/* ==========================================================================
   ADENOFRIN LANDING PAGE STYLESHEET
   Clean, Premium Medical-Wellness Aesthetic
   ========================================================================== */

/* 1. CSS VARIABLES & SYSTEM RESET */
:root {
    --primary-color: #0f766e;      /* Deep Teal */
    --primary-hover: #115e59;      /* Darker Teal */
    --secondary-color: #0284c7;    /* Medical Blue */
    --secondary-hover: #0369a1;    /* Darker Blue */
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;          /* Light Slate/Gray */
    --bg-accent: #f0fdfa;         /* Soft Mint/Teal Tint */
    
    --text-main: #1e293b;         /* Charcoal */
    --text-muted: #475569;        /* Slate Grey */
    --text-light: #64748b;        /* Light Slate */
    
    --accent-red: #ef4444;        /* For Urgency/Sinais de Alerta */
    --bg-alert: #fef2f2;          /* Light Red Tint */
    --bg-warning: #fffbeb;        /* Light Amber Tint */
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

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

/* 2. TYPOGRAPHY & GENERAL LAYOUT */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: 1.75rem; /* Mobile H1 - Reduced size */
    margin-bottom: 1rem; /* Compact margin */
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.text-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Left-aligned title style for content grids */
.section-header:not(.text-center) h2::after {
    left: 0;
    transform: none;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    font-size: 0.925rem; /* Reduced base text size */
}

.strikethrough {
    text-decoration: line-through;
    color: var(--text-light);
}

/* 3. BUTTONS & INTERACTIVE ELEMENTS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background-color: #FFEA00; /* Vibrant neon yellow */
    color: #0f172a; /* High contrast dark charcoal text */
    box-shadow: 0 4px 14px rgba(255, 234, 0, 0.35);
}

.btn-primary:hover {
    background-color: #ffd600; /* Slightly deeper gold-yellow */
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 234, 0, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--bg-accent);
    color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: #FFEA00; /* Vibrant neon yellow */
    color: #0f172a; /* High contrast dark charcoal text for maximum legibility */
    box-shadow: 0 4px 14px rgba(255, 234, 0, 0.35);
}

.btn-accent:hover {
    background-color: #ffd600; /* Slightly deeper gold-yellow on hover */
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 234, 0, 0.5);
}

.btn-accent.pulse-animation {
    animation: ctaPulseAccent 2s infinite;
}

@keyframes ctaPulseAccent {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 234, 0, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 234, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 234, 0, 0);
    }
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-lg {
    padding: 1.1rem 2.5rem;
    font-size: 1.125rem;
}

/* Pulse animation for CTA */
.pulse-animation {
    position: relative;
    animation: ctaPulse 2s infinite;
}

@keyframes ctaPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 234, 0, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 234, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 234, 0, 0);
    }
}

/* 4. MAIN LAYOUT CONTAINERS */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 800px;
}

section {
    padding: 2rem 0; /* Tightened mobile section padding */
}

.text-center {
    text-center: center;
    text-align: center;
}

/* 5. STICKY HEADER & LOGO */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(241, 245, 249, 0.8);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.5rem;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.logo-shield-svg {
    width: 26px;
    height: 26px;
    display: block;
}

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

/* Nav Menu */
.main-nav {
    display: none; /* Hidden on mobile by default */
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
}

.header-cta {
    display: none !important; /* Hidden on mobile */
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Mobile Toggle */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: all var(--transition-normal);
}

/* Active State for Hamburger */
.mobile-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 6. HERO SECTION */
.hero-section {
    padding-top: 7.5rem; /* Space for sticky header */
    background: radial-gradient(circle at 10% 20%, rgba(240, 253, 250, 0.5) 0%, rgba(255, 255, 255, 1) 90%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    background-color: var(--bg-accent);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-subtext {
    font-size: 0.95rem; /* Reduced size */
    margin-bottom: 0.85rem; /* Tightened margin */
    color: var(--text-muted);
}

.hero-bullets {
    list-style: none;
    margin-bottom: 0.85rem; /* Tightened margin */
}

.hero-bullets li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.bullet-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    font-size: 0.75rem;
    margin-right: 0.75rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.bullet-text {
    font-weight: 500;
    color: var(--text-main);
}

.hero-price-block {
    background-color: var(--bg-accent);
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem; /* Tightened margin */
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.price-retail {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.price-promo {
    font-size: 1.05rem;
    color: var(--text-main);
}

.highlight-price {
    font-size: 1.75rem;
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 800;
}

.price-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero-image-badge {
    position: absolute;
    bottom: -15px;
    right: 15px;
    background-color: #cf1d2d; /* Vibrant red for high contrast against warm background tones */
    color: var(--bg-white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.badge-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* 7. PROBLEMAS DA PRÓSTATA SECTION */
.problems-section {
    background-color: var(--bg-light);
}

.section-subtitle {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.section-header {
    margin-bottom: 2.5rem;
}

.section-header.text-center {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.content-block p {
    font-size: 0.95rem; /* Reduced size */
    margin-bottom: 1.5rem;
}

/* Alert Box */
.alert-box {
    background-color: var(--bg-alert);
    border: 2px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.75rem;
    margin-top: 3rem;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.alert-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.alert-icon {
    font-size: 1.5rem;
}

.alert-header h3 {
    margin-bottom: 0;
    color: var(--accent-red);
    font-size: 1.15rem;
    font-weight: 700;
}

.alert-bullets {
    list-style: none;
}

.alert-bullets li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem; /* Reduced size */
    color: var(--text-main);
    font-weight: 500;
}

.alert-bullets li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--accent-red);
    font-weight: bold;
    font-size: 1.25rem;
    top: -0.1rem;
}

/* 8. O QUE É O ADENOFRIN SECTION */
.about-section {
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.product-main-image {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 25px rgba(15, 118, 110, 0.1));
}

.certifications-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.cert-item {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background-color: var(--bg-light);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.about-cta-box {
    margin-top: 2rem;
}

/* 9. PARA QUE SERVE SECTION */
.benefits-section {
    background-color: var(--bg-accent);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

.benefit-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.4);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(15, 118, 110, 0.2);
}

.benefit-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--bg-accent);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.benefit-icon {
    font-size: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.benefit-card p {
    font-size: 0.875rem; /* Reduced size */
    margin-bottom: 0;
}

/* 10. INGREDIENTES + ESTUDOS SECTION */
.ingredients-section {
    background-color: var(--bg-white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3.5rem;
    justify-items: center; /* Center cards in mobile viewport */
}

@media (min-width: 480px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (min-width: 768px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr); /* 3 columns on tablets and larger viewports */
        gap: 2rem;
    }
}

.ingredient-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 380px; /* Force card width to match the image size */
    height: 100%; /* Stretch cards in the same row to equal height */
}

.ingredient-img-container {
    width: 100%;
    aspect-ratio: 1 / 1; /* Force perfect square matching the source images */
    overflow: hidden;
    flex-shrink: 0;
}

.ingredient-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 1:1 fit with no crop and no borders since source is square */
    transition: transform var(--transition-normal);
}

.ingredient-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ingredient-card h3 {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 800;
}

.ingredient-desc {
    font-size: 0.875rem; /* Reduced size */
    margin-bottom: 1.5rem;
}

/* Scientific Box */
.scientific-box {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-top: auto;
    border-left: 3px solid var(--secondary-color);
}

.scientific-box h4 {
    font-size: 0.95rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.scientific-box p {
    font-size: 0.825rem; /* Reduced size */
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.scientific-reference {
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    padding-top: 0.5rem;
    margin-top: 0.5rem;
    word-break: break-word;
}

/* 11. OPINIÕES REAIS SECTION */
.reviews-section {
    background-color: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.review-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-header {
    margin-bottom: 1.25rem;
}

.review-stars {
    color: #f59e0b; /* Amber Stars */
    font-size: 1.15rem;
    letter-spacing: 2px;
}

.review-text {
    font-size: 0.9rem; /* Reduced size */
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    position: relative;
}

.review-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.review-name {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    font-style: normal;
    margin-bottom: 0.35rem;
}

.review-footer {
    margin-top: auto;
}

.review-verified {
    font-size: 0.75rem;
    color: #10b981; /* Verified green */
    font-weight: 600;
}

/* 12. ONDE COMPRAR SECTION */
.purchase-section {
    background-color: var(--bg-white);
}

/* 13. PREÇO SECTION */
.pricing-section {
    background-color: var(--bg-accent);
}

.pricing-layout-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .pricing-layout-wrapper {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 3.5rem;
    }
}

.pricing-info-col {
    text-align: left;
}

.pricing-info-col .section-subtitle {
    margin-bottom: 0.5rem;
}

.pricing-heading {
    font-size: 2rem;
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1rem;
}

@media (min-width: 992px) {
    .pricing-heading {
        font-size: 2.5rem;
    }
}

.pricing-intro-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

.pricing-trust-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.75rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pricing-trust-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.pricing-trust-list .trust-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.pricing-note-box {
    display: flex;
    gap: 0.75rem;
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.pricing-note-box .note-box-icon {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-top: 0.1rem;
}

.pricing-note-box .note-box-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.pricing-card-col {
    display: flex;
    justify-content: center;
    width: 100%;
}

.price-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
    width: 100%;
    position: relative;
    border: 2px solid transparent;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.price-card.popular {
    border-color: var(--primary-color);
}

.price-card-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #cf1d2d;
    color: var(--bg-white);
    padding: 0.4rem 1.25rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price-card-img-wrapper {
    margin-bottom: 1.5rem;
}

.price-card-img-wrapper img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.05));
}

.price-card-details h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.price-display {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.price-old {
    font-size: 1.25rem;
    text-decoration: line-through;
    color: var(--text-light);
}

.price-new {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

/* 14. COMO TOMAR SECTION */
.usage-section {
    background-color: var(--bg-white);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

.step-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(15, 118, 110, 0.2);
}

.step-content p {
    font-size: 0.95rem; /* Reduced size */
    margin-bottom: 0;
    color: var(--text-main);
    font-weight: 500;
}

.usage-note {
    display: flex;
    gap: 1rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-top: 3rem;
    align-items: flex-start;
    border-left: 4px solid var(--secondary-color);
}

.note-icon {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.usage-note p {
    font-size: 0.875rem; /* Reduced size */
    margin-bottom: 0;
    color: var(--text-muted);
}

/* 15. CONTRAINDICAÇÕES E AVISOS SECTION */
.warnings-section {
    background-color: var(--bg-light);
}

.warnings-blocks {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

.warning-block-item {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.warning-block-item h3 {
    color: var(--primary-color);
    font-size: 1.15rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(241, 245, 249, 1);
    padding-bottom: 0.75rem;
}

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

.warning-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem; /* Reduced size */
    color: var(--text-muted);
}

.warning-list li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Red flag styling */
.warning-block-item.red-flags {
    background-color: var(--bg-alert);
    border-color: rgba(239, 68, 68, 0.15);
}

.warning-block-item.red-flags h3 {
    color: var(--accent-red);
}

.warning-list-red {
    list-style: none;
}

.warning-list-red li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem; /* Reduced size */
    color: var(--text-main);
    font-weight: 500;
}

.warning-list-red li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--accent-red);
    font-weight: bold;
    font-size: 1.1rem;
}

/* 16. FAQ SECTION (Accordion UX) */
.faq-section {
    background-color: var(--bg-white);
}

.faq-accordion {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: border-color var(--transition-fast);
}

.faq-item.active {
    border-color: rgba(15, 118, 110, 0.3);
}

.faq-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    padding-right: 1rem;
}

.faq-icon-indicator {
    position: relative;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.faq-icon-indicator::before,
.faq-icon-indicator::after {
    content: '';
    position: absolute;
    background-color: var(--text-muted);
    transition: transform var(--transition-normal);
}

/* Horizontal line */
.faq-icon-indicator::before {
    top: 7px;
    left: 0;
    width: 100%;
    height: 2px;
}

/* Vertical line */
.faq-icon-indicator::after {
    top: 0;
    left: 7px;
    width: 2px;
    height: 100%;
}

.faq-item.active .faq-icon-indicator::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-item.active .faq-icon-indicator::before {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
}

.faq-content-inner {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-content-inner p {
    font-size: 0.875rem; /* Reduced size */
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.6;
}

/* 17. FINAL CTA SECTION */
/* 17. FINAL CTA / ORDER SECTION */
.final-cta-section {
    background-color: var(--bg-accent);
    color: var(--text-main);
    padding: 4.5rem 0;
}

.final-cta-section .section-header {
    margin-bottom: 2.5rem;
}

.final-cta-section h2 {
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.final-cta-section h2::after {
    background: var(--primary-color);
}

.final-cta-text {
    font-size: 0.975rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
    max-width: 980px;
    margin: 0 auto;
}

.order-image-column {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.order-image-wrapper {
    width: 100%;
    height: 100%;
    min-height: 480px;
    max-height: 590px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 18px 40px -8px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.order-delivery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.order-image-wrapper:hover .order-delivery-img {
    transform: scale(1.02);
}

/* ORDER FORM CARD */
.order-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 18px 40px -8px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
    text-align: left;
}

.order-card-header {
    background-color: #0f5144;
    padding: 1.5rem 1.75rem;
    color: #ffffff;
}

.order-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #34d399;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.order-card-title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 0.5rem 0;
    line-height: 1.25;
}

.order-card-subtitle {
    font-size: 0.86rem;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
}

.order-card-body {
    padding: 1.5rem 1.75rem;
    background: #ffffff;
}

.order-price-box {
    background-color: #f0fdf9;
    border: 1.5px solid #a7f3d0;
    border-radius: 14px;
    padding: 0.85rem 1.15rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.order-price-left {
    flex-shrink: 0;
}

.order-price-amount {
    font-size: 2.1rem;
    font-weight: 800;
    color: #0d5345;
    line-height: 1;
    font-family: var(--font-heading);
}

.order-price-label {
    font-size: 0.75rem;
    color: #0f766e;
    margin-top: 4px;
    font-weight: 600;
}

.order-price-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
}

.order-pack-pill {
    background: #ffffff;
    border: 1.5px solid #0f766e;
    border-radius: 9999px;
    padding: 3px 10px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #0d5345;
    white-space: nowrap;
    line-height: 1.2;
    display: inline-block;
}

.order-stock-status {
    font-size: 0.8rem;
    font-weight: 600;
    color: #059669;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.order-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.4rem;
}

.order-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: #334155;
    transition: all 0.2s ease;
}

.order-input:focus {
    outline: none;
    border-color: #0f766e;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.phone-input-group {
    display: flex;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    background-color: #f8fafc;
    overflow: hidden;
    transition: all 0.2s ease;
}

.phone-input-group:focus-within {
    border-color: #0f766e;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.country-prefix {
    background-color: #f1f5f9;
    padding: 0.8rem 0.9rem;
    font-weight: 700;
    color: #334155;
    font-size: 0.95rem;
    border-right: 1.5px solid #e2e8f0;
    display: flex;
    align-items: center;
    user-select: none;
}

.order-phone-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.8rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-body);
    color: #334155;
    outline: none;
}

.order-submit-btn {
    background: linear-gradient(180deg, #ff4365 0%, #ff2b51 100%);
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 800;
    font-family: var(--font-heading);
    padding: 0.95rem 1.5rem;
    border-radius: 9999px;
    border: none;
    width: 100%;
    cursor: pointer;
    margin-top: 1.15rem;
    box-shadow: 0 8px 20px rgba(255, 43, 81, 0.35);
    transition: all 0.2s ease;
    display: block;
    text-align: center;
}

.order-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 43, 81, 0.45);
    background: linear-gradient(180deg, #ff5574 0%, #ff1c45 100%);
}

.order-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.order-success-msg {
    background-color: #d1fae5;
    border: 1.5px solid #10b981;
    color: #065f46;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-top: 1rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.4;
}

.order-trust-list {
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.order-trust-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    font-size: 0.82rem;
    color: #047857;
    line-height: 1.4;
    font-weight: 500;
}

.order-trust-list .trust-check-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

@media (max-width: 860px) {
    .container {
        padding: 0 1rem;
    }

    .order-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        width: 100%;
        gap: 1.5rem;
        padding: 0;
    }

    .order-image-column,
    .order-form-column {
        width: 100%;
        max-width: 100%;
    }

    .order-image-wrapper {
        width: 100%;
        max-width: 100%;
        min-height: auto;
        height: auto;
        max-height: 320px;
    }

    .order-delivery-img {
        width: 100%;
        max-width: 100%;
        height: auto;
        max-height: 320px;
        object-fit: cover;
    }

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

    .order-card-header {
        padding: 1.25rem 1rem;
    }

    .order-card-title {
        font-size: 1.25rem;
        word-break: break-word;
    }

    .order-card-body {
        padding: 1.25rem 1rem;
    }

    .order-price-box {
        padding: 0.75rem 0.95rem;
        gap: 0.5rem;
    }

    .order-price-amount {
        font-size: 1.75rem;
    }

    .order-price-label {
        font-size: 0.7rem;
    }

    .order-pack-pill {
        font-size: 0.75rem;
        padding: 3px 8px;
        white-space: nowrap;
        display: inline-block;
    }

    .order-stock-status {
        font-size: 0.74rem;
        white-space: nowrap;
    }

    .country-prefix {
        padding: 0.75rem 0.75rem;
        font-size: 0.9rem;
    }

    .order-phone-input {
        padding: 0.75rem 0.75rem;
        font-size: 0.9rem;
    }

    .order-input {
        padding: 0.75rem 0.75rem;
        font-size: 0.9rem;
    }
}

/* MOBILE STICKY CTA BAR */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: 0.7rem 1rem calc(0.7rem + env(safe-area-inset-bottom, 0px)) 1rem;
    z-index: 995;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    max-width: 480px;
    margin: 0 auto;
}

.mobile-sticky-price-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.mobile-sticky-badge {
    background: #fee2e2;
    color: #ef4444;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 6px;
    border-radius: 6px;
    letter-spacing: 0.02em;
}

.mobile-sticky-prices {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.mobile-sticky-new-price {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: #0d5345;
}

.mobile-sticky-old-price {
    font-size: 0.75rem;
    color: #94a3b8;
    text-decoration: line-through;
}

.mobile-sticky-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: linear-gradient(180deg, #ff4365 0%, #ff2b51 100%);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    padding: 0.75rem 1.15rem;
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(255, 43, 81, 0.35);
    transition: transform 0.15s ease;
}

.mobile-sticky-btn:active {
    transform: scale(0.97);
}

@media (max-width: 768px) {
    .mobile-sticky-cta {
        display: block;
    }
}

/* 18. FOOTER */
.site-footer {
    background-color: #0f172a; /* Slate 900 */
    color: #94a3b8; /* Slate 400 */
    padding: 3rem 0;
    font-size: 0.85rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bg-white);
    margin-bottom: 1.5rem;
}

.footer-disclaimer {
    max-width: 800px;
    margin: 0 auto 2rem auto;
    line-height: 1.5;
    color: var(--bg-white);
}

.footer-links {
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    margin: 0 0.5rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: #FFEA00; /* Use primary neon yellow on hover for brand integration */
}

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    margin-bottom: 0;
}

/* 19. CHECKOUT MODAL STYLE */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-dialog {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-dialog {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #f1f5f9;
}

.modal-header h3 {
    margin-bottom: 0;
    font-size: 1.2rem;
}

.close-modal {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--text-main);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.product-summary-box {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.product-summary-box img {
    border-radius: var(--radius-sm);
    background-color: var(--bg-white);
    padding: 0.25rem;
}

.strikethrough-modal {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 0.85rem;
}

.modal-price {
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.modal-alert {
    display: flex;
    gap: 0.75rem;
    background-color: var(--bg-warning);
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

.modal-alert p {
    font-size: 0.85rem;
    margin-bottom: 0;
    color: #b45309; /* Dark amber text */
}

.modal-actions {
    display: flex;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE SCREEN SIZES)
   ========================================================================== */

/* Medium Devices (Tablets, 640px and up) */
@media (min-width: 640px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .warnings-blocks {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* Tablets & Laptops (768px and up) - Standard Desktop/Laptop multi-column layout */
@media (min-width: 768px) {
    /* Header Navigation */
    .mobile-toggle {
        display: none !important;
    }
    
    .main-nav {
        display: block !important;
    }
    
    .header-cta {
        display: inline-block !important;
    }

    /* Hero Layout: 2 Columns */
    .hero-section {
        padding-top: 5.5rem;
        padding-bottom: 2rem;
    }

    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2.5rem;
        align-items: center;
    }

    .hero-actions {
        flex-direction: row;
    }

    .hero-actions .btn {
        width: auto;
        display: inline-flex;
    }

    /* About Section Layout: 2 Columns */
    .about-grid {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 3rem;
        align-items: flex-start;
    }

    .about-image-wrapper {
        align-items: flex-start;
    }

    /* Reviews / Testimonials: 3 Columns */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
    }

    /* Step Timeline line */
    .steps-list {
        position: relative;
    }
    
    .steps-list::before {
        content: '';
        position: absolute;
        left: 21px;
        top: 22px;
        bottom: 22px;
        width: 2px;
        background-color: var(--bg-accent);
        z-index: 0;
    }
    
    .step-item {
        position: relative;
        z-index: 1;
    }
}

/* Compact Laptops & Small Desktops (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .nav-list {
        gap: 0.75rem;
    }
    
    .nav-link {
        font-size: 0.82rem;
    }
    
    .header-cta {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .hero-container {
        gap: 2rem;
    }

    .hero-subtext {
        font-size: 0.9rem;
    }

    h1 {
        font-size: 2rem;
    }
}

/* Large Desktops (992px and up) */
@media (min-width: 992px) {
    section {
        padding: 3.5rem 0;
    }
    
    h1 {
        font-size: 2.4rem;
    }

    h2 {
        font-size: 2.15rem;
    }

    .hero-container {
        grid-template-columns: 1fr 1.15fr;
        gap: 3.5rem;
    }
    
    .about-grid {
        gap: 4.5rem;
    }
    
    .benefits-grid {
        gap: 2rem;
    }

    .reviews-grid {
        gap: 1.5rem;
    }

    .warnings-blocks {
        gap: 2.5rem;
    }
}