:root {
    --bg-dark: #121212; /* Fundo principal escuro */
    --bg-light: #1f1f1f; /* Fundo secundário para seções */
    --primary-color: #00e676; /* Verde neon vibrante (Starlink-like) */
    --accent-color: #64ffda; /* Aqua claro para detalhes e hover */
    --text-color: #e0e0e0; /* Cinza claro para texto */
    --heading-color: #ffffff; /* Branco para títulos */
    --border-radius: 12px;
    --box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    --transition-speed: 0.4s;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Header --- */
header {
    background-color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    margin-top: 1rem;
}

nav ul li {
    margin: 0.5rem 1rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-speed);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -8px;
    left: 0;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform var(--transition-speed) ease-out;
}

nav ul li a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* --- Hero Section --- */
.hero-section {
    background-color: var(--bg-dark);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.hero-content {
    text-align: center;
    max-width: 100%;
    z-index: 10;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--heading-color);
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 300;
}

.highlight-personalization {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    background-color: var(--bg-light);
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    display: inline-block;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--primary-color);
}

.download-buttons {
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.download-buttons a {
    display: block;
    width: 100%;
    max-width: 250px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid transparent;
    text-align: center;
}

.download-buttons a:hover {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
}

.download-buttons i {
    margin-right: 0.7rem;
}

.demo-credentials {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    max-width: 100%;
    margin-top: 2rem;
    border-left: 6px solid var(--primary-color);
    text-align: left;
}

.demo-credentials h4 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.demo-credentials p {
    margin: 0.4rem 0;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.demo-credentials p strong {
    color: var(--primary-color);
    margin-left: 0.5rem;
}

.hero-image-container {
    max-width: 80%;
    position: relative;
    z-index: 10;
}

.hero-image {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed) ease-in-out;
}

/* --- Features Section --- */
.features-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.features-section h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--heading-color);
}

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

.feature-card {
    background-color: var(--bg-dark);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

.feature-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    background-color: #333;
    padding: 8px;
}

.feature-card h3 {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.3rem;
    margin-top: 0;
}

/* --- Seção de Planos (Pricing Section) --- */
.pricing-section {
    background-color: var(--bg-dark);
    padding: 5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-section h2 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--heading-color);
}

.swiper {
    width: 100%;
    height: 100%;
    padding: 1rem;
}

.swiper-wrapper {
    display: flex;
    align-items: stretch; /* Garante que os slides tenham a mesma altura */
}

.swiper-slide {
    width: 300px;
    display: flex;
    justify-content: center;
}

.pricing-card {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 2px solid transparent;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
    text-align: center; 
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.pricing-card.highlighted {
    background-color: var(--primary-color);
    color: #000;
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-color);
}

.pricing-card.highlighted h3, .pricing-card.highlighted .price, .pricing-card.highlighted .subtitle {
    color: #000;
}

.pricing-card.highlighted .btn-plan {
    background-color: var(--bg-dark);
    color: var(--primary-color);
}

.pricing-card.highlighted .btn-plan:hover {
    background-color: #fff;
    color: var(--bg-dark);
}

.pricing-card.custom-plan {
    background-color: #2c2c2c;
    border-color: var(--primary-color);
}

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

.card-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
}

.card-header .price {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.card-header .subtitle {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 2rem;
    text-align: center;
    flex-grow: 1; /* Permite que a lista se estique para preencher o espaço restante */
}

.features-list li {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 400;
}

.features-list li i {
    margin-right: 0.8rem;
    color: var(--primary-color);
}

.features-list li.plus-feature {
    color: var(--accent-color);
    font-weight: 500;
    margin-top: 1rem;
}

.btn-plan {
    display: inline-block;
    width: 100%;
    max-width: 250px;
    background-color: var(--primary-color);
    color: #000;
    padding: 1rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s ease;
    border: 1px solid transparent;
    text-align: center;
    margin-top: auto;
}

.btn-plan:hover {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.swiper-button-prev, .swiper-button-next {
    color: var(--primary-color);
    --swiper-navigation-size: 30px;
}

.swiper-button-prev:hover, .swiper-button-next:hover {
    color: var(--accent-color);
}

/* --- About Section --- */
.about-section {
    background-color: var(--bg-dark);
    padding: 5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.about-content {
    flex: 1;
    text-align: center;
}

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.about-image-container {
    flex: 1;
    text-align: center;
    max-width: 80%;
}

.about-image-container img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed) ease;
}

/* --- WhatsApp Button --- */
.whatsapp-button {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 8px 15px rgba(0,0,0,0.5);
    transition: transform var(--transition-speed) ease;
    z-index: 1000;
}

.whatsapp-button:hover {
    transform: scale(1.1);
}

/* --- Footer --- */
footer {
    background-color: var(--bg-light);
    color: #e0e0e0;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* --- Media Queries para Telas Maiores (tablet e desktop) --- */
@media (min-width: 768px) {
    header .container {
        flex-wrap: nowrap;
    }

    nav ul {
        width: auto;
        margin-top: 0;
    }

    .hero-section .container,
    .about-section .container {
        flex-direction: row;
        text-align: left;
        gap: 4rem;
    }

    .hero-content {
        max-width: 55%;
        text-align: left;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .hero-content p {
        font-size: 1.25rem;
    }

    .highlight-personalization {
        font-size: 1.15rem;
        padding: 1rem 1.5rem;
    }

    .download-buttons {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1.5rem;
    }

    .download-buttons a {
        display: inline-block;
        width: auto;
        padding: 1rem 2.5rem;
    }
    
    .demo-credentials {
        max-width: 400px;
    }

    .hero-image-container, .about-image-container {
        max-width: 45%;
    }

    .features-section h2, .about-content h2, .pricing-section h2 {
        font-size: 3rem;
    }

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

    .feature-card img {
        height: 200px;
    }

    .feature-card h3 {
        font-size: 1.5rem;
    }

    .about-content p {
        font-size: 1.2rem;
    }

    .whatsapp-button {
        bottom: 2rem;
        right: 2rem;
        width: 70px;
        height: 70px;
        font-size: 2.5rem;
    }

    footer {
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .hero-content h1 {
        font-size: 4rem;
    }
}