2px);
}

.btn-instagram i {
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-md);
}

.service-card {
    background: var(--color-bg-secondary);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 2px solid transparent;
    transition: var(--transition-normal);
    cursor: pointer;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.service-description {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    color: var(--color-text-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--color-text-gray);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* === Differentials Section === */
.differentials {
    background: var(--color-bg-tertiary);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: var(--spacing-md);
}

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

.differential-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: grayscale(100%) brightness(1.5);
}

.differential-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.differential-description {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.05rem;
    color: var(--color-text-gray);
    line-height: 1.7;
}

/* === Stats Section === */
.stats {
    background: var(--color-bg-dark);
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.stat-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-number::after {
    content: '+';
    margin-left: 0.2rem;
}

.stat-item:nth-child(4) .stat-number::after {
    content: '%';
}

.stat-label {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--color-text-gray);
}

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

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 3rem;
    background: var(--color-bg-secondary);
    border-radius: 20px;
    border: 2px solid rgba(255, 215, 0, 0.1);
}

.testimonial-stars {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    letter-spacing: 4px;
}

.testimonial-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.2rem;
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-white);
}

.author-role {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background: var(--color-primary);
    transform: scale(1.3);
}

/* === CTA Final Section === */
.cta-final {
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-dark) 100%);
    padding: var(--spacing-xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-text-white);
    margin-bottom: 1.5rem;
}

.cta-description {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.2rem;
    color: var(--color-text-gray);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.cta-response-time {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-primary);
    margin-top: 1.5rem;
}

/* === Footer === */
.footer {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-slogan {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    color: var(--color-text-gray);
    font-style: italic;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text-gray);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-contact li {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text-gray);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--color-bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.social-links a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.social-links svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-white);
}

.social-links a:hover svg {
    color: var(--color-bg-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer-bottom p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

/* === WhatsApp Float Button === */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    color: var(--color-text-white);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* === Animations === */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    .header-logo {
        height: 40px;
    }
    
    .footer-logo {
        height: 45px;
    }
    
    .logo-name {
        font-size: 1rem;
    }
    
    .logo-tagline {
        font-size: 0.7rem;
    }
    
    .hamburger {
        display: flex;
        min-width: 40px;
        min-height: 40px;
    }
    
    .hamburger span {
        width: 20px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        align-items: flex-start;
        transition: right 0.4s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-cta-wrapper {
        display: none;
        margin-top: 2rem;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    .mobile-cta {
        width: 100%;
        justify-content: center;
        gap: 0.5rem;
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn-large {
        width: 100%;
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparador {
        height: 300px;
        max-width: 100%;
    }
    
    .setas-pulse {
        width: 35px;
        height: 35px;
    }
    
    .setas-pulse::before {
        font-size: 1rem;
    }
    
    .grid-portfolio {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .item-portfolio img {
        height: 250px;
    }
    
    .testimonial-card {
        padding: 2rem 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
        gap: 0.25rem;
    }
    
    .header-logo {
        height: 35px;
    }
    
    .footer-logo {
        height: 40px;
    }
    
    .logo-name {
        font-size: 0.9rem;
    }
    
    .logo-tagline {
        font-size: 0.65rem;
    }
    
    /* Mostrar CTA dentro do menu mobile */
    .mobile-cta-wrapper {
        display: block;
    }
    
    .hamburger {
        min-width: 44px;
        min-height: 44px;
        padding: 0.75rem;
    }
    
    .hamburger span {
        width: 18px;
    }
    
    .navbar {
        padding: 0.8rem 0;
    }
    
    .navbar.scrolled {
        padding: 0.6rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo-name {
        font-size: 1.1rem;
    }
    
    .logo-tagline {
        font-size: 0.75rem;
    }
    
    .section-tag {
        font-size: 0.8rem;
        padding: 0 1.5rem;
    }
    
    .section-tag::before,
    .section-tag::after {
        width: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .comparador {
        height: 250px;
    }
    
    .setas-pulse {
        width: 30px;
        height: 30px;
    }
    
    .setas-pulse::before {
        font-size: 0.9rem;
    }
    
    .grid-portfolio {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .item-portfolio img {
        height: 200px;
    }
    
    .botoes-cta-wrapper {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-instagram,
    .portfolio-cta .btn-primary {
        width: 100%;
        justify-content: center;
    }
    
    .btn-whatsapp {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
}

/* === Print Styles === */
@media print {
    .navbar,
    .whatsapp-float,
    .hamburger {
        display: none;
    }
}