/* ========================================
   LUMEM HAIR - MODERN DESIGN SYSTEM
   ======================================== */

/* === CSS VARIABLES === */
:root {
    /* Colors - Rosa Vibrante Theme */
    --primary: #FF1493;
    --primary-dark: #C71585;
    --primary-light: #FF69B4;
    --secondary: #9B30FF;
    --accent: #FFD700;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF1493 0%, #FF69B4 50%, #9B30FF 100%);
    --gradient-secondary: linear-gradient(135deg, #9B30FF 0%, #FF1493 100%);
    --gradient-accent: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-soft: linear-gradient(135deg, #FFE5F1 0%, #FFB3D9 100%);
    
    /* Neutrals */
    --white: #FFFFFF;
    --black: #0A0A0A;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-700: #495057;
    --gray-900: #212529;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Quicksand', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 32px rgba(255, 20, 147, 0.4);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--gray-900);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.2;
}

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 200, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 4px rgba(255, 20, 147, 0.3));
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link-cta {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    background: var(--gradient-primary);
    color: var(--white);
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    filter: blur(60px);
}

.hero-circle-1 {
    width: 500px;
    height: 500px;
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -150px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-circle-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 215, 0, 0.2);
    border: 2px solid var(--accent);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    line-height: 1.1;
}

.highlight {
    display: inline-block;
    /* Remove sublinhado/destaque */
}
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    font-weight: 500;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.9;
    text-align: center;
}

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

.product-showcase {
    position: relative;
    animation: hero-float 4s ease-in-out infinite;
}

@keyframes hero-float {
    0%, 100% { 
        transform: translateY(0px);
    }
    50% { 
        transform: translateY(-15px);
    }
}

.product-img {
    max-width: 500px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    position: relative;
    z-index: 2;
    animation: subtle-scale 6s ease-in-out infinite;
}

@keyframes subtle-scale {
    0%, 100% { 
        transform: scale(1);
    }
    50% { 
        transform: scale(1.05);
    }
}

.product-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.5) 0%, rgba(255, 105, 180, 0.3) 40%, transparent 70%);
    filter: blur(50px);
    z-index: 1;
    animation: glow-intense 3s ease-in-out infinite alternate;
}

@keyframes glow-intense {
    0% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
}

.hero-wave svg {
    width: 100%;
    height: auto;
    display: block;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--black);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* === SECTION HEADER === */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-700);
}

/* === BENEFITS SECTION === */
.benefits {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gradient-soft);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.benefit-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.benefit-text {
    color: var(--gray-700);
}

/* === BEFORE/AFTER SECTION === */
.before-after {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-100);
}

.transformations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.transformation-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.transformation-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.transformation-image {
    width: 100%;
    height: 300px;
    background: var(--gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    position: relative;
    overflow: hidden;
}

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

.transformation-info {
    padding: var(--spacing-lg);
}

.transformation-info h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.transformation-info p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.transformation-name {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-700);
    font-weight: 600;
}

/* === PRODUCT SECTION === */
.product-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.product-image-side {
    position: relative;
}

.product-detail-img {
    max-width: 500px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(155, 48, 255, 0.3));
    animation: product-float 3s ease-in-out infinite;
    position: relative;
}

.product-image-side {
    position: relative;
}

.product-image-side::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 20, 147, 0.2) 0%, rgba(155, 48, 255, 0.15) 40%, transparent 70%);
    border-radius: 50%;
    animation: glow-pulse 4s ease-in-out infinite;
    z-index: -1;
}

@keyframes product-float {
    0%, 100% { 
        transform: translateY(0px) scale(1);
    }
    50% { 
        transform: translateY(-20px) scale(1.03);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.product-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--black);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.product-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.ingredients-list {
    margin-bottom: var(--spacing-xl);
}

.ingredients-list h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.ingredient-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: var(--gradient-soft);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* === TESTIMONIALS === */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-soft);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 6rem;
    color: var(--primary);
    opacity: 0.1;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stars {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.author-name {
    font-weight: 700;
    color: var(--gray-900);
}

.author-age {
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* === PRICING SECTION === */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-secondary);
    color: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--white);
    color: var(--gray-900);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: visible;
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.pricing-card-featured {
    border: 3px solid var(--accent);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
    color: var(--black);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
    animation: pulse 2s ease-in-out infinite;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-bottles {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
}

.price-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.price-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.price-installment {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
}

.feature {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.feature:last-child {
    border-bottom: none;
}

.pricing-trust {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

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

/* === GUARANTEE SECTION === */
.guarantee {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.guarantee-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.guarantee-badge-large {
    display: flex;
    justify-content: center;
}

.guarantee-circle {
    width: 250px;
    height: 250px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-glow);
    position: relative;
}

.guarantee-circle::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 3px dashed var(--accent);
    animation: rotate-slow 30s linear infinite;
}

.guarantee-days {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
}

.guarantee-label {
    font-size: 1.5rem;
    font-weight: 700;
}

.guarantee-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guarantee-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.8;
}

/* === FAQ SECTION === */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-soft);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: var(--spacing-lg);
    font-weight: 700;
    font-size: 1.125rem;
    background: var(--gradient-primary);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    padding-left: calc(var(--spacing-lg) + var(--spacing-sm));
}

.faq-answer {
    padding: var(--spacing-lg);
    color: var(--gray-700);
    line-height: 1.8;
}

/* === FOOTER === */
.footer {
    background: var(--black);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    opacity: 0.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent);
}

.footer-links a {
    display: block;
    padding: var(--spacing-xs) 0;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent);
    padding-left: var(--spacing-xs);
}

.footer-contact p {
    padding: var(--spacing-xs) 0;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
    margin: var(--spacing-xs) 0;
}

.footer-copy {
    margin-top: var(--spacing-md);
    font-weight: 700;
    opacity: 1 !important;
}

/* === WHATSAPP BUTTON === */
.whatsapp-button {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 64px;
    height: 64px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition-base);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 968px) {
    .hero-content,
    .product-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .product-detail-img {
        max-width: 350px;
    }
    
    .nav {
        display: none;
    }
    
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .guarantee-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .guarantee-circle {
        width: 200px;
        height: 200px;
    }
    
    .guarantee-days {
        font-size: 4rem;
    }
    
    .pricing-card-featured {
        transform: scale(1);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .product-img {
        max-width: 300px;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .whatsapp-button {
        width: 56px;
        height: 56px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}