:root {
    --color-bg-light: #f8f9fa;
    --color-bg-white: #ffffff;
    --color-text-dark: #212529;
    --color-text-muted: #5a5a5a;
    --color-text-white: #f5f5f5;
    --color-accent-gold: #b08d57;
    --color-gold-light: #d4c1a3;
    
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    --transition-smooth: all 0.3s ease-in-out;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background-color: #0a0a0a; color: var(--color-text-muted); font-family: var(--font-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { font-family: var(--font-secondary); color: var(--color-text-dark); line-height: 1.2; }
strong { color: var(--color-text-dark); font-weight: 600; }
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding: 0 1.5rem; }
section { padding: 7rem 0; position: relative; }
.section__title { font-size: 2.8rem; text-align: center; margin-bottom: 1.5rem; }
.section__subtitle { font-size: 1.1rem; text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.text-gold { color: var(--color-accent-gold); }

.btn { position: relative; overflow: hidden; display: inline-block; padding: 0.8rem 1.8rem; font-family: var(--font-primary); font-weight: 600; text-decoration: none; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: var(--transition-smooth); z-index: 1; }
.btn--primary { background-image: linear-gradient(145deg, var(--color-gold-light), var(--color-accent-gold)); color: var(--color-text-dark); border-color: rgba(0,0,0,0.05); }
.btn--primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent); transition: left 0.5s ease; z-index: -1; }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 4px 25px rgba(176, 141, 87, 0.4); }
.btn--primary:hover::before { left: 100%; }
.btn--large { padding: 1rem 2.5rem; font-size: 1.1rem; }
.btn--block { width: 100%; text-align: center; margin-top: auto; }

.header { background-color: transparent; padding: 1rem 0; position: fixed; width: 100%; top: 0; z-index: 1000; transition: background-color 0.3s ease-in-out, padding 0.3s ease-in-out; }
.header.scrolled { background-color: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0, 0, 0, 0.08); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.header .container { display: flex; justify-content: space-between; align-items: center; }
.header__logo-wrapper { text-decoration: none; z-index: 1001; }
.header__logo-img { max-height: 60px; transition: var(--transition-smooth); }
.header.scrolled .header__logo-img { filter: brightness(0); }
.header__nav { display: flex; gap: 2rem; }
.header__nav-link { color: var(--color-text-white); font-weight: 500; text-decoration: none; transition: var(--transition-smooth); }
.header.scrolled .header__nav-link { color: var(--color-text-muted); }
.header__nav-link:hover { color: var(--color-accent-gold); }

.hamburger { display: none; width: 30px; height: 24px; background: none; border: none; cursor: pointer; z-index: 1001; position: relative; }
.hamburger span { display: block; width: 100%; height: 3px; background-color: var(--color-text-white); border-radius: 3px; transition: all 0.3s ease-in-out; position: absolute; }
.header.scrolled .hamburger span { background-color: var(--color-text-dark); }
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { top: 20px; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

.hero { min-height: 100vh; display: flex; align-items: center; justify-content: flex-start; text-align: left; background-image: url('https://images.pexels.com/photos/7876050/pexels-photo-7876050.jpeg'); background-size: cover; background-position: center; }
.hero__overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 10, 10, 0.9); }
.hero__container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 4rem;
}
.hero__content { max-width: 650px; }
.hero__image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero__image {
    width: 100%;
    border-radius: 12px;
    border: 2px solid var(--color-accent-gold);
    box-shadow: -10px 15px 35px rgba(0,0,0,0.4);
    transform: perspective(1500px) rotateY(-12deg) rotateX(2deg) scale(1.05);
    transition: transform 0.4s ease-out;
}
.hero__image:hover {
    transform: perspective(1500px) rotateY(0) rotateX(0) scale(1);
}
.hero__title { font-size: 3.2rem; margin-bottom: 1rem; color: var(--color-bg-white); text-transform: none; }
.hero__subtitle { font-size: 1.2rem; color: #e0e0e0; line-height: 1.7; margin-bottom: 1.5rem; }
.hero__keywords { display: flex; align-items: center; gap: 0.75rem; color: #e0e0e0; margin-bottom: 1.5rem; background-color: rgba(255,255,255,0.05); padding: 0.75rem 1rem; border-radius: 4px; }
.hero__keywords .iconify { font-size: 1.5rem; color: var(--color-accent-gold); }
.hero__keywords p { margin: 0; font-size: 0.95rem; }
.hero__keywords strong { color: var(--color-text-white); }
.hero__benefits { font-size: 1.1rem; color: #e0e0e0; background-color: rgba(255,255,255,0.05); padding: 1rem 1.5rem; border-left: 3px solid var(--color-accent-gold); border-radius: 4px; margin-bottom: 2.5rem; }
.hero__benefits p { margin-bottom: 0.5rem; }
.hero__benefits strong { color: var(--color-text-white); }
.hero__list { list-style: '✓ '; padding-left: 1.2rem; }
.hero__list li { margin-bottom: 0.3rem; }

.section--with-texture { background-color: #f1f3f5; }
.products { background-color: var(--color-bg-light); }
.products .container { position: relative; z-index: 1; }

.law-reference { text-align: center; max-width: 700px; margin: -2rem auto 4rem; background-color: rgba(255, 255, 255, 0.7); padding: 1rem 1.5rem; border-radius: 6px; border-left: 4px solid var(--color-accent-gold); display: flex; align-items: center; justify-content: center; gap: 0.75rem; font-weight: 500; }
.law-reference .iconify { font-size: 1.5rem; color: var(--color-accent-gold); }

.main-product__card { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; background-color: var(--color-bg-white); padding: 3rem; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.07); margin-bottom: 5rem; border: 3px solid var(--color-accent-gold); }
.main-product__pre-title { font-family: var(--font-primary); font-weight: 600; color: var(--color-accent-gold); margin-bottom: 0.5rem; }
.main-product__title { font-size: 2.5rem; margin-bottom: 1rem; }
.main-product__summary { font-size: 1.1rem; margin-bottom: 1.5rem; }
.main-product__video { display: flex; justify-content: center; align-items: center; }
.video-wrapper { max-width: 300px; width: 100%; border-radius: 16px; overflow: hidden; box-shadow: 0 15px 35px rgba(0,0,0,0.15); border: 4px solid var(--color-accent-gold); aspect-ratio: 9 / 16; position: relative; }
.video-wrapper video { width: 100%; height: auto; display: block; }

.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

.secondary-products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.product__card { background-color: var(--color-bg-white); padding: 2rem; border: 1px solid #e9ecef; border-radius: 8px; display: flex; flex-direction: column; transition: var(--transition-smooth); box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); }
.product__card:hover { transform: translateY(-10px); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); border-color: var(--color-accent-gold); }
.product__card-title { font-size: 1.5rem; margin-bottom: 0.5rem; }
.product__card-summary { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 1rem; flex-grow: 1; }
.product__card-features { list-style: none; margin-bottom: 2rem; padding: 0; }
.product__card-features li { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; font-size: 0.95rem; }
.product__card-features .iconify { color: var(--color-accent-gold); font-size: 1.2rem; }

.feature-section { background: var(--color-bg-white); }
.feature-section__container { display: flex; align-items: center; gap: 5rem; }
.feature-section__content { flex: 1; }
.feature-section__title { font-size: 2.8rem; text-align: left; margin-bottom: 1.5rem; }
.feature-section__description { margin-bottom: 2rem; font-size: 1.1rem; }
.feature-section__list { list-style: none; display: flex; flex-direction: column; gap: 1rem; padding: 0; }
.feature-section__list li { display: flex; align-items: center; gap: 0.8rem; font-size: 1.05rem; }
.feature-section__list .iconify { color: var(--color-accent-gold); font-size: 1.4rem; }
.feature-section__visual { flex: 1; display: flex; justify-content: center; align-items: center; }

.feature-section__icon {
    width: 15rem;
    height: 15rem;
    color: var(--color-accent-gold);
    filter: drop-shadow(0 5px 20px rgba(0, 0, 0, 0.3));
}

.guarantee {
    background-image: url('https://images.pexels.com/photos/4963437/pexels-photo-4963437.jpeg');
    background-size: cover;
    background-position: center;
    position: relative;
}
.guarantee::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.75);
    z-index: 1;
}
.guarantee .container {
    position: relative;
    z-index: 2;
}
.guarantee__box {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-accent-gold);
    border-radius: 8px;
    padding: 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.guarantee__box .iconify {
    color: var(--color-accent-gold);
    margin-bottom: 1rem;
    font-size: 3.5rem;
}
.guarantee__title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--color-bg-white);
}
.guarantee__text {
    margin-bottom: 2rem;
    color: #e0e0e0;
}

.about { background-color: var(--color-bg-light); overflow: hidden;}
.about__container { display: flex; align-items: center; gap: 4rem; position: relative; }
.about__bg-icon { position: absolute; left: -100px; top: 50%; transform: translateY(-50%); font-size: 25rem; color: rgba(176, 141, 87, 0.05); z-index: 0; }
.about__content { flex: 1; z-index: 1; }
.about__title { text-align: left; font-size: 2.8rem; margin-bottom: 2rem; }
.about__image-wrapper { flex: 0 0 400px; z-index: 1; }
.about__image-frame { border: 2px solid var(--color-accent-gold); border-radius: 8px; padding: 1rem; }
.about__image { max-width: 100%; border-radius: 6px; display: block; filter: grayscale(1); }

.faq { background-color: var(--color-bg-white); }
.faq__accordion { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid #e9ecef; }
.faq__question { width: 100%; background: none; border: none; display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 0; cursor: pointer; font-family: var(--font-primary); font-size: 1.2rem; font-weight: 500; color: var(--color-text-dark); text-align: left; }
.faq__icon { transition: transform 0.3s ease; color: var(--color-accent-gold); }
.faq__item.active .faq__icon { transform: rotate(180deg); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq__answer p { padding-bottom: 1.5rem; }

.footer { background-color: #e9ecef; padding: 3rem 0; color: var(--color-text-muted); font-size: 0.9rem; border-top: 1px solid #dee2e6; }
.footer__container { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 2rem; }
.footer__info, .footer__contact { flex: 1; min-width: 250px; }
.footer__info p, .footer__contact p { margin-bottom: 0.5rem; }
.footer__contact p { display: flex; align-items: center; gap: 0.5rem; }
.footer__social { display: flex; gap: 1.5rem; align-self: center; }
.footer__social a { color: var(--color-text-muted); text-decoration: none; transition: var(--transition-smooth); }
.footer__social .iconify { font-size: 1.8rem; }
.footer__social a:hover { color: var(--color-accent-gold); }

.whatsapp-button { position: fixed; bottom: 2rem; right: 2rem; z-index: 100; width: 60px; height: 60px; background-color: var(--color-accent-gold); color: var(--color-bg-white); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 2rem; box-shadow: 0 4px 15px rgba(176, 141, 87, 0.4); transition: var(--transition-smooth); }
.whatsapp-button:hover { transform: scale(1.1) rotate(10deg); box-shadow: 0 6px 20px rgba(176, 141, 87, 0.6); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    section { padding: 5rem 0; }
    
    .header__nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-white);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        border-top: 1px solid #e9ecef;
        transform: translateY(-10%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .header__nav.nav-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .header__nav-link {
        color: var(--color-text-dark);
        padding: 1rem 1.5rem;
        width: 100%;
        text-align: center;
    }
    .header.scrolled .header__nav-link {
        color: var(--color-text-dark);
    }
    .btn--header {
        display: none;
    }
    .hamburger {
        display: flex;
    }

    .hero { text-align: center; justify-content: center; min-height: auto; padding: 8rem 0 4rem; }
    .hero__container { grid-template-columns: 1fr; gap: 3rem; }
    .hero__content { grid-row: 2; max-width: 100%; text-align: center; }
    .hero__image-wrapper { grid-row: 1; }
    .hero__image { transform: none; box-shadow: 0 8px 25px rgba(0,0,0,0.3); }
    .hero__title { font-size: 3rem; }
    .hero__keywords { flex-direction: column; text-align: center; justify-content: center;}
    .main-product__card { grid-template-columns: 1fr; }
    .secondary-products__grid { grid-template-columns: 1fr; }
    .how-it-works__grid { grid-template-columns: repeat(2, 1fr); }
    .feature-section__container { flex-direction: column !important; gap: 3rem; text-align: center; }
    .feature-section__title { text-align: center; }
    .about__container { flex-direction: column-reverse; gap: 3rem; text-align: center;}
    .about__title { text-align: center; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    .section__title { font-size: 2.2rem; }
    
    .header { padding: 0.5rem 0; }
    .header__logo-img { max-height: 50px; }
    .header .container { justify-content: space-between; }
    
    .hero { padding-top: 5rem; }
    .hero__title { font-size: 2.8rem; }
    .hero__subtitle { font-size: 1.15rem; }

    .footer__container { flex-direction: column; gap: 1.5rem; text-align: center; align-items: center; }
    .footer__info, .footer__contact { text-align: center; }
    .footer__contact p { justify-content: center; }

    .how-it-works__grid { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
    .whatsapp-button { width: 50px; height: 50px; font-size: 1.5rem; bottom: 1.5rem; right: 1.5rem; }
}