/* CSS Custom Properties */
:root {
    --color-primary: #D94E28;
    --color-primary-dark: #B83D1E;
    --color-accent: #F9744C;
    --color-cream: #FFF8F5;
    --color-light: #EFEFEF;
    --color-dark: #1a1a1a;
    --color-text: #2a2a2a;
    --color-text-light: #555555;
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #20BA5A;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

.section-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 2rem;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 50px;
}

.btn-primary {
    padding: 16px 36px;
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(217, 78, 40, 0.35);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(217, 78, 40, 0.45);
}

.btn-whatsapp {
    padding: 18px 40px;
    background-color: var(--color-whatsapp);
    color: #ffffff;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
}

.btn-whatsapp svg {
    flex-shrink: 0;
}

/* ===== HEADER ===== */
.header {
    background-color: #ffffff;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ===== 01 HERO ===== */
.hero {
    padding: 80px 16px 60px;
    background: var(--color-cream);
    text-align: center;
}

.hero-content {
    max-width: 720px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2rem, 5.5vw, 3.2rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    color: var(--color-text-light);
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 36px;
}

/* ===== 03 BENEFITS ===== */
.benefits {
    padding: 48px 16px;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-light);
}

.benefits-list {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.benefit-arrow {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
    line-height: 1.6;
}

.benefit-item p {
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* ===== 04 STORY ===== */
.story {
    padding: 80px 16px;
    background-color: #ffffff;
}

.story-content {
    max-width: 680px;
    margin: 0 auto;
}

.story-text {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 20px;
    line-height: 1.85;
}

.story-text:last-child {
    margin-bottom: 0;
}

.story-text--highlight {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    margin: 28px 0;
}

.story-text--bold {
    font-weight: 600;
    color: var(--color-dark);
}

/* ===== 05 USE CASES ===== */
.use-cases {
    padding: 80px 16px;
    background-color: var(--color-cream);
}

.use-cases-intro {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.05rem;
    max-width: 600px;
    margin: -0.5rem auto 3rem;
    line-height: 1.7;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.use-case-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.use-case-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.use-case-emoji {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}

.use-case-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.use-case-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ===== 06 HEALTH ===== */
.health {
    padding: 80px 16px;
    background-color: #ffffff;
}

.health-intro {
    text-align: center;
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin: -0.5rem auto 3rem;
    line-height: 1.7;
}

.health-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 2.5rem;
}

.health-card {
    background: var(--color-cream);
    border-radius: var(--radius);
    padding: 28px 24px;
    border-left: 4px solid var(--color-primary);
}

.health-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.health-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.health-closing {
    text-align: center;
    font-size: 1.05rem;
    color: var(--color-text);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 07 TESTIMONIALS ===== */
.testimonials {
    padding: 80px 16px;
    background-color: var(--color-cream);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.testimonial-card:nth-child(1) { transform: rotate(-1deg); }
.testimonial-card:nth-child(2) { transform: rotate(0.5deg); }
.testimonial-card:nth-child(3) { transform: rotate(-0.5deg); }

.testimonial-card:hover {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    color: #F5A623;
    font-size: 1.3rem;
    margin-bottom: 16px;
    letter-spacing: 3px;
}

.testimonial-card blockquote {
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 16px;
}

.testimonial-card cite {
    font-style: normal;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* ===== 08 PRODUCTS ===== */
.products {
    padding: 80px 16px;
    background-color: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 1rem;
}

.product-card {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 3px solid transparent;
}

.product-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-image-container {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 28px 24px 32px;
    text-align: center;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.product-description {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 14px;
}

.product-meta {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: 20px;
}

.product-card .btn-primary {
    font-size: 0.95rem;
    padding: 12px 28px;
}

/* ===== 09 CTA ===== */
.cta {
    padding: 80px 16px;
    background: linear-gradient(135deg, var(--color-dark) 0%, #2d1a14 100%);
    text-align: center;
}

.cta-trust {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    margin-top: 20px;
}

/* ===== 10 FAQ ===== */
.faq {
    padding: 80px 16px;
    background-color: #ffffff;
}

.faq-list {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--color-cream);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    box-shadow: var(--shadow);
}

.faq-item summary {
    padding: 20px 24px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

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

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 24px 20px;
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== 11 FOOTER ===== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 60px 16px 40px;
    text-align: center;
}

.footer-closing {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.btn-whatsapp--footer {
    font-size: 1rem;
    padding: 14px 32px;
    margin-bottom: 40px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-social {
    margin-top: 4px;
}

.footer-link {
    color: var(--color-accent);
    font-size: 0.95rem;
    font-weight: 500;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        padding: 60px 16px 48px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

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

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

    .testimonial-card:nth-child(1),
    .testimonial-card:nth-child(2),
    .testimonial-card:nth-child(3) {
        transform: none;
    }

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

    .btn-whatsapp {
        font-size: 1.05rem;
        padding: 16px 32px;
    }

    .section-title {
        font-size: clamp(1.4rem, 5vw, 1.8rem);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .logo {
        height: 36px;
    }

    .btn-primary {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .btn-whatsapp {
        font-size: 0.95rem;
        padding: 14px 28px;
    }

    .story-text--highlight {
        font-size: 1.3rem;
    }
}