/* --- Variáveis e Reset Geral --- */
:root {
    --primary-color: #00c853;
    --primary-hover: #009624;
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --text-color: #ffffff;
    --text-muted: #aaaaaa;
    --accent-color: #ffb300;
}

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

html {
    scroll-behavior: smooth;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

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

/* --- Header --- */
.header {
    background-color: var(--card-bg);
    border-bottom: 1px solid #2d2d2d;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
}

.logo span {
    color: var(--primary-color);
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* --- Hero Section --- */
.hero {
    padding: 64px 0;
    background: linear-gradient(180deg, #1e1e1e 0%, #121212 100%);
}

.hero .container {
    max-width: 900px;
}

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

.hero-eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 6px 14px;
    border: 1px solid var(--primary-color);
    border-radius: 999px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 700;
}

.hero h2 {
    font-size: 48px;
    line-height: 1.1;
    margin-bottom: 18px;
}

.hero h2 span {
    color: var(--primary-color);
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 24px;
    max-width: 680px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid #555;
    border-radius: 5px;
    color: var(--text-color);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s, border-color 0.3s;
}

.btn-secondary:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
}

/* --- Como funciona --- */
.steps-section {
    padding: 0 0 56px;
}

.steps-section .section-title {
    margin-bottom: 32px;
    font-size: 30px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.step-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 225px;
    padding: 22px 18px;
    border: 1px solid #2d2d2d;
    border-radius: 16px;
    background: linear-gradient(145deg, #1b1b1b, #151515);
    text-align: center;
}

.step-number {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(145deg, #f3234c, #a80835);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}

.step-icon {
    margin: 12px 0 4px;
    font-size: 28px;
}

.step-card h4 {
    margin-bottom: 8px;
    font-size: 18px;
}

.step-card p {
    color: var(--text-muted);
    font-size: 14px;
}

.step-card-highlight {
    border-color: #a80835;
}

/* --- Seção Comum --- */
.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

/* --- Planos Grid --- */
.planos-section {
    padding: 60px 0;
}

.planos-section .section-title {
    margin-bottom: 12px;
    font-size: 38px;
    font-weight: 800;
}

.planos-description {
    max-width: 650px;
    margin: 0 auto 40px;
    color: var(--text-muted);
    text-align: center;
    font-size: 16px;
    line-height: 1.5;
}

.activation-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 48px;
    margin-top: 42px;
    padding: 40px;
    border-radius: 12px;
    background-color: #0d3b70;
}

.activation-image img {
    display: block;
    width: 100%;
    height: auto;
}

.activation-eyebrow {
    margin-bottom: 12px;
    color: #36e69a;
    font-weight: 700;
}

.activation-content h3 {
    margin-bottom: 18px;
    font-size: clamp(28px, 3vw, 40px);
    line-height: 1.15;
}

.activation-content h3 span {
    color: #91c7ff;
}

.activation-content > p:not(.activation-eyebrow) {
    margin-bottom: 14px;
    color: #f1f5fb;
    line-height: 1.7;
}

.activation-notice {
    margin-top: 18px;
    padding: 14px 16px;
    border-left: 3px solid #91c7ff;
    border-radius: 0 8px 8px 0;
    background-color: rgb(255 255 255 / 10%);
}

.tutorials-section {
    padding-top: 56px;
}

.tutorials-heading {
    margin-bottom: 28px;
    text-align: center;
}

.tutorials-heading h3 {
    margin-bottom: 8px;
    font-size: 30px;
}

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

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}

.tutorial-card {
    display: flex;
    width: 100%;
    min-height: 200px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #2d2d2d;
    border-radius: 12px;
    background-color: var(--card-bg);
    padding: 20px;
    color: var(--text-color);
    font: inherit;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, background-color 0.2s;
}

.tutorial-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    background-color: #252525;
}

.tutorial-card:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: -3px;
}

.tutorial-card img {
    width: 112px;
    height: 112px;
    margin-bottom: 12px;
    object-fit: contain;
}

.tutorial-title {
    font-size: 17px;
    font-weight: 700;
}

.tutorial-prompt {
    margin-top: 8px;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
}

.tutorial-dialog {
    width: min(560px, calc(100% - 32px));
    max-height: min(80vh, 700px);
    margin: auto;
    padding: 28px;
    overflow-y: auto;
    border: 1px solid #3b4a5b;
    border-radius: 14px;
    background-color: var(--card-bg);
    color: var(--text-color);
    box-shadow: 0 20px 60px rgb(0 0 0 / 45%);
}

.tutorial-dialog::backdrop {
    background-color: rgb(0 0 0 / 72%);
    backdrop-filter: blur(3px);
}

.tutorial-dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.tutorial-dialog-header h4 {
    font-size: 24px;
    line-height: 1.25;
}

.tutorial-dialog-close {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background-color: #333;
    color: var(--text-color);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
}

.tutorial-dialog-close:hover {
    background-color: var(--primary-hover);
}

.tutorial-dialog-close:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.tutorial-dialog ol {
    padding-left: 24px;
    color: #ddd;
    font-size: 15px;
}

.tutorial-dialog li {
    padding: 6px 0;
}

.tutorial-dialog a {
    color: #8fc8ff;
    overflow-wrap: anywhere;
}

.tutorial-warning {
    margin: 0 16px 18px;
    padding: 10px 12px;
    border-left: 3px solid var(--accent-color);
    background-color: rgb(255 179 0 / 10%);
    color: #eee;
    font-size: 13px;
}

.planos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.plano-card {
    background-color: var(--card-bg);
    border: 1px solid #2d2d2d;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.plano-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.plano-card.destaque {
    border: 2px solid var(--primary-color);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: #fff;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 20px;
    text-transform: uppercase;
}

.plano-card h4 {
    font-size: 22px;
    margin-bottom: 15px;
}

.plano-logo {
    display: block;
    width: 100%;
    max-width: 180px;
    height: 90px;
    object-fit: contain;
    margin: 0 auto 16px;
    border-radius: 6px;
}

.preco {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.detalhe {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.plano-descricao {
    min-height: 44px;
    margin: -8px 0 12px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
}

.recursos {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
    padding-left: 10px;
}

.recursos li {
    margin-bottom: 10px;
    font-size: 15px;
    color: #ddd;
}

.recursos li::before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: bold;
}

.btn-comprar {
    display: block;
    width: 100%;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-comprar:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-comprar:focus-visible,
.whatsapp-support:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

.whatsapp-support {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1100;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background-color: #25d366;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 14px rgb(0 0 0 / 35%);
    transition: background-color 0.2s, transform 0.2s;
}

.whatsapp-support:hover {
    background-color: #1da851;
    transform: translateY(-2px);
}

.whatsapp-support svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* --- Avaliações --- */
.reviews-section {
    background-color: #1a1a1a;
    padding: 60px 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.review-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.stars {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.review-text {
    font-style: italic;
    color: #ddd;
    margin-bottom: 10px;
}

.review-author {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-muted);
}

/* --- Informações sobre a UniTV --- */
.unitv-info-section {
    padding: 64px 0;
    background: radial-gradient(ellipse at top, #191919 0%, #101010 70%);
}

.unitv-info-heading {
    max-width: 720px;
    margin: 0 auto 42px;
    text-align: center;
}

.unitv-info-heading h2 {
    margin-bottom: 8px;
    font-size: 36px;
}

.unitv-info-heading p {
    color: var(--text-muted);
    font-size: 16px;
}

.unitv-info-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
}

.unitv-info-copy p {
    margin-bottom: 16px;
    color: #d7dce3;
    font-size: 17px;
    line-height: 1.7;
}

.unitv-info-copy a:not(.unitv-info-link) {
    color: #8fc8ff;
}

.unitv-info-link {
    display: inline-block;
    margin-top: 4px;
    color: #ff345a;
    font-weight: 700;
    text-decoration: none;
}

.unitv-info-link:hover {
    color: #ff6682;
}

.unitv-info-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.unitv-stat {
    display: flex;
    min-height: 112px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px;
    border: 1px solid #343434;
    border-radius: 16px;
    background: linear-gradient(145deg, #1b1b1b, #151515);
    text-align: center;
}

.unitv-stat strong {
    margin-bottom: 2px;
    color: #fff;
    font-size: 32px;
    line-height: 1.1;
}

.unitv-stat:nth-child(2) strong {
    color: #d04da4;
}

.unitv-stat span {
    color: var(--text-muted);
    font-size: 14px;
}

.unitv-info-note {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 12px;
    text-align: right;
}

/* --- FAQ Acordeão --- */
.faq-section {
    padding: 60px 0;
}

.faq-item {
    background-color: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-color);
    text-align: left;
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: "+";
    font-size: 24px;
    color: var(--primary-color);
}

.faq-item.active .faq-question::after {
    content: "−";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 20px;
}

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

/* --- Footer --- */
.footer {
    background: linear-gradient(110deg, #171717, #101010);
    padding: 30px 0 24px;
    border-top: 1px solid #2d2d2d;
    font-size: 14px;
    color: var(--text-muted);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    padding: 8px 0 28px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    color: var(--text-color);
    font-weight: 700;
    text-decoration: none;
}

.footer-brand img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-cta {
    justify-self: end;
    padding: 10px 20px;
    border-radius: 999px;
    background: linear-gradient(110deg, #ef1745, #a9083d);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 6px 18px rgb(196 13 60 / 22%);
    transition: transform 0.2s, filter 0.2s;
}

.footer-cta:hover {
    transform: translateY(-2px);
    filter: brightness(1.12);
}

.footer-bottom {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 24px;
    align-items: center;
    padding-top: 22px;
    border-top: 1px solid #292929;
    color: #858585;
    font-size: 13px;
}

.disclaimer {
    margin: 0;
    font-size: inherit;
    text-align: right;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    nav a {
        margin: 0 10px;
    }
    .hero h2 {
        font-size: 30px;
    }
    .hero {
        padding: 48px 0;
    }
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .unitv-info-content {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .unitv-info-heading h2 {
        font-size: 30px;
    }
    .activation-panel {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
        padding: 24px;
    }
    .tutorials-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .activation-image {
        max-width: 480px;
        margin: 0 auto;
    }
    .planos-section .section-title {
        font-size: 30px;
    }
    .reviews-grid {
        display: flex;
        gap: 16px;
        overflow-x: auto;
        padding: 0 5% 12px;
        margin: 0 -5%;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .reviews-grid::-webkit-scrollbar {
        display: none;
    }
    .review-card {
        flex: 0 0 88%;
        scroll-snap-align: center;
    }
    .footer-main {
        grid-template-columns: 1fr auto;
        gap: 18px;
    }
    .footer-nav {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: flex-start;
        gap: 16px;
    }
    .footer-cta {
        grid-column: 2;
        grid-row: 1;
    }
    .footer-bottom {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .disclaimer {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .unitv-info-section {
        padding: 48px 0;
    }
    .unitv-info-stats {
        gap: 10px;
    }
    .unitv-stat {
        min-height: 100px;
        padding: 12px;
    }
    .unitv-stat strong {
        font-size: 26px;
    }
    .unitv-stat span {
        font-size: 12px;
    }
    .unitv-info-note {
        text-align: left;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .steps-section .section-title {
        font-size: 26px;
    }

    .tutorials-grid {
        grid-template-columns: 1fr;
    }

    .tutorial-card {
        min-height: 180px;
    }
}