/* ==========================================================================
   SOFÁBRILHO - DESIGN SYSTEM & STYLESHEET
   Modern, High-Conversion Responsive Web Application
   Color Palette: Pure White, Slate, Deep Turquoise (#0f766e), Vibrant Gold (#eab308)
   ========================================================================== */

/* ==========================================================================
   DESIGN TOKENS & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette */
    --color-primary: #0f766e;          /* Dark Turquoise / Teal (Trust, Water, Cleanliness) */
    --color-primary-dark: #115e59;     /* Deep Teal (Headings & Primary Accents) */
    --color-primary-light: #0d9488;    /* Medium Turquoise (Subtitles & Icons) */
    --color-primary-lighter: #2dd4bf;  /* Bright Turquoise (Highlights & Sparkles) */
    --color-primary-subtle: #ccfbf1;   /* Subtle Teal Background */
    
    /* Support Colors */
    --color-bg-pure: #ffffff;          /* Pure White Background */
    --color-bg-light: #f8fafc;         /* Very Light Slate Background */
    --color-bg-teal-subtle: #f0fdfa;   /* Subtle Teal Section Background */
    --color-text-main: #0f172a;        /* High Contrast Dark Slate Text */
    --color-text-muted: #475569;      /* Muted Body Text */
    --color-text-light: #94a3b8;      /* Placeholder & Subtle Text */
    --border-color: #e2e8f0;           /* Soft Border Divider */
    --border-color-light: #f1f5f9;     /* Very Light Border */

    /* Conversion CTA Colors */
    --color-accent: #eab308;           /* Vibrant Gold / Yellow CTA */
    --color-accent-hover: #ca8a04;     /* Deep Gold Hover State */
    --color-accent-text: #0f172a;      /* High Contrast Text on CTA */
    --color-whatsapp: #25d366;         /* Official WhatsApp Green */
    --color-whatsapp-dark: #128c7e;    /* WhatsApp Dark State */

    /* Typography */
    --font-primary: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Elevation & Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-accent: 0 10px 25px -5px rgba(234, 179, 8, 0.4);
    --shadow-whatsapp: 0 10px 25px -5px rgba(37, 211, 102, 0.4);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Constraints */
    --max-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

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

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

button, input, select, textarea {
    font-family: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}
::-webkit-scrollbar-thumb {
    background: var(--color-text-light);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-bg-light);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.25;
    color: var(--color-text-main);
}

h1 {
    font-size: clamp(2.1rem, 5vw, 3.25rem);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 12px;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    letter-spacing: -0.01em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   REUSABLE UTILITIES & LAYOUTS
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

@media (min-width: 992px) {
    .section {
        padding: 100px 0;
    }
}

.section-light {
    background-color: var(--color-bg-light);
}

.section-teal-subtle {
    background-color: var(--color-bg-teal-subtle);
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 56px auto;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
    margin: 16px auto 0 auto;
    border-radius: var(--radius-full);
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-top: 16px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* Buttons & CTAs - HIERARCHY OPTIMIZATION */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 700;
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    width: 100%;
}

@media (min-width: 576px) {
    .btn {
        width: auto;
    }
}

/* Primary Conversion CTA - Gold / Yellow */
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-accent-text);
    box-shadow: var(--shadow-accent);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(30deg);
    transition: none;
    animation: shine 4s infinite linear;
}

@keyframes shine {
    0% { left: -60%; }
    15% { left: 140%; }
    100% { left: 140%; }
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -4px rgba(234, 179, 8, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Secondary Action - Clean Outline with Dark Turquoise */
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary-dark);
    font-weight: 700;
}

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

.btn-whatsapp-outline {
    background-color: var(--color-whatsapp);
    color: #ffffff;
    box-shadow: var(--shadow-whatsapp);
}

.btn-whatsapp-outline:hover {
    background-color: var(--color-whatsapp-dark);
    transform: translateY(-2px);
}

/* Icons styling */
.icon-svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    flex-shrink: 0;
}

/* ==========================================================================
   NAVIGATION / HEADER - OPTIMIZED TEXT CONTRAST
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

.header-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    height: 70px;
    box-shadow: var(--shadow-md);
}

.header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: block;
}

.nav {
    display: none;
}

@media (min-width: 992px) {
    .nav {
        display: flex;
        align-items: center;
        gap: 32px;
    }
    
    .nav-list {
        display: flex;
        list-style: none;
        gap: 32px;
    }
    
    .nav-link {
        font-weight: 700;
        font-size: 0.98rem;
        color: #0f172a; /* High Contrast Dark Slate */
        transition: var(--transition-fast);
        position: relative;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 0;
        height: 3px;
        background-color: var(--color-primary);
        border-radius: var(--radius-full);
        transition: var(--transition-normal);
    }
    
    .nav-link:hover {
        color: var(--color-primary-dark);
    }
    
    .nav-link:hover::after {
        width: 100%;
    }
    
    .header-cta {
        display: inline-flex;
    }
}

.header-cta {
    display: none;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 36px;
    height: 24px;
    z-index: 110;
}

@media (min-width: 992px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-main);
    border-radius: 3px;
    transition: var(--transition-normal);
    transform-origin: left center;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(-2px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    width: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(2px);
}

/* Mobile Sidebar Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background-color: white;
    box-shadow: var(--shadow-xl);
    z-index: 105;
    padding: 100px 40px 40px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-slow);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 24px;
}

.mobile-nav-link {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 101;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   SECTION 1: HERO SECTION
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, var(--color-bg-teal-subtle) 0%, var(--color-bg-pure) 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 992px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 64px;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    margin-bottom: 36px;
    line-height: 1.7;
}

/* Clear CTA Hierarchy with distinct gap */
.hero-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

@media (min-width: 576px) {
    .hero-actions {
        flex-direction: row;
        width: auto;
        align-items: center;
    }
}

/* Trust Badges in Hero */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
    width: 100%;
}

.hero-badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.hero-badge-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Media Area */
.hero-image-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    pointer-events: none;
    z-index: 2;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition: var(--transition-slow);
}

.hero-image-wrapper:hover .hero-img {
    transform: scale(1.04);
}

/* Sparkle Floating Card */
.sparkle-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background-color: white;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 5;
    border: 1px solid var(--border-color-light);
    animation: float 4s ease-in-out infinite;
}

.sparkle-badge-icon {
    color: var(--color-accent);
}

.sparkle-badge-text h4 {
    font-size: 0.95rem;
    font-weight: 800;
}

.sparkle-badge-text p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================================================
   SECTION 2: NOSSOS SERVIÇOS (5-SERVICE GRID & WATERPROOFING SPOTLIGHT)
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--color-bg-pure);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

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

.service-icon-container {
    width: 56px;
    height: 56px;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

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

/* Waterproofing Spotlight Banner */
.imper-spotlight {
    margin-top: 56px;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-teal-subtle) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary-subtle);
    padding: 40px;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 992px) {
    .imper-spotlight {
        grid-template-columns: 1.2fr 0.8fr;
        padding: 48px;
    }
}

.imper-img-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.imper-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.imper-img-wrapper:hover .imper-img {
    transform: scale(1.05);
}

.imper-badge-floating {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(15, 23, 42, 0.85);
    color: white;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    backdrop-filter: blur(4px);
    z-index: 5;
}

/* ==========================================================================
   SECTION 3: COMPARADOR ANTES & DEPOIS SLIDER
   ========================================================================== */
.transformation-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 992px) {
    .transformation-container {
        grid-template-columns: 1fr 1fr;
    }
}

.slider-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    user-select: none;
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.slider-after {
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
    z-index: 2;
}

.slider-before {
    z-index: 1;
}

.slider-label {
    position: absolute;
    top: 20px;
    padding: 6px 16px;
    background-color: rgba(15, 23, 42, 0.75);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
    z-index: 3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.slider-label-after {
    left: 20px;
}

.slider-label-before {
    right: 20px;
}

.slider-range-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 10;
    cursor: ew-resize;
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background-color: white;
    z-index: 4;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.slider-handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: white;
    color: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    font-size: 1.25rem;
    font-weight: bold;
}

.transformation-intro {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.transformation-intro h3 {
    margin-bottom: 16px;
}

.transformation-intro p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.transformation-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.transformation-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.transformation-feature-item svg {
    color: var(--color-primary);
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   SECTION 4: TESTIMONIALS CAROUSEL - HIGHLIGHTED GOLD STARS
   ========================================================================== */
.testimonials-section {
    position: relative;
    margin-top: 40px;
}

.carousel-viewport {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.4s ease-out;
}

.testimonial-card {
    min-width: 100%;
    padding: 12px;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .testimonial-card {
        min-width: 50%;
    }
}

@media (min-width: 992px) {
    .testimonial-card {
        min-width: 33.333%;
    }
}

.testimonial-content {
    background-color: var(--color-bg-pure);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-stars {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    align-items: center;
}

.testimonial-stars .icon-svg {
    width: 22px;
    height: 22px;
    color: #f59e0b; /* Bright Amber Gold Star */
    filter: drop-shadow(0 1px 2px rgba(245, 158, 11, 0.3));
}

.testimonial-stars .star-gray {
    color: #cbd5e1; /* Soft Slate Gray for 4th/5th missing star */
    filter: none;
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-main);
    margin-bottom: 24px;
    font-size: 0.98rem;
    line-height: 1.6;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.testimonial-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
}

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

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-text-light);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.carousel-dot.active {
    width: 28px;
    background-color: var(--color-primary);
}

/* ==========================================================================
   SECTION 5: COMO FUNCIONA - ANIMATED PROCESS STEPS
   ========================================================================== */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    position: relative;
}

@media (min-width: 992px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    background-color: var(--color-bg-pure);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary-subtle), #ffffff);
    border: 2px solid var(--color-primary-light);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    position: relative;
}

.step-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    background-color: var(--color-accent);
    color: var(--color-accent-text);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(234, 179, 8, 0.4);
}

.step-card h3 {
    margin-bottom: 12px;
}

.step-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   SECTION 6: FAQ ACCORDION
   ========================================================================== */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-bg-pure);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 16px;
}

.faq-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: bold;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.faq-item.active .faq-icon {
    background-color: var(--color-primary);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    transition: max-height 0.4s ease-in-out;
    padding: 0 24px 24px 24px;
}

.faq-answer p {
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.98rem;
}

/* ==========================================================================
   SECTION 7: FOOTER & FINAL CTA (SINGLE PROMINENT YELLOW BUTTON)
   ========================================================================== */
.footer-cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
    border-radius: var(--radius-lg);
    padding: 56px 36px;
    text-align: center;
    margin-bottom: 80px;
    box-shadow: var(--shadow-xl);
}

.footer-cta h2 {
    color: white;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.footer-cta h2::after {
    display: none;
}

.footer-cta p {
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 36px auto;
    opacity: 0.95;
    line-height: 1.7;
}

.footer-main {
    border-top: 1px solid var(--border-color);
    padding-top: 60px;
    padding-bottom: 40px;
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-about p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 360px;
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

/* ==========================================================================
   WHATSAPP FLOATING BUBBLE & BUTTON
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.whatsapp-bubble {
    background-color: white;
    color: var(--color-text-main);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    font-size: 0.88rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    animation: float 4s ease-in-out infinite;
}

.whatsapp-bubble::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 24px;
    border-width: 8px 8px 0;
    border-style: solid;
    border-color: white transparent;
    display: block;
    width: 0;
}

.whatsapp-bubble-close {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

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

.whatsapp-btn-round {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background-color: var(--color-whatsapp);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-whatsapp);
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.whatsapp-btn-round:hover {
    background-color: var(--color-whatsapp-dark);
    transform: scale(1.08);
}