/* CSS Reset and Variables */
:root {
    --primary-color: #2e3190;
    --primary-light: #4448c5;
    --primary-dark: #1f2163;
    --secondary-color: #45b7e5;
    --secondary-light: #70c9eb;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: #25D366; /* WhatsApp Green */
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
    background-color: #1ebc5a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-secondary {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(46, 49, 144, 0.2);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 49, 144, 0.3);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--box-shadow);
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
    position: relative;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f0f8fb 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(69, 183, 229, 0.1) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(69, 183, 229, 0.1);
    color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.2rem;
    line-height: 1.2;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-trust {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-trust i {
    color: var(--secondary-color);
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Brands Section */
.brands {
    background-color: var(--bg-light);
    padding: 40px 0;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.brands-container p {
    text-align: center;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 20px;
}

.brands-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.brands-logos img {
    height: 40px;
    max-width: 150px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: var(--transition);
}

.brands-logos img.philco-logo {
    height: 25px;
}

.brands-logos img.samsung-logo {
    height: 25px;
}

.brands-logos img:hover {
    filter: grayscale(0%) opacity(1);
}

/* Services */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(69, 183, 229, 0.1);
    color: var(--secondary-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--secondary-color);
    color: white;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

/* Differentials */
.differentials {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.differentials-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.differentials-image {
    flex: 1;
}

.differentials-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.differentials-content {
    flex: 1;
}

.features-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(46, 49, 144, 0.2);
}

.feature-text h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

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

/* About */
.about {
    padding: 100px 0;
}

.about-text {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 20px;
}

/* FAQ */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 25px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Outfit', sans-serif;
}

.faq-question i {
    color: var(--secondary-color);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 25px;
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* Footer CTA */
.footer-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 80px 0;
    color: white;
}

.footer-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.footer-cta p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: #aaaaaa;
}

.footer h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--secondary-color);
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #aaaaaa;
    transition: var(--transition);
}

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

.footer-contact p {
    color: #aaaaaa;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-contact i {
    color: var(--secondary-color);
}

.footer-bottom {
    background-color: #111;
    padding: 20px 0;
    text-align: center;
    color: #777;
}

.footer-bottom-flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

@media (min-width: 768px) {
    .footer-bottom-flex {
        flex-direction: row;
        justify-content: space-between;
    }
}

.agency-credit {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.agency-credit a {
    display: flex;
    align-items: center;
}

.madder-logo {
    height: 18px;
    opacity: 0.7;
    transition: var(--transition);
    /* In caso o logo seja escuro, aplica-se o filtro abaixo. Se já for branco, remova o brightness e invert */
    filter: brightness(0) invert(1);
}

.madder-logo:hover {
    opacity: 1;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #1ebc5a;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container, .differentials-container, .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-trust {
        justify-content: center;
    }

    .features-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-contact p {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        font-size: 1.2rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-cta .btn-primary {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }
}