/* Modern Medical Device Design - Complete Redesign */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Roboto:wght@300;400;500;700&display=swap');

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

:root {
    --primary-color: #2563EB;
    --primary-dark: #1E40AF;
    --primary-light: #3B82F6;
    --secondary-color: #059669;
    --accent-color: #DC2626;
    --accent-orange: #F97316;
    --bg-dark: #0F172A;
    --bg-dark-light: #1E293B;
    --bg-white: #FFFFFF;
    --bg-gray: #F8FAFC;
    --bg-gray-light: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: #64748B;
    --text-white: #FFFFFF;
    --border-color: #E2E8F0;
    --border-dark: #334155;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header - Dark Modern Design */
.header {
    background: var(--bg-dark);
    color: var(--text-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    border-bottom: 2px solid var(--primary-color);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: all 0.3s;
    text-transform: uppercase;
}

.logo:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.header-nav {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.header-nav a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 0.95rem;
    position: relative;
    font-family: 'Poppins', sans-serif;
}

.header-nav a:hover {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-light);
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.header-nav a:hover::after {
    width: 80%;
}

/* Hero Section - Bold Dark Design */
.hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-light) 100%);
    color: var(--text-white);
    padding: 5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 4s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 5s ease-in-out infinite reverse;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    letter-spacing: -1px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-image {
    margin-top: 3rem;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-2xl);
    border: 3px solid var(--primary-color);
    transform: perspective(1000px) rotateY(-2deg);
    transition: transform 0.5s;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 1.5rem auto 0;
    line-height: 1.7;
    font-weight: 400;
}

.section-intro-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 900px;
    margin: 2rem auto;
    line-height: 1.8;
    text-align: center;
    padding: 2rem;
    background: var(--bg-gray);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* Product Section */
.product-section {
    padding: 5rem 0;
    background: var(--bg-gray);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.product-image {
    position: sticky;
    top: 100px;
}

.carousel-container {
    position: relative;
    width: 100%;
    border-radius: 25px 5px 25px 5px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--bg-white);
    border: 3px solid var(--border-color);
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 550px;
    overflow: hidden;
    background: var(--bg-white);
}

.carousel-slide {
    display: none;
    width: 100%;
    height: 100%;
}

.carousel-slide.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(1.05); }
    to { opacity: 1; transform: scale(1); }
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-dots {
    text-align: center;
    padding: 15px 0;
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    justify-content: center;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s;
    border: 2px solid var(--bg-white);
}

.dot.active,
.dot:hover {
    background-color: var(--primary-color);
    transform: scale(1.3);
    width: 24px;
    border-radius: 12px;
}

.product-info h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.product-description {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.product-comfort-info {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 0 20px 20px 0;
    margin-bottom: 2rem;
    border: 2px solid var(--border-color);
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    position: relative;
}

.product-comfort-info::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 0 4px 4px 0;
}

.product-comfort-info h3 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-comfort-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.product-features {
    margin-bottom: 2.5rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding: 1.75rem;
    background: var(--bg-white);
    border-radius: 0 20px 20px 0;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    border-left: 5px solid var(--primary-color);
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 0);
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 0 4px 4px 0;
}

.feature:hover {
    transform: translateX(10px) translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    border-left-width: 6px;
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50% 20% 50% 20%;
    box-shadow: var(--shadow-md);
    transform: rotate(-5deg);
    transition: transform 0.3s;
}

.feature:hover .feature-icon-wrapper {
    transform: rotate(5deg) scale(1.1);
}

.feature-icon {
    font-size: 1.75rem;
    transform: rotate(5deg);
}

.feature-text {
    flex: 1;
}

.feature-text strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.feature-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    padding: 1.125rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    text-decoration: none;
    display: block;
    text-align: center;
    box-shadow: var(--shadow-lg);
    letter-spacing: 0.3px;
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

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

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: 3.5rem;
    padding: 2.5rem 0;
}

.btn-cta {
    max-width: 400px;
    margin: 0 auto;
    font-size: 1.125rem;
    padding: 1.25rem 3rem;
    display: inline-block;
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    background: var(--bg-gray);
    padding: 2.5rem;
    border-radius: 30px 10px 30px 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--border-color);
    clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(37, 99, 235, 0.1) 50%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.5s;
}

.benefit-item:hover::before {
    left: 100%;
}

.benefit-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 30px 10px 0 0;
}

.benefit-item:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    background: var(--bg-white);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
    transform: scale(1);
    transition: transform 0.3s;
    position: relative;
    z-index: 1;
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.15) rotate(5deg);
}

.benefit-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: var(--bg-gray);
}

.application-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    margin-top: 3rem;
}

.step-item {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px 20px 20px 5px;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: all 0.3s;
    border: 2px solid var(--border-color);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.step-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 20px 20px;
    border-color: transparent transparent var(--primary-color) transparent;
    transition: all 0.3s;
}

.step-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.step-item:hover::before {
    border-width: 0 0 25px 25px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    border-radius: 50% 20% 50% 20%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
    font-family: 'Poppins', sans-serif;
    transform: rotate(-5deg);
    transition: transform 0.3s;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.step-item:hover .step-number {
    transform: rotate(5deg) scale(1.1);
}

.step-item h3 {
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.step-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.usage-note {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border-left: 4px solid var(--warning);
    padding: 1.75rem;
    border-radius: 12px;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow-md);
}

.usage-note p {
    color: #92400E;
    margin: 0;
    line-height: 1.8;
    font-size: 1rem;
}

/* Ingredients Section */
.ingredients-section {
    padding: 5rem 0;
    background: var(--bg-white);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.ingredient-item {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 25px 5px 25px 5px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.ingredient-item::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    border-radius: 25px 5px 25px 5px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.ingredient-item:hover::before {
    opacity: 1;
}

.ingredient-item:hover {
    transform: translateY(-10px) rotate(-1deg);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
    background: var(--bg-white);
}

.ingredient-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.ingredient-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* Why Choose Section */
.why-choose-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-light) 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.why-choose-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="60" height="60" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.why-choose-section .section-title {
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.why-choose-section .section-title::after {
    background: var(--primary-color);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    max-width: 1100px;
    margin: 3rem auto 0;
    position: relative;
    z-index: 1;
}

.why-choose-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.why-choose-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
    border-color: rgba(255, 255, 255, 0.3);
}

.check-icon {
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    background: rgba(37, 99, 235, 0.3);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.why-choose-item span:last-child {
    color: var(--text-white);
    line-height: 1.7;
    font-size: 1rem;
}

/* Guarantee Section */
.guarantee {
    padding: 5rem 0;
    background: var(--bg-gray);
}

.guarantee-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.guarantee-item {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--border-color);
    position: relative;
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.guarantee-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 0 0 15px 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.guarantee-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 15px 0 0 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.guarantee-item:hover::before,
.guarantee-item:hover::after {
    opacity: 1;
}

.guarantee-item:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.guarantee-icon {
    font-size: 4rem;
    margin-bottom: 1.25rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
    transform: scale(1) rotate(0deg);
    transition: transform 0.3s;
}

.guarantee-item:hover .guarantee-icon {
    transform: scale(1.2) rotate(10deg);
}

.guarantee-item h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.guarantee-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background: var(--bg-white);
}

.faq-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-gray);
    border: 2px solid var(--border-color);
    border-radius: 0 15px 15px 0;
    padding: 2rem;
    margin-bottom: 1.25rem;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 0 4px 4px 0;
    transform: scaleY(0);
    transition: transform 0.3s;
}

.faq-item:hover::before {
    transform: scaleY(1);
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
    border-left-width: 6px;
    background: var(--bg-white);
}

.faq-item h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-light) 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="60" height="60" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.contact-section .section-title::after {
    background: var(--primary-color);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 4rem 0;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.contact-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px 5px 20px 5px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    min-width: 260px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.5s;
}

.contact-item:hover::before {
    top: -100%;
    right: -100%;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px) rotate(1deg);
    border-color: rgba(255, 255, 255, 0.4);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.contact-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transform: scale(1);
    transition: transform 0.3s;
    position: relative;
    z-index: 1;
}

.contact-item:hover .contact-icon {
    transform: scale(1.15) rotate(-5deg);
}

.contact-item strong {
    display: block;
    font-size: 1.25rem;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.contact-item span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
    border-top: 2px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-dark);
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .logo {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-column h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 1.25rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: inline-block;
}

.footer-column ul li a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.footer-column strong {
    color: var(--text-white);
    font-weight: 600;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-top: 2rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.footer-legal {
    margin-bottom: 2rem;
}

.footer-legal h3 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-white);
    margin-bottom: 1.25rem;
    font-size: 1.375rem;
    font-weight: 600;
}

.legal-info {
    margin-bottom: 2rem;
}

.legal-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.legal-info strong {
    color: var(--text-white);
    font-weight: 600;
}

.health-notice {
    background: rgba(37, 99, 235, 0.1);
    padding: 1.75rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.health-notice h4 {
    color: var(--text-white);
    margin-bottom: 1rem;
    font-size: 1.0625rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.health-notice p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    font-size: 0.95rem;
}

.contact-info-footer {
    margin-bottom: 2rem;
}

.contact-info-footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.contact-info-footer strong {
    color: var(--text-white);
    font-weight: 600;
}

/* Legal Pages */
.legal-page {
    padding: 5rem 0;
    min-height: 70vh;
    background: var(--bg-gray);
}

.legal-page h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.75rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
    font-weight: 700;
    text-align: center;
}

.legal-page section {
    margin-bottom: 3rem;
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.legal-page h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.875rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.legal-page h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.legal-page p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.legal-page ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-page ul li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.legal-page a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.legal-page a:hover {
    text-decoration: underline;
}

.withdrawal-form {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    border: 2px solid var(--border-color);
}

.withdrawal-form p {
    margin-bottom: 1.5rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-image {
        position: static;
    }

    .carousel-slides {
        height: 400px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }

    .header-nav {
        justify-content: center;
        gap: 0.5rem;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .subtitle {
        font-size: 1.0625rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .benefits-grid,
    .ingredients-grid,
    .guarantee-content,
    .application-steps {
        grid-template-columns: 1fr;
    }

    .why-choose-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
    }

    .legal-page h1 {
        font-size: 2rem;
    }
}

/* Image Placeholders */
img {
    max-width: 100%;
    height: auto;
}

.product-image img,
.carousel-slide img {
    background-color: var(--bg-gray);
    min-height: 200px;
    display: block;
}