/* ==========================================================================
   DESIGN SYSTEM & EXACT APURA FILTROS COLOR PALETTE
   ========================================================================== */
:root {
    /* Palette from User Image */
    --primary: #467F8C;         /* Slate Teal */
    --primary-dark: #364040;    /* Deep Charcoal Slate */
    --secondary: #80B4BF;       /* Soft Aqua Teal */
    --secondary-light: #B0D1D9; /* Pastel Ice Blue */
    --bg-ice: #E9F1F2;          /* Ice White Background */
    --white: #FFFFFF;
    
    --accent-green: #25D366;    /* WhatsApp Action Green */
    --accent-green-hover: #1eb956;
    
    --text-main: #364040;
    --text-muted: #5a6d6d;
    --text-alert: #ef4444;
    
    --border-light: #B0D1D9;
    --shadow-sm: 0 4px 10px rgba(54, 64, 64, 0.05);
    --shadow-md: 0 10px 25px rgba(70, 127, 140, 0.15);
    --shadow-lg: 0 20px 45px rgba(54, 64, 64, 0.2);
    --shadow-glow: 0 0 25px rgba(37, 211, 102, 0.4);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-ice);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    line-height: 1.25;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 90px 0;
}

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, #ffffff, var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 8px 20px rgba(70, 127, 140, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(70, 127, 140, 0.45);
}

.btn-whatsapp {
    background-color: var(--accent-green);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: var(--accent-green-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.15rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    border-radius: 20px;
    display: inline-flex;
}

.btn-block {
    width: 100%;
}

.pulse-glow {
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* TOP BAR & HEADER */
.top-bar {
    background-color: var(--primary-dark);
    color: var(--white);
    font-size: 0.85rem;
    padding: 10px 0;
    border-bottom: 2px solid var(--secondary);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-link {
    color: var(--secondary-light);
    font-weight: 700;
}

.header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--secondary-light);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-header-logos {
    display: flex;
    align-items: center;
    gap: 20px;
}

.brand-logo-container {
    background: var(--white);
    padding: 6px 16px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(54, 64, 64, 0.08);
    border: 1px solid var(--secondary-light);
    display: inline-flex;
    align-items: center;
}

.img-logo-apura-horizontal {
    height: 46px;
    width: auto;
    object-fit: contain;
}

.toplife-header-highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 20px;
    border-left: 2px solid var(--secondary-light);
}

.img-logo-toplife-badge {
    height: 48px;
    width: 48px;
    object-fit: contain;
}

.toplife-text-badge strong {
    display: block;
    font-size: 0.85rem;
    color: var(--primary-dark);
    line-height: 1.1;
}

.toplife-text-badge small {
    font-size: 0.72rem;
    color: var(--primary);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    gap: 20px;
}

.nav-link {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

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

.header-btn {
    padding: 6px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 25px;
    gap: 6px;
}

/* HERO SECTION */
.hero {
    position: relative;
    background: linear-gradient(135deg, #364040 0%, #467F8C 100%);
    color: var(--white);
    padding: 70px 0 90px;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(128, 180, 191, 0.25) 0%, rgba(70, 127, 140, 0) 70%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(233, 241, 242, 0.15);
    border: 1px solid var(--secondary-light);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.badge-hero img {
    height: 26px;
}

.hero-title {
    font-size: 2.7rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-light);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
}

.feature-item i {
    color: var(--secondary-light);
    font-size: 1.1rem;
    width: 24px;
}

.feature-item i.text-alert {
    color: #f87171;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
}

.hero-guarantee {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--secondary-light);
    background: var(--white);
    padding: 35px 20px 75px;
    text-align: center;
}

.tag-toplife {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-dark);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2;
}

.hero-img {
    width: 100%;
    max-height: 290px;
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.product-features-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    gap: 15px;
    z-index: 5;
}

.knob-badge, .compressor-badge {
    background: rgba(54, 64, 64, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid var(--secondary-light);
    color: var(--white);
    padding: 10px 14px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
}

.knob-badge i, .compressor-badge i {
    color: var(--secondary-light);
    font-size: 1.2rem;
}

/* TRUST BAR */
.trust-bar {
    background-color: var(--white);
    border-bottom: 2px solid var(--secondary-light);
    padding: 30px 0;
}

.trust-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.trust-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: var(--bg-ice);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.trust-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.trust-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* SECTION 1: PROBLEMA */
.problem-section {
    background-color: var(--white);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.problem-card {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #fee2e2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* LIFESTYLE STORYTELLING BANNERS */
.lifestyle-story-banner {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.story-img {
    width: 100%;
    height: 100%;
    max-height: 280px;
    object-fit: cover;
    display: block;
}

.story-text-col {
    padding: 35px;
}

.story-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(70, 127, 140, 0.12);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.story-text-col h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.story-text-col p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.mini-lifestyle-card {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.mini-lifestyle-img {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.mini-lifestyle-card p {
    font-size: 0.85rem;
    color: var(--text-main);
    line-height: 1.3;
}

.story-img-card {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--secondary-light);
}

/* SECTION 2: EDUCAR */
.educate-section {
    background-color: var(--bg-ice);
}

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

.educate-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 30px;
    position: relative;
}

.educate-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    font-weight: 900;
    color: var(--secondary-light);
}

.educate-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(70, 127, 140, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.educate-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.educate-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* SECTION 3: COMPARAÇÃO (TABLE) */
.compare-section {
    background-color: var(--white);
}

.table-responsive {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--secondary-light);
}

.compare-table th {
    padding: 20px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    background: var(--primary-dark);
    color: var(--white);
}

.compare-table th tr-galao {
    color: #f87171;
}

.compare-table th tr-toplife {
    color: var(--secondary-light);
}

.compare-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--bg-ice);
    font-size: 0.95rem;
}

.compare-table td.bad {
    color: #dc2626;
    background: #fef2f2;
}

.compare-table td.good {
    color: var(--primary-dark);
    background: #f0fdf4;
    font-weight: 700;
}

/* SECTION 4: CALCULADORA DE ECONOMIA */
.calc-section {
    background: linear-gradient(135deg, #364040 0%, #467F8C 100%);
    color: var(--white);
}

.calc-section .section-title {
    color: var(--white);
}

.calc-section .section-desc {
    color: var(--secondary-light);
}

.calc-box {
    background: var(--white);
    color: var(--text-main);
    border-radius: var(--radius-lg);
    border: 4px solid var(--secondary);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.calc-inputs h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.calc-field {
    margin-bottom: 25px;
}

.calc-field label {
    display: block;
    font-weight: 800;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.calc-range-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.calc-range-wrapper input[type="range"] {
    flex: 1;
    height: 8px;
    accent-color: var(--primary);
}

.range-val {
    font-weight: 800;
    color: var(--primary);
    background: var(--bg-ice);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.input-prefix {
    display: flex;
    align-items: center;
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: 12px;
    padding: 0 15px;
}

.input-prefix span {
    font-weight: 800;
    color: var(--primary);
}

.input-prefix input {
    width: 100%;
    padding: 12px;
    border: none;
    background: none;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary-dark);
    outline: none;
}

.calc-results h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.res-card {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
}

.res-card span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
}

.res-card strong {
    font-size: 1.1rem;
    color: var(--primary-dark);
}

.res-card.highlight {
    border-color: var(--primary);
    background: #f0fdf4;
}

.res-card.highlight strong {
    color: #16a34a;
    font-size: 1.2rem;
}

.calc-callout {
    background: var(--bg-ice);
    border-left: 4px solid var(--primary);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.calc-callout i {
    font-size: 1.8rem;
    color: var(--primary);
}

.calc-callout p {
    font-size: 0.9rem;
}

/* SECTION 5 & 6: SAÚDE & REFIL */
.health-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: center;
}

.health-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--secondary-light);
}

.ph-scale-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
    border: 1px solid var(--secondary-light);
}

.ph-bar {
    display: flex;
    height: 32px;
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.ph-segment.acid { background: #ef4444; }
.ph-segment.neutral { background: #f59e0b; }
.ph-segment.alkaline { background: linear-gradient(90deg, #10b981, var(--primary)); }

/* GARRAFA ALCALINA COMPLETE BOTTLE SHOWCASE */
.bottle-variants-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 25px;
}

.bottle-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.bottle-card:hover, .bottle-card.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.bottle-img-box {
    width: 90px;
    height: 90px;
    border-radius: 12px;
    background: var(--bg-ice);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bottle-img-box img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.bottle-details h4 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.bottle-details p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* VIDEO TESTIMONIALS SECTION */
.video-testimonials-wrapper {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 50px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.video-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.video-thumb-container {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-card:hover .video-thumb {
    transform: scale(1.05);
}

.play-btn-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.9);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.video-card:hover .play-btn-overlay {
    background: var(--primary);
    transform: translate(-50%, -50%) scale(1.15);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.75);
    color: var(--white);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.video-info {
    padding: 16px;
}

.video-info h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.video-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.product-bought {
    display: inline-block;
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 700;
    background: rgba(70, 127, 140, 0.1);
    padding: 3px 8px;
    border-radius: 6px;
}

.refil-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 20px;
}

.refil-deep-section {
    background-color: var(--white);
}

.refil-info-card {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
}

.refil-icon-header {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

/* SECTION 7: TECNOLOGIA */
.tech-section {
    background: var(--bg-ice);
}

.tech-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 25px;
    text-align: center;
}

.tech-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* FEATURED BUILDER SECTION */
.builder-section {
    background: linear-gradient(135deg, #364040 0%, #467F8C 100%);
    color: var(--white);
    padding: 90px 0;
}

.builder-section .section-title {
    color: var(--white);
}

.builder-section .section-desc {
    color: var(--secondary-light);
}

.builder-main-container {
    background: var(--white);
    color: var(--text-main);
    border-radius: var(--radius-lg);
    border: 4px solid var(--secondary);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    padding: 40px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.3);
}

.builder-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-ice);
    border-radius: var(--radius-md);
    padding: 30px;
    border: 2px solid var(--secondary-light);
}

.purifier-preview {
    text-align: center;
    width: 100%;
}

.purifier-badge-glow {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.purifier-img-container {
    width: 100%;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.purifier-img-container img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.4s ease, opacity 0.3s ease;
}

.builder-controls h3 {
    color: var(--primary-dark);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.builder-help {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.control-group {
    margin-bottom: 22px;
}

.control-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.color-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.color-btn {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    color: var(--primary-dark);
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition);
}

.color-btn.active, .color-btn:hover {
    border-color: var(--primary);
    background: var(--secondary-light);
}

.color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.custom-select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: 12px;
    color: var(--primary-dark);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
}

.radio-options {
    display: flex;
    gap: 25px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}

.builder-summary-box {
    background: var(--bg-ice);
    border: 2px dashed var(--primary);
    border-radius: 12px;
    padding: 18px;
    margin: 25px 0;
    font-size: 0.9rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.summary-line.highlight {
    color: var(--primary);
    border-top: 1px solid var(--secondary-light);
    padding-top: 10px;
    margin-bottom: 0;
}

/* SECTION 11: CATALOG GRID */
.catalog-section {
    background-color: var(--bg-ice);
}

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

.product-card {
    background: var(--white);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 25px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.product-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 20px;
    color: var(--white);
    background: var(--primary);
}

.product-img-wrapper {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    margin-bottom: 15px;
}

.product-img-wrapper img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.product-info h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.product-subtitle {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 15px;
}

.product-specs {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.product-specs li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.product-specs li i {
    color: var(--primary);
    margin-top: 4px;
}

/* SECTION 10: PROVA SOCIAL */
.social-proof-section {
    background: var(--white);
}

.proof-card {
    background: var(--bg-ice);
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    padding: 25px;
}

.proof-stars {
    color: #f59e0b;
    margin-bottom: 12px;
}

.proof-text {
    font-size: 0.92rem;
    color: var(--text-main);
    font-style: italic;
    margin-bottom: 15px;
}

.proof-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-dark);
}

.proof-author small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* STORE SECTION */
.store-section {
    background-color: var(--white);
}

.store-box {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.store-map-card {
    background: var(--bg-ice);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--secondary-light);
}

.img-store-circle-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 15px;
}

.toplife-store-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    padding: 10px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--secondary-light);
}

/* FAQ SECTION */
.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 2px solid var(--secondary-light);
    border-radius: var(--radius-md);
    background: var(--white);
}

.faq-question {
    width: 100%;
    padding: 18px 22px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary-dark);
    cursor: pointer;
    text-align: left;
}

.faq-question i {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 22px;
}

.faq-item.active .faq-answer {
    padding: 0 22px 18px;
    max-height: 300px;
}

/* FINAL CTA & FOOTER */
.final-cta {
    background: linear-gradient(135deg, #364040 0%, #467F8C 100%);
    color: var(--white);
    padding: 80px 0;
}

.final-cta h2 {
    color: var(--white);
    font-size: 2.4rem;
    margin-bottom: 15px;
}

.sub-guarantee {
    margin-top: 25px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer {
    background-color: var(--primary-dark);
    color: var(--secondary-light);
    padding: 60px 0 20px;
    font-size: 0.9rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-bottom {
    border-top: 1px solid var(--primary);
    padding-top: 20px;
    font-size: 0.8rem;
}

/* FLOATING WHATSAPP BUTTON (PROPORTIONATE SIZE) */
.floating-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 52px;
    height: 52px;
    background-color: var(--accent-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
    z-index: 9999;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.6);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
    .hero-container, .builder-main-container, .health-wrapper, .store-box, .calc-box {
        grid-template-columns: 1fr;
    }
    .grid-4, .grid-3, .trust-container, .catalog-grid, .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .nav-menu { display: none; }
}

@media (max-width: 600px) {
    .grid-4, .grid-3, .trust-container, .catalog-grid, .refil-types-grid, .color-options, .results-grid {
        grid-template-columns: 1fr;
    }
    .hero-title { font-size: 2rem; }
    .builder-main-container { padding: 20px; }
}