:root {
    --primary-color: #C58F78;
    /* Tom terroso/rosé - Identidade */
    --secondary-color: #8D6E63;
    /* Contraste suave */
    --accent-color: #D7CCC8;
    /* Fundo seções */
    --text-color: #3E2723;
    /* Texto principal */
    --light-bg: #FAF9F6;
    /* Fundo geral */
    --cta-color: #558B2F;
    /* VERDE NATUREZA - Alto contraste para conversão */
    --cta-hover: #33691E;
    /* Verde mais escuro para hover */
    --white: #FFFFFF;
    --font-main: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.85)), url('https://images.unsplash.com/photo-1570172619644-dfd03ed5d881?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    padding: 60px 0 80px;
    text-align: center;
}

.pre-headline {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}

.hero h1 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero h1 span {
    color: var(--primary-color);
    font-style: italic;
    position: relative;
}

.subheadline {
    font-size: 1.25rem;
    max-width: 750px;
    margin: 0 auto 40px;
    color: #5D4037;
    font-weight: 300;
}

/* Hero Image */
.hero-image-container {
    max-width: 600px;
    margin: 0 auto 40px;
    position: relative;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: block;
    border: 4px solid white;
}

/* --- CTA Button Optimized --- */
.btn-cta {
    background: linear-gradient(to bottom, var(--cta-color), var(--cta-hover));
    color: white;
    padding: 20px 45px;
    font-size: 1.3rem;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 25px rgba(85, 139, 47, 0.4);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite;
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(85, 139, 47, 0.6);
}

.btn-subtext {
    display: block;
    margin-top: 8px;
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.9;
    text-transform: none;
    letter-spacing: 0;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(85, 139, 47, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(85, 139, 47, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(85, 139, 47, 0);
    }
}

/* --- Problem Section --- */
.problem-section {
    padding: 80px 0;
    background: white;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.problem-text h2 {
    font-size: 2.4rem;
    margin-bottom: 25px;
}

.check-list {
    list-style: none;
    margin-top: 30px;
}

.check-list li {
    margin-bottom: 20px;
    padding-left: 40px;
    position: relative;
    font-size: 1.1rem;
    color: #5D4037;
}

.check-list li::before {
    content: '✕';
    color: #e53935;
    /* Vermelho alerta */
    position: absolute;
    left: 0;
    font-weight: 900;
    font-size: 1.2rem;
    background: #FFEBEE;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Mechanism Section (New) --- */
.mechanism-section {
    padding: 80px 0;
    background-color: #EFEBE9;
    text-align: center;
}

.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.mech-card {
    background: transparent;
    padding: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 15px;
}

.mech-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    color: rgba(197, 143, 120, 0.3);
    line-height: 1;
    margin-bottom: -20px;
    display: block;
    font-weight: 700;
}

.mech-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    position: relative;
}

/* --- Solution Section --- */
.solution-section {
    padding: 80px 0;
    background-color: var(--white);
    text-align: center;
    border-top: 1px solid #eee;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 20px;
    transition: transform 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.card:hover {
    transform: translateY(-10px);
    background: white;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--primary-color);
}

/* --- Offer Section --- */
.offer-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(to bottom, var(--light-bg), #fff);
}

.price-box {
    background: white;
    max-width: 650px;
    margin: 40px auto;
    padding: 50px;
    border-radius: 25px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 30px 60px rgba(197, 143, 120, 0.15);
    position: relative;
}

.price-tag {
    background: var(--primary-color);
    color: white;
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.benefit-list {
    text-align: left;
    margin-bottom: 35px;
    list-style: none;
}

.benefit-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 1.05rem;
}

.old-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.new-price {
    font-size: 4rem;
    font-weight: 700;
    color: var(--cta-color);
    /* Preço verde para match com botão */
    line-height: 1;
    margin: 0 0 10px;
    letter-spacing: -2px;
}

.guarantee-badge {
    max-width: 250px;
    margin: 35px auto 0;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* --- FAQ Section --- */
.faq-section {
    padding: 100px 0;
    background-color: #fff;
    text-align: center;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: var(--light-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item[open] {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.faq-item summary {
    padding: 25px 30px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 60px;
    color: var(--text-color);
}

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

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
    padding: 0 30px 25px;
    color: #5D4037;
    line-height: 1.7;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    background: #2D1B18;
    /* Marrom mais profundo */
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* =========================================
   RESPONSIVIDADE AVANÇADA
   ========================================= */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .problem-grid {
        gap: 40px;
    }

    .mechanism-grid {
        gap: 20px;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .hero {
        padding: 40px 0 60px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .subheadline {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .problem-section {
        padding: 50px 0;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .problem-text h2 {
        font-size: 2rem;
        text-align: center;
    }

    .mechanism-section {
        padding: 50px 0;
    }

    .mechanism-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 40px auto 0;
    }

    .solution-section {
        padding: 50px 0;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 40px auto 0;
    }

    .offer-section {
        padding: 50px 0;
    }

    .price-box {
        padding: 40px 20px;
        margin: 30px auto;
    }

    .new-price {
        font-size: 3.5rem;
    }

    .faq-section {
        padding: 60px 0;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .pre-headline {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }

    .btn-cta {
        padding: 18px 20px;
        width: 100%;
        font-size: 1.1rem;
    }

    .problem-text h2 {
        font-size: 1.6rem;
    }

    .check-list li {
        font-size: 1rem;
    }

    .price-tag {
        font-size: 0.75rem;
        padding: 6px 15px;
    }

    .new-price {
        font-size: 3rem;
    }

    .benefit-list li {
        font-size: 0.95rem;
    }

    .faq-item summary {
        padding: 20px 15px;
        padding-right: 50px;
        font-size: 1rem;
    }

    .faq-item p {
        padding: 0 15px 20px;
    }

    .faq-item summary::after {
        right: 15px;
    }
}