:root {
    /* Cores */
    --primary: #D4AF37;
    --primary-hover: #B8962D;
    --bg-dark: #0A0A0A;
    --bg-card: #141414;
    --text-light: #F5F5F5;
    --text-muted: #A0A0A0;
    --accent: #FFD700;

    /* Espaçamentos */
    --section-padding: 100px 20px;
    --container-max-width: 1100px;

    /* Fontes */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

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

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 1px;
}

h2, h3 {
    text-transform: uppercase;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
}

/* ============================================================
   HEADER
============================================================ */
header {
    padding: 20px;
    display: flex;
    justify-content: center;
    position: absolute;
    width: 100%;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 44px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-heading);
}

/* ============================================================
   HERO
============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--section-padding);
    background:
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.15) 0%, rgba(0, 0, 0, 0) 40%),
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0) 40%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    opacity: 0.1;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.8rem;
    line-height: 1.15;
    margin-bottom: 20px;
    text-transform: none;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 500px;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    filter: drop-shadow(0 0 30px rgba(212, 175, 55, 0.25));
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.trust-badge {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}

/* ============================================================
   BUTTONS
============================================================ */
.cta-button {
    display: inline-block;
    background-color: var(--primary);
    color: #000;
    padding: 18px 36px;
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
    letter-spacing: 0.5px;
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.45);
}

.cta-button--large {
    font-size: 1.1rem;
    padding: 22px 44px;
    display: block;
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
}

/* ============================================================
   SECTION SHARED
============================================================ */
.section-title {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 60px;
}

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

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: -40px;
    margin-bottom: 60px;
}

/* ============================================================
   BENEFITS
============================================================ */
.benefits {
    padding: var(--section-padding);
    background-color: var(--bg-card);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.benefit-card {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 36px 28px;
    border-radius: 14px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.benefit-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: block;
    line-height: 1;
}

.benefit-card h3 {
    margin-bottom: 12px;
    font-size: 1.15rem;
    color: var(--text-light);
}

.benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================================
   HOW IT WORKS
============================================================ */
.how-it-works {
    padding: var(--section-padding);
    background-color: var(--bg-dark);
}

/* Video embed */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.25);
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.1);
    margin-bottom: 60px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.step-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 14px;
    padding: 36px 28px;
    max-width: 280px;
    flex: 1 1 220px;
    text-align: center;
    transition: border-color 0.3s ease;
}

.step-card:hover {
    border-color: var(--primary);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.85;
}

.step-body h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-light);
}

.step-body p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), rgba(212, 175, 55, 0.2));
    align-self: center;
    flex-shrink: 0;
    margin: 0 -4px;
}

/* ============================================================
   TESTIMONIALS
============================================================ */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--bg-card);
}

/* Rating badge */
.rating-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: -36px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.rating-badge .stars {
    color: var(--accent);
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.rating-badge .rating-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.testimonial-card {
    padding: 28px;
    background-color: rgba(255, 255, 255, 0.02);
    border-left: 4px solid var(--primary);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stars-row {
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-light);
    font-size: 0.97rem;
    line-height: 1.65;
    flex: 1;
}

.testimonial-author {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.9rem;
}

/* ============================================================
   SPECIFICATIONS
============================================================ */
.specs {
    padding: var(--section-padding);
    background-color: var(--bg-dark);
}

.specs-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.specs-image img {
    width: 100%;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.specs-list {
    list-style: none;
}

.specs-list li {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.95rem;
}

.specs-list li span:first-child {
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}

.specs-list li span:last-child {
    color: var(--text-light);
    text-align: right;
}

.specs-battery-img {
    margin-top: 28px;
}

.specs-battery-img img {
    max-width: 200px;
    border-radius: 10px;
}

/* ============================================================
   GUARANTEE
============================================================ */
.guarantee {
    padding: var(--section-padding);
    background-color: var(--bg-card);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.guarantee-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.3s ease;
}

.guarantee-item:hover {
    border-color: var(--primary);
}

.guarantee-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.guarantee-item h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text-light);
}

.guarantee-item p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.whatsapp-link {
    color: #25D366;
    text-decoration: none;
    font-weight: 700;
}

.whatsapp-link:hover {
    text-decoration: underline;
}

/* ============================================================
   FAQ
============================================================ */
.faq {
    padding: var(--section-padding);
    background-color: var(--bg-dark);
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item[open] {
    border-color: var(--primary);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light);
    list-style: none;
    gap: 12px;
    user-select: none;
    transition: color 0.3s ease;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 400;
    flex-shrink: 0;
    line-height: 1;
    transition: transform 0.3s ease;
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px 20px;
}

.faq-answer p {
    color: var(--text-muted);
    font-size: 0.97rem;
    line-height: 1.7;
}

/* ============================================================
   OFFER
============================================================ */
.offer {
    padding: var(--section-padding);
    background-color: var(--bg-card);
    text-align: center;
}

.offer-card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    padding: 60px 40px;
    border-radius: 20px;
    border: 2px solid var(--primary);
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
}

.offer-description {
    margin-bottom: 28px;
    color: var(--text-muted);
    font-size: 1rem;
}

.old-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 1.3rem;
    display: block;
    margin-bottom: 4px;
}

.price {
    font-size: 3.6rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-heading);
    line-height: 1;
    margin: 8px 0 12px;
}

.price .price-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.installment-text {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 28px;
}

.installment-text strong {
    color: var(--text-light);
}

/* Personalization upsell */
.personalization-upsell {
    background: rgba(212, 175, 55, 0.08);
    border: 1px dashed rgba(212, 175, 55, 0.4);
    border-radius: 8px;
    padding: 14px 20px;
    margin-bottom: 32px;
    text-align: center;
}

.upsell-badge {
    display: inline-block;
    background: var(--primary);
    color: #000;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.personalization-upsell p {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.personalization-upsell strong {
    color: var(--primary);
}

/* Offer trust strip */
.offer-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.offer-trust span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================================
   CLOSING CTA
============================================================ */
.closing-cta {
    padding: var(--section-padding);
    background:
        radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.12) 0%, rgba(0, 0, 0, 0) 65%),
        var(--bg-dark);
    text-align: center;
}

.closing-cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.closing-cta h2 {
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: none;
}

.closing-cta p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

/* ============================================================
   FOOTER
============================================================ */
footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 2;
}

footer a {
    color: var(--text-muted);
}

/* ============================================================
   ANIMATIONS (AOS-like)
============================================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].appear {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ============================================================
   MOBILE RESPONSIVENESS
============================================================ */
@media (max-width: 968px) {
    :root {
        --section-padding: 70px 20px;
    }

    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text p {
        margin: 0 auto 32px;
    }

    .hero {
        padding-top: 120px;
    }

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

    /* Specs */
    .specs-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .specs-list li span:last-child {
        text-align: right;
    }

    .specs-battery-img {
        display: flex;
        justify-content: center;
    }

    /* Steps */
    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        background: linear-gradient(180deg, var(--primary), rgba(212, 175, 55, 0.2));
        margin: 0;
    }

    .step-card {
        max-width: 100%;
        width: 100%;
    }

    /* Offer */
    .offer-card {
        padding: 40px 24px;
    }

    .price {
        font-size: 2.8rem;
    }

    /* Closing CTA */
    .closing-cta h2 {
        font-size: 1.8rem;
    }

    /* Section titles */
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.7rem;
    }

    .cta-button--large {
        padding: 18px 28px;
        font-size: 0.95rem;
    }

    .price {
        font-size: 2.4rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .closing-cta h2 {
        font-size: 1.5rem;
    }

    .trust-badge {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
}

/* ============================================================
   VÍDEOS VERTICAIS
============================================================ */
.vertical-videos {
    padding: var(--section-padding);
    background-color: var(--bg-card);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.video-vertical {
    width: 100%;
    aspect-ratio: 9/16;
    min-height: 450px;
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    transition: transform 0.3s ease;
    background-color: #000;
}

.video-vertical:hover {
    transform: scale(1.02);
    border-color: var(--primary);
}

@media (max-width: 1024px) {
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 600px) {
    .videos-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
}

/* Offer Image */
.offer-product-img {
    max-width: 400px;
    width: 100%;
    margin: 20px auto;
    display: block;
    border-radius: 12px;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
}