:root {
    --bg-yellow: #FFC72C; 
    --bg-yellow-light: #fffbeb; 
    --accent-black: #1c1c1c; 
    --text-dark: #1c1c1c; 
    --text-light: #ffffff; 
    --text-muted: #555555; 
    --success-green: #25D366;
    --error-red: #E74C3C;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --header-height: 5rem; 
    --glow-effect: 0 0 20px rgba(255, 199, 44, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background-color: var(--bg-yellow);
    color: var(--text-dark);
    line-height: 1.7;
}
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--text-dark); font-weight: 800; line-height: 1.2; }
a { text-decoration: none; color: var(--accent-black); font-weight: bold; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
section { padding: 5rem 0; }
.section__title { font-size: 2.8rem; text-align: center; margin-bottom: 1rem; }
.section__title .highlight, h1 .highlight { color: var(--accent-black); }
.section__subtitle { text-align: center; margin-bottom: 3.5rem; color: var(--text-muted); max-width: 700px; margin-left: auto; margin-right: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem; padding: 1rem 2rem; border-radius: 8px; font-weight: 700; font-family: var(--font-heading); transition: all 0.3s ease; cursor: pointer; border: none; font-size: 1rem; }
.btn-primary { background-color: var(--accent-black); color: var(--text-light); }
.btn-primary:hover { background-color: #333; transform: scale(1.05); box-shadow: var(--glow-effect); }
.btn-secondary { background-color: transparent; color: var(--accent-black); border: 2px solid var(--accent-black); }
.btn-secondary:hover { background-color: var(--accent-black); color: var(--text-light); }


/* HEADER */
.header { width: 100%; position: fixed; top: 0; left: 0; z-index: 1000; background: #000; transition: background-color 0.4s ease, box-shadow 0.4s ease; }
.header.scrolled { background-color: #000; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.nav { height: auto; min-height: var(--header-height); display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 1rem; }


/* LOGO STYLE */
.logo-img {
    max-height: 75px; 
}

.nav__list { display: flex; gap: 2.5rem; }
.nav__link { color: var(--text-light); font-weight: 600; transition: color 0.3s; position: relative; }
.nav__link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background-color: var(--bg-yellow); transition: width 0.3s ease; }
.nav__link:hover { color: var(--bg-yellow); }
.nav__link:hover::after { width: 100%; }
.nav__toggle { font-size: 1.8rem; cursor: pointer; display: none; color: var(--text-light); }
.cta-whatsapp-header { padding: 0.7rem 1.5rem; background-color: var(--bg-yellow); color: var(--accent-black); }
.cta-whatsapp-header:hover { background-color: #ffd45a; }


/* HERO */
.hero { padding: calc(var(--header-height) + 4rem) 0 4rem; display: flex; align-items: center; }
.hero__container { 
    display: grid; 
    grid-template-columns: 1.2fr 0.8fr; 
    align-items: center; 
    gap: 4rem; 
}
.trust-badge { display: inline-flex; align-items: center; gap: 0.5rem; background-color: rgba(0, 0, 0, 0.05); padding: 0.5rem 1rem; border-radius: 20px; color: var(--text-dark); font-size: 0.9rem; margin-bottom: 1.5rem; border: 1px solid rgba(0,0,0,0.1); }
.hero__title { font-size: 3.5rem; }
.hero__subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 2.5rem; max-width: 500px; }
.btn-hero { 
    font-size: 1.2rem;
    animation: vibrantPulse 2s infinite;
    color: var(--accent-black); 
    border: 2px solid var(--accent-black);
    background-color: var(--bg-yellow);
}

.hero__image-slider { 
    position: relative; 
    width: 100%; 
    aspect-ratio: 1/1; 
    border-radius: 15px; 
    overflow: hidden; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.2); 
    border: 4px solid #D4A100; 
}

.hero__slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
.hero__slide.active { opacity: 1; }


.benefits { background-color: #fff; }
.benefits__container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.benefit__item { text-align: center; padding: 2rem; }
.benefit__item .iconify { font-size: 3.5rem; color: var(--accent-black); margin-bottom: 1rem; }
.benefit__item h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.benefit__item p { color: var(--text-muted); font-size: 0.9rem; }


.promotions { background-color: var(--bg-yellow-light); }
.promotions__grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }

.product-card {
    display: flex;
    align-items: flex-start; 
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.08);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.product-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.15); }
.product-card:nth-child(even) { flex-direction: row-reverse; }

.product-card__image-wrapper {
    flex: 1 1 40%; 
    max-width: 400px; 
    padding: 1rem;
    position: relative;
}
.product-card__image-wrapper img {
    width: 100%;
    height: auto; 
    object-fit: contain; 
}

.product-card__badge { position: absolute; top: 1.5rem; left: 1.5rem; padding: 0.4rem 1.2rem; font-size: 0.8rem; font-weight: 700; border-radius: 4px; z-index: 2; }
.product-card:nth-child(even) .product-card__badge { left: auto; right: 1.5rem; }
.badge-best-seller, .badge-economic { color: var(--text-light); }
.badge-best-seller { background: var(--accent-black); }
.badge-economic { background: var(--success-green); }
.product-card__content { display: flex; flex-direction: column; justify-content: center; padding: 2rem 2.5rem; flex-grow: 1; min-height: 100%; }
.product-card__info h3 { font-size: 1.6rem; margin-bottom: 0.75rem; }
.product-card__info p { color: var(--text-muted); font-size: 0.95rem; }
.product-card__action { margin-top: 1.5rem; border-top: 1px solid rgba(0,0,0,0.1); padding-top: 1.5rem; }
.product-card__pricing .price-option-promo { font-size: 2.2rem; color: var(--accent-black); }
.product-card__pricing .price-option-promo span { display: block; font-size: 0.9rem; color: var(--text-muted); }
.product-card__pricing .price-option { font-size: 0.9rem; color: var(--text-muted); margin-top: 0.25rem; margin-bottom: 1.5rem; }
.product-card .cta { width: 100%; padding: 0.9rem 1rem; background-color: var(--accent-black); color: var(--bg-yellow); }
.product-card .cta:hover { background-color: #333; color: #fff; }


.maintenance { background-color: #fff; }
.maintenance .section__title, .maintenance .section__subtitle { color: var(--text-dark); }
.maintenance__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.maintenance__card { background: var(--bg-yellow-light); padding: 2.5rem; border-radius: 12px; text-align: center; border: 1px solid rgba(0,0,0,0.1); }
.maintenance__card .iconify { font-size: 3.5rem; color: var(--accent-black); margin-bottom: 1rem; }
.maintenance__card h3 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--accent-black); }
.maintenance__card p { color: var(--text-muted); }
.maintenance__cta { text-align: center; }
.maintenance .btn-secondary { border-color: var(--accent-black); color: var(--accent-black); }
.maintenance .btn-secondary:hover { background-color: var(--accent-black); color: var(--text-light); }


.vantagens {
    background-color: var(--accent-black);
}
.vantagens .section__title, .vantagens .section__subtitle {
    color: var(--text-light);
}
.vantagens__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.vantagem__card {
    background: #2a2a2a;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--bg-yellow);
    box-shadow: 0 0 25px rgba(255, 199, 44, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.vantagem__card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 0 35px rgba(255, 199, 44, 0.4);
}
.vantagem__card .iconify {
    font-size: 3.5rem;
    color: var(--bg-yellow);
    margin-bottom: 1rem;
}
.vantagem__card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--bg-yellow);
}
.vantagem__card p {
    color: rgba(255, 255, 255, 0.8);
}

.social-proof { background: #fff; border-top: 1px solid #eee; border-bottom: 1px solid #eee; }
.social-proof__container { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; gap: 2rem; }
.social-proof h3, .social-proof p { color: var(--accent-black); }
.counter-stat h3 { font-size: 3.5rem; }
.counter-stat p { font-size: 1.1rem; opacity: 0.8; }


/* FINAL CTA */
.final-cta { text-align: center; }
.final-cta h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.final-cta p { color: var(--text-muted); margin-bottom: 2rem; }
.btn-final-cta { padding: 1.2rem 3rem; font-size: 1.2rem; animation: vibrantPulse 2s infinite; background-color: var(--accent-black); color: var(--bg-yellow); }
@keyframes vibrantPulse { 0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,0,0,0.4); } 70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(0,0,0,0); } 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,0,0,0); } }

/* FOOTER */
.footer { padding: 4rem 0 2rem; background: var(--accent-black); }
.footer__container { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.footer__brand .footer__logo { color: var(--text-light); }
.footer__brand .logo-highlight, .footer__brand .logo-crown { color: var(--bg-yellow); }
.footer__brand p { color: rgba(255,255,255,0.6); }
.footer h4 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--text-light); }
.footer__links a, .footer__legal a { display: block; color: rgba(255,255,255,0.6); margin-bottom: 0.5rem; font-weight: normal; transition: color 0.3s; }
.footer__links a:hover, .footer__legal a:hover { color: var(--bg-yellow); }

/* WHATSAPP FLUTUANTE */
.whatsapp-flutuante { position: fixed; bottom: 2rem; right: 2rem; width: 60px; height: 60px; background-color: var(--success-green); color: white; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 2.5rem; box-shadow: 0 4px 15px rgba(0,0,0,0.4); z-index: 999; animation: pulse 2s infinite; transition: transform 0.3s; }
.whatsapp-flutuante:hover { transform: scale(1.1); }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }

/* RESPONSIVIDADE */
@media (max-width: 992px) {
    .hero__container { grid-template-columns: 1fr; text-align: center; }
    .hero__content { order: 1; }
    .hero__image-slider { order: 2; max-width: 500px; margin: 2rem auto 0; }
    .benefits__container { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .vantagens__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    body { font-size: 95%; }
    .section__title { font-size: 2.2rem; }
    .hero__title { font-size: 2.8rem; }
    .nav__menu { position: fixed; top: 0; right: -100%; width: 70%; height: 100vh; background-color: var(--bg-yellow); padding: 5rem 2rem 2rem; transition: right 0.4s ease; box-shadow: -5px 0 20px rgba(0,0,0,0.1); }
    .nav__menu.show-menu { right: 0; }
    .nav__list { flex-direction: column; gap: 2.5rem; }
    .nav__link { color: var(--text-dark); }
    .nav__toggle { display: block; z-index: 1001; }
    .cta-whatsapp-header { display: none; }
    .social-proof__container, .maintenance__grid { grid-template-columns: 1fr; gap: 3rem;}
    .footer__container { grid-template-columns: 1fr; text-align: center;}
    .footer__logo { justify-content: center;}
    
    .product-card, .product-card:nth-child(even) { flex-direction: column; }
    .product-card__image-wrapper { 
        width: 100%;
        max-width: none;
        padding: 0;
    }
    .product-card__badge {
        top: 0.5rem;
        left: 0.5rem;
    }
     .product-card:nth-child(even) .product-card__badge { 
        left: auto; 
        right: 0.5rem; 
    }
    .product-card__content { padding: 1.5rem; }

    .vantagens__grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
    .benefits__container { grid-template-columns: 1fr; }
}