/* ==========================================================================
   Dental Bio Care - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-off-white: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-black: #000000;
    
    --color-primary: #2C2C2C;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-accent-red: #8B2332;
    --color-accent-gold: #C9A96E;
    
    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-hero: clamp(2.5rem, 5vw, 4rem);
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.02em;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --header-height: 80px;
    
    /* Borders & Shadows */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Animation */
    --animation-duration: 0.6s;
    --animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent-red);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Skip Link (Accessibility) */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-4);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */

/* Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Float animation for product image */
.float-animation {
    animation: float 4s ease-in-out infinite;
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--animation-duration) var(--animation-easing),
                transform var(--animation-duration) var(--animation-easing);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero-specific animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s var(--animation-easing) forwards;
}

.animate-fade-up.delay-1 {
    animation-delay: 0.15s;
}

.animate-fade-up.delay-2 {
    animation-delay: 0.3s;
}

.animate-fade-up.delay-3 {
    animation-delay: 0.45s;
}

.animate-on-scroll.is-visible .faq-item {
    animation: fadeInUp 0.5s var(--animation-easing) forwards;
}

.animate-on-scroll.is-visible .faq-item:nth-child(1) { animation-delay: 0.1s; }
.animate-on-scroll.is-visible .faq-item:nth-child(2) { animation-delay: 0.2s; }
.animate-on-scroll.is-visible .faq-item:nth-child(3) { animation-delay: 0.3s; }
.animate-on-scroll.is-visible .faq-item:nth-child(4) { animation-delay: 0.4s; }

/* Staggered testimonial card animations */
.animate-on-scroll.is-visible .testimonial-card {
    animation: fadeInUp 0.6s var(--animation-easing) forwards;
}

.animate-on-scroll.is-visible .testimonial-card:nth-child(1) { animation-delay: 0.1s; }
.animate-on-scroll.is-visible .testimonial-card:nth-child(2) { animation-delay: 0.25s; }

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
    
    .float-animation {
        animation: none;
    }
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-6);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-gray-800);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-submit {
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    cursor: pointer;
}

.btn-submit:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-white);
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-normal), 
                box-shadow var(--transition-normal),
                background-color var(--transition-normal);
}

.header.scrolled {
    border-bottom-color: var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.logo:hover {
    color: var(--color-primary);
    transform: scale(1.02);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    object-fit: contain;
}

.logo-text {
    letter-spacing: var(--letter-spacing-tight);
}

/* Main Navigation */
.main-nav {
    display: none;
}

@media (min-width: 768px) {
    .main-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-item a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    padding: var(--spacing-2) 0;
    position: relative;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-item a:hover::after {
    width: 100%;
}

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

/* Header CTA */
.header-cta {
    display: none;
}

@media (min-width: 768px) {
    .header-cta {
        display: inline-flex;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: var(--spacing-2);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background-color: var(--color-primary);
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-normal);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--header-height) + var(--spacing-16)) var(--container-padding) var(--spacing-8);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.hero-title .plus {
    color: var(--color-accent-red);
    font-weight: var(--font-weight-light);
    transition: transform var(--transition-fast);
    display: inline-block;
}

.hero-title:hover .plus {
    transform: scale(1.1);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-8);
    font-weight: var(--font-weight-light);
}

/* --------------------------------------------------------------------------
   Product Section
   -------------------------------------------------------------------------- */
.product-section {
    padding: var(--spacing-8) 0 var(--spacing-16);
}

.product-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image {
    max-width: 380px;
    width: 100%;
    height: auto;
    mix-blend-mode: multiply;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Product Details Section (Нашият продукт)
   -------------------------------------------------------------------------- */
.product-details-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-off-white);
}

.product-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

@media (min-width: 768px) {
    .product-details-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }
}

.product-details-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.product-details-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
}

.product-details-text:last-of-type {
    margin-bottom: var(--spacing-4);
}

/* Nutritional Table */
.nutritional-table-wrapper {
    margin-bottom: var(--spacing-6);
}

.nutritional-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.ingredient-detail {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.nutritional-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.nutritional-table th,
.nutritional-table td {
    padding: var(--spacing-2) var(--spacing-3);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
    vertical-align: top;
}

.nutritional-table th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    background-color: var(--color-gray-100);
    border-bottom: 2px solid var(--color-gray-300);
}

.nutritional-table td:nth-child(2),
.nutritional-table td:nth-child(3),
.nutritional-table th:nth-child(2),
.nutritional-table th:nth-child(3) {
    text-align: right;
}

.nutritional-table tbody tr:nth-child(even) {
    background-color: var(--color-white);
}

.nutritional-table tbody tr:nth-child(odd) {
    background-color: var(--color-gray-100);
}

.nutritional-table tbody tr:hover {
    background-color: var(--color-gray-200);
}

.nutritional-table td {
    color: var(--color-text-light);
}

.nutritional-footnote {
    margin-top: var(--spacing-3);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Mission Section
   -------------------------------------------------------------------------- */
.mission-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-off-white);
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

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

.mission-content {
    order: 2;
}

@media (min-width: 768px) {
    .mission-content {
        order: 1;
    }
}

.mission-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-8);
}

.mission-image-wrapper {
    order: 1;
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .mission-image-wrapper {
        order: 2;
    }
}

.mission-image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.mission-image:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   About Us Section (За нас)
   -------------------------------------------------------------------------- */
.about-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--spacing-16);
    }
}

.about-image-wrapper {
    display: flex;
    justify-content: center;
}

.about-image {
    max-width: 280px;
    width: 100%;
    height: auto;
    transition: transform var(--transition-normal);
    mix-blend-mode: multiply;
}

.about-image:hover {
    transform: scale(1.02);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.about-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Testimonials Section (Препоръчан от експерти)
   -------------------------------------------------------------------------- */
.testimonials-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-10);
    }
}

.testimonial-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    transition: transform var(--transition-normal), 
                box-shadow var(--transition-normal),
                border-color var(--transition-normal);
    opacity: 0;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gray-300);
}

.testimonial-date {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.testimonial-avatar {
    display: flex;
    justify-content: center;
}

.avatar-image {
    width: 140px;
    height: 160px;
    border-radius: var(--border-radius-md);
    object-fit: cover;
    object-position: center top;
    border: none;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.testimonial-card:hover .avatar-image {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.avatar-placeholder {
    width: 140px;
    height: 160px;
    border-radius: var(--border-radius-md);
    background-color: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    overflow: hidden;
}

.avatar-placeholder svg {
    width: 48px;
    height: 48px;
}

.testimonial-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-align: center;
    margin-top: var(--spacing-2);
}

.testimonial-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-red);
    text-align: center;
    min-height: 1.4em;
    line-height: var(--line-height-normal);
}

.testimonial-quote {
    margin: 0;
    padding: 0;
    border: none;
    margin-top: auto;
}

.testimonial-quote p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Statistics Section
   -------------------------------------------------------------------------- */
.statistics-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-white);
}

.statistics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-10);
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: var(--spacing-2);
    padding: var(--spacing-6);
    opacity: 0;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-red);
    line-height: 1;
    letter-spacing: var(--letter-spacing-tight);
}

.stat-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    line-height: var(--line-height-normal);
}

.stat-description {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-top: var(--spacing-2);
}

.stat-source {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    font-style: italic;
    margin-top: var(--spacing-2);
}

.animate-on-scroll.is-visible .stat-item {
    animation: fadeInUp 0.5s var(--animation-easing) forwards;
}

.animate-on-scroll.is-visible .stat-item:nth-child(1) { animation-delay: 0.1s; }
.animate-on-scroll.is-visible .stat-item:nth-child(2) { animation-delay: 0.2s; }
.animate-on-scroll.is-visible .stat-item:nth-child(3) { animation-delay: 0.3s; }
.animate-on-scroll.is-visible .stat-item:nth-child(4) { animation-delay: 0.4s; }

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-off-white);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
    opacity: 0;
    overflow: hidden;
}

.faq-item:first-child {
    border-top: 1px solid var(--color-gray-200);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-5) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    transition: color var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '';
    width: 12px;
    height: 12px;
    border-right: 2px solid var(--color-gray-500);
    border-bottom: 2px solid var(--color-gray-500);
    transform: rotate(45deg);
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    margin-left: var(--spacing-4);
}

.faq-item[open] .faq-question::after {
    transform: rotate(-135deg);
}

.faq-question:hover {
    color: var(--color-accent-red);
}

.faq-answer {
    padding-bottom: var(--spacing-5);
    animation: fadeIn 0.3s ease;
}

.faq-answer p {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Contact Form Section
   -------------------------------------------------------------------------- */
.contact-form-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

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

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

@media (min-width: 768px) {
    .contact-info {
        text-align: left;
    }
}

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

.contact-email {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-5);
}

@media (min-width: 480px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 44, 44, 0.1);
}

.form-input:hover {
    border-color: var(--color-gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

.btn-submit:hover {
    background-color: var(--color-gray-800);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
    padding: var(--spacing-24) 0;
    background-color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-primary);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-tight);
}

.cta-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-8);
    line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-gray-100);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
    margin-bottom: var(--spacing-12);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.footer-brand .logo {
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-brand .logo {
        justify-content: flex-start;
    }
}

.footer-logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

.footer-description {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    max-width: 350px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .footer-description {
        margin: 0;
    }
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-nav-list a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-block;
}

.footer-nav-list a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .social-links {
        justify-content: flex-start;
    }
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    color: var(--color-text-light);
    transition: color var(--transition-fast), 
                background-color var(--transition-fast),
                transform var(--transition-fast);
}

.social-link:hover {
    color: var(--color-primary);
    background-color: var(--color-gray-200);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-200);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.footer-bottom a {
    color: var(--color-text-light);
}

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

/* --------------------------------------------------------------------------
   Mobile Navigation Overlay
   -------------------------------------------------------------------------- */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background-color: var(--color-white);
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-nav-overlay.active .mobile-nav {
    transform: translateX(0);
}

.mobile-nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: auto;
    margin-bottom: var(--spacing-8);
    color: var(--color-text);
    transition: transform var(--transition-fast);
}

.mobile-nav-close:hover {
    transform: rotate(90deg);
}

.mobile-nav-close svg {
    width: 24px;
    height: 24px;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-nav-list a {
    display: block;
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-gray-200);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav-list a:hover {
    color: var(--color-accent-red);
    padding-left: var(--spacing-2);
}

/* --------------------------------------------------------------------------
   Floating Language Switcher
   -------------------------------------------------------------------------- */
.floating-lang-switcher {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    z-index: 90;
    display: block;
}

.floating-lang-switcher.open {
    z-index: 100;
}

.floating-lang-switcher .lang-current {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.floating-lang-switcher .lang-current:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    background-color: var(--color-gray-800);
}

.floating-lang-switcher.open .lang-current {
    background-color: var(--color-gray-800);
}

.floating-lang-switcher .globe-icon {
    flex-shrink: 0;
}

.floating-lang-switcher .lang-current-text {
    min-width: auto;
}

.floating-lang-switcher .lang-dropdown {
    position: absolute !important;
    top: auto !important;
    bottom: calc(100% + 8px) !important;
    right: 0 !important;
    left: auto !important;
    min-width: 140px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 200;
    list-style: none;
    padding: 8px 0;
    margin: 0;
}

.floating-lang-switcher.open .lang-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.floating-lang-switcher .lang-dropdown li {
    margin: 0;
}

.floating-lang-switcher .lang-option {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    white-space: nowrap;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.floating-lang-switcher .lang-option:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.floating-lang-switcher .lang-option.active {
    color: var(--color-accent-red);
    font-weight: var(--font-weight-semibold);
}

/* --------------------------------------------------------------------------
   Legacy Language Switcher (Header - kept for reference)
   -------------------------------------------------------------------------- */
.lang-switcher:not(.floating-lang-switcher) {
    display: none;
    position: relative;
    margin-right: var(--spacing-4);
}

.lang-current {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background-color: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.lang-current:hover {
    border-color: var(--color-gray-400);
    background-color: var(--color-gray-100);
}

.lang-switcher.open .lang-current {
    border-color: var(--color-primary);
}

.lang-current-text {
    min-width: 20px;
    text-align: center;
}

.lang-chevron {
    transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-1));
    right: 0;
    min-width: 100%;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    z-index: 110;
    list-style: none;
    padding: var(--spacing-1) 0;
    margin: 0;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    margin: 0;
}

.lang-option {
    display: block;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    white-space: nowrap;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.lang-option:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.lang-option.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    background-color: var(--color-gray-50);
}

/* Mobile Language Switcher */
.mobile-lang-switcher {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.mobile-lang-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-right: var(--spacing-2);
}

.mobile-lang-option {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-fast);
}

.mobile-lang-option:hover {
    color: var(--color-primary);
    border-color: var(--color-gray-400);
    background-color: var(--color-gray-100);
}

.mobile-lang-option.active {
    color: var(--color-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
    :root {
        --container-padding: 1rem;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero {
        min-height: 40vh;
        padding-top: calc(var(--header-height) + var(--spacing-12));
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .product-image {
        max-width: 280px;
    }
    
    .mission-section,
    .statistics-section,
    .faq-section,
    .testimonials-section,
    .product-details-section,
    .about-section {
        padding: var(--spacing-16) 0;
    }
    
    .contact-form-section {
        padding: var(--spacing-16) 0;
    }
    
    .cta-section {
        padding: var(--spacing-16) 0;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

/* --------------------------------------------------------------------------
   Legal Pages (Privacy, Terms, Cookies)
   -------------------------------------------------------------------------- */
.legal-page {
    padding: calc(var(--header-height) + var(--spacing-12)) 0 var(--spacing-20);
    min-height: 100vh;
    background-color: var(--color-off-white);
}

.legal-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.legal-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-10);
}

.legal-section {
    margin-bottom: var(--spacing-8);
}

.legal-section h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.legal-section h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-top: var(--spacing-4);
    margin-bottom: var(--spacing-2);
}

.legal-section p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-3);
}

.legal-section ul {
    margin-left: var(--spacing-6);
    margin-bottom: var(--spacing-4);
}

.legal-section li {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2);
    list-style-type: disc;
}

.legal-back-btn {
    margin-top: var(--spacing-8);
}

/* --------------------------------------------------------------------------
   Success Popup
   -------------------------------------------------------------------------- */
.popup-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-10);
    max-width: 420px;
    width: 100%;
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.popup-close:hover {
    color: var(--color-primary);
}

.popup-close svg {
    width: 20px;
    height: 20px;
}

.popup-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-6);
    background-color: #22c55e;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.popup-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-white);
}

.popup-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.popup-message {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-relaxed);
}

.popup-btn {
    min-width: 120px;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .header,
    .mobile-menu-btn,
    .mobile-nav-overlay,
    .skip-link,
    .cta-section {
        display: none !important;
    }
    
    .hero {
        padding-top: var(--spacing-8);
    }
    
    body {
        font-size: 12pt;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}