/* ============================================
   Laboratory Showcase Website - Main Stylesheet
   Medical/Pharmaceutical Professional Design
   ============================================ */

/* ============================================
   CSS Variables & Reset
   Modern Medical/Pharmaceutical Design System
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700&family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
    /* Primary Colors - Medical Trust */
    --primary-color: #0A5F8C;
    --primary-dark: #064A6B;
    --primary-light: #1B8CD8;
    
    /* Accent Colors */
    --accent-color: #00B4A6;
    --accent-success: #10B981;
    --accent-warning: #F59E0B;
    
    /* Neutral Palette */
    --text-dark: #1F2937;
    --text-medium: #4B5563;
    --text-light: #6B7280;
    --text-lighter: #9CA3AF;
    
    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --bg-dark: #1F2937;
    
    /* Borders & Dividers */
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;
    
    /* Shadows - Enhanced */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 12px 24px rgba(10, 95, 140, 0.15);
    --shadow-primary: 0 4px 12px rgba(10, 95, 140, 0.3);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* Spacing System (8px grid) - Unified Tokens */
    --spacing-xs: 0.5rem;      /* 8px */
    --spacing-sm: 1rem;        /* 16px */
    --spacing-md: 1.5rem;       /* 24px */
    --spacing-lg: 2rem;        /* 32px */
    --spacing-xl: 3rem;        /* 48px */
    --spacing-2xl: 4rem;       /* 64px */
    --spacing-3xl: 6rem;       /* 96px */
    
    /* Section Padding - Consistent */
    --section-padding-y: clamp(3rem, 8vw, 6rem);
    --section-padding-x: clamp(1rem, 4vw, 2rem);
    
    /* Container Padding */
    --container-padding: clamp(1rem, 4vw, 2rem);
    
    /* Component Spacing */
    --component-gap: clamp(1.5rem, 4vw, 3rem);
    --card-padding: clamp(1.5rem, 4vw, 2.5rem);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: opacity 0.3s ease;
    width: 100%;
    position: relative;
}

/* RTL Support */
html[dir="rtl"] {
    direction: rtl;
}

html[dir="rtl"] body {
    font-family: 'Cairo', 'IBM Plex Sans Arabic', 'Inter', sans-serif;
    line-height: 1.8;
}

html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] h5,
html[dir="rtl"] h6 {
    font-family: 'Cairo', 'IBM Plex Sans Arabic', 'Poppins', sans-serif;
    line-height: 1.5;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

h3 {
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: clamp(0.75rem, 1.5vw, 1rem);
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: clamp(0.75rem, 1.5vw, 1rem);
}

p {
    margin-bottom: clamp(0.75rem, 1.5vw, 1rem);
    color: var(--text-medium);
    font-size: clamp(0.9375rem, 2vw, 1rem);
    line-height: 1.7;
}

p.lead {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-medium);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

header.scrolled {
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.8;
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.01em;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-logo .logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: clamp(0.75rem, 2vw, 1.5rem);
    align-items: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    padding: clamp(0.5rem, 1.5vw, 0.625rem) clamp(1rem, 2.5vw, 1.25rem);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    font-size: clamp(0.875rem, 2vw, 0.9375rem);
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
    border-radius: var(--radius-full);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ============================================
   Language Switcher - Premium Design
   ============================================ */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    padding: 0.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    order: 2;
}

.language-switcher:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-medium);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
    position: relative;
    min-width: 44px;
    text-align: center;
}

.lang-btn:hover {
    color: var(--primary-color);
    background: rgba(10, 95, 140, 0.05);
}

.lang-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(10, 95, 140, 0.25);
}

.lang-btn.active:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(10, 95, 140, 0.35);
}

/* RTL Support for Language Switcher */
html[dir="rtl"] .language-switcher {
    order: -1;
}

html[dir="rtl"] nav {
    flex-direction: row-reverse;
}

html[dir="rtl"] .nav-links {
    flex-direction: row-reverse;
}

html[dir="rtl"] .nav-links a::after {
    left: auto;
    right: 50%;
    transform: translateX(50%) scaleX(0);
}

html[dir="rtl"] .nav-links a:hover::after,
html[dir="rtl"] .nav-links a.active::after {
    transform: translateX(50%) scaleX(1);
}

html[dir="rtl"] .logo {
    flex-direction: row-reverse;
}

/* ============================================
   Mobile Menu Toggle
   ============================================ */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    order: 3;
    flex-shrink: 0;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.section {
    padding: var(--spacing-3xl) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    margin: 1rem auto;
}

/* ============================================
   Product Slider
   ============================================ */
.slider-container {
    position: relative;
    width: 100%;
    height: clamp(500px, 100vh, 900px);
    min-height: 500px;
    max-height: 900px;
    overflow: hidden;
    background: #ffffff;
    margin-bottom: 0;
}

.slider-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 4rem);
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.slide-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
    padding: 0 var(--container-padding);
}

.slide-image {
    position: relative;
    width: 100%;
    height: clamp(250px, 40vw, 400px);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    animation: fadeInUp 0.8s ease;
    max-width: 100%;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.slide-text {
    animation: fadeInRight 0.8s ease;
}

.slide-text h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
}

.slide-text p {
    color: var(--text-medium);
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    min-height: 48px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow-primary);
    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:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: white;
}

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

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.slider-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.slider-dot:hover {
    background-color: rgba(10, 95, 140, 0.5);
    border-color: var(--primary-color);
}

.slider-dot.active {
    background-color: var(--primary-color);
    width: 30px;
    border-radius: 6px;
    border-color: var(--primary-color);
}

/* ============================================
   About Section
   ============================================ */
/* ============================================
   LUXURY ABOUT SECTION - Premium Medical Design
   ============================================ */

section.about-section {
    background: linear-gradient(135deg, #0a1929 0%, #1a2f4a 50%, #0f1e2e 100%);
    background-color: #0a1929;
    padding: var(--section-padding-y) 0;
    position: relative;
    overflow: hidden;
    width: 100%;
}

section.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(44, 177, 126, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(44, 177, 126, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

/* Hero Introduction */
.about-hero {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    z-index: 1;
}

.about-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.badge-number {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Inter', -apple-system, sans-serif;
}

.about-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin: 0 0 1.5rem 0;
    line-height: 1.1;
    font-family: 'Inter', -apple-system, sans-serif;
}

.about-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
    letter-spacing: -0.01em;
}

/* Content Grid */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.about-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Glassmorphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: grayscale(0.3);
    transition: transform 0.3s ease;
}

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

.glass-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 1.25rem 0;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.glass-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    letter-spacing: -0.01em;
}

/* Values Elegant */
.values-elegant {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1rem;
}

.value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.value-row:last-child {
    border-bottom: none;
}

.value-row:hover {
    padding-left: 0.5rem;
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.value-name {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: -0.01em;
}

.value-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(44, 177, 126, 0.6);
    box-shadow: 0 0 12px rgba(44, 177, 126, 0.4);
    transition: all 0.3s ease;
}

.value-row:hover .value-dot {
    background: rgba(44, 177, 126, 1);
    box-shadow: 0 0 16px rgba(44, 177, 126, 0.6);
    transform: scale(1.3);
}

/* Expertise List */
.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.expertise-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.expertise-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.expertise-item strong {
    font-size: 1.0625rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.expertise-item span {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Strengths List */
.strengths-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.strengths-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 0;
    margin: 0;
}

.strength-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(44, 177, 126, 0.15);
    border: 1px solid rgba(44, 177, 126, 0.3);
    border-radius: 6px;
    color: rgba(44, 177, 126, 1);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 0.125rem;
}

.strengths-list li div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.strengths-list li strong {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.strengths-list li span {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.5;
}

/* Quality Commitment */
.quality-commitment {
    margin: 4rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.quality-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    transition: all 0.5s ease;
}

.quality-content:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}

.quality-content h3 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 1.5rem 0;
    letter-spacing: -0.02em;
}

.quality-content p {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    letter-spacing: -0.01em;
}

/* Physicians Message */
.physicians-message {
    margin: 4rem 0;
    position: relative;
    z-index: 1;
}

.physicians-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3.5rem);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    text-align: center;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

.physicians-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(44, 177, 126, 0.8), rgba(10, 95, 140, 0.8));
}

.physicians-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.physicians-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    filter: grayscale(0.2);
}

.physicians-content h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 1.5rem 0;
    letter-spacing: -0.02em;
}

.physicians-quote {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-style: italic;
    letter-spacing: -0.01em;
    font-weight: 400;
}

/* Vision Section */
.vision-section {
    margin: 4rem 0;
    position: relative;
    z-index: 1;
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3rem);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    text-align: center;
    transition: all 0.5s ease;
}

.vision-content:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
}

.vision-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    filter: grayscale(0.3);
}

.vision-content h3 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 1.5rem 0;
    letter-spacing: -0.02em;
}

.vision-content p {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    letter-spacing: -0.01em;
}

/* Conclusion Section */
.conclusion-section {
    margin: 4rem 0;
    position: relative;
    z-index: 1;
}

.conclusion-content {
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3rem);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    text-align: center;
    transition: all 0.5s ease;
}

.conclusion-content:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}

.conclusion-content h3 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 1.5rem 0;
    letter-spacing: -0.02em;
}

.conclusion-content p {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    letter-spacing: -0.01em;
}

/* CTA */
.about-cta {
    text-align: center;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: clamp(0.875rem, 2vw, 1.125rem) clamp(1.5rem, 4vw, 2.5rem);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    font-size: clamp(0.9375rem, 2.5vw, 1.0625rem);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    justify-content: center;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(1) { transition-delay: 0.1s; }
.reveal:nth-child(2) { transition-delay: 0.2s; }
.reveal:nth-child(3) { transition-delay: 0.3s; }
.reveal:nth-child(4) { transition-delay: 0.4s; }
.reveal:nth-child(5) { transition-delay: 0.5s; }
.reveal:nth-child(6) { transition-delay: 0.6s; }

/* Legacy Support */
.about-image {
    display: none;
}

/* ============================================
   Products Grid
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: clamp(1.5rem, 4vw, 2rem);
    padding: clamp(1.5rem, 4vw, 2rem) 0;
    width: 100%;
    box-sizing: border-box;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.product-image {
    width: 100%;
    height: clamp(200px, 40vw, 280px);
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-light) 100%);
    position: relative;
    max-width: 100%;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    font-weight: 600;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.75rem);
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    line-height: 1.3;
}

.product-description {
    color: var(--text-medium);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.product-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.product-link::after {
    content: '→';
    transition: var(--transition);
}

.product-link:hover::after {
    transform: translateX(5px);
}

/* ============================================
   Product Details Page
   ============================================ */
.product-details {
    padding: 3rem 0;
}

.product-details-header {
    margin-bottom: 3rem;
}

.product-details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin-bottom: clamp(1.5rem, 4vw, 3rem);
    width: 100%;
}

.product-details-image {
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.product-details-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-details-info h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-details-info .description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.product-video {
    margin-top: 3rem;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
}

.product-video h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    background: #000;
}

.video-container.ratio-16-9 {
    aspect-ratio: 16 / 9;
}

.video-container.ratio-9-16 {
    aspect-ratio: 9 / 16;
    max-width: 400px;
}

.video-container.ratio-4-3 {
    aspect-ratio: 4 / 3;
}

.video-container.ratio-1-1 {
    aspect-ratio: 1 / 1;
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    object-fit: contain;
}

/* ============================================
   Admin Dashboard
   ============================================ */
.admin-container {
    min-height: 100vh;
    background-color: var(--bg-light);
    padding: 2rem 0;
}

.admin-header {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.admin-header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-logo h1 {
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2rem);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dashboard Content */
.dashboard-content {
    width: 100%;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.dashboard-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: var(--transition);
}

.dashboard-card:hover {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12), 0 2px 5px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.dashboard-card-header {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 2px solid var(--primary-color);
}

.dashboard-card-header h2 {
    margin: 0;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--text-dark);
}

.dashboard-card-body {
    padding: 2rem;
}

.dashboard-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.dashboard-link-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dashboard-link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(10, 95, 140, 0.1), transparent);
    transition: left 0.5s;
}

.dashboard-link-card:hover::before {
    left: 100%;
}

.dashboard-link-card:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(10, 95, 140, 0.15);
}

.dashboard-link-icon {
    font-size: 2.5rem;
    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: 12px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(10, 95, 140, 0.2);
}

.dashboard-link-content {
    flex: 1;
}

.dashboard-link-content h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.dashboard-link-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.dashboard-link-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.dashboard-link-card:hover .dashboard-link-arrow {
    transform: translateX(5px);
}

#admin-management-links {
    display: block;
}

#admin-management-links[style*="display: none"] {
    display: none !important;
}

#admin-management-links[style*="display: inline-flex"] {
    display: block !important;
}

.admin-form {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.admin-form:hover {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12), 0 2px 5px rgba(0, 0, 0, 0.08);
}

.admin-form h2 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.form-group {
    margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.form-group label {
    display: block;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.75rem);
    font-weight: 600;
    color: var(--text-dark);
    font-size: clamp(0.875rem, 2vw, 1rem);
    letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: clamp(0.75rem, 2vw, 1rem);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    font-size: clamp(0.875rem, 2vw, 1rem);
    transition: all 0.3s ease;
    background: #ffffff;
    color: var(--text-dark);
    font-family: inherit;
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(10, 95, 140, 0.1);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(10, 95, 140, 0.15), 0 2px 8px rgba(10, 95, 140, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
    line-height: 1.6;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    font-size: clamp(0.75rem, 1.5vw, 0.875rem);
    color: var(--text-light);
    line-height: 1.5;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: clamp(1.5rem, 4vw, 2rem);
    flex-wrap: wrap;
}

.form-actions .btn {
    flex: 1;
    min-width: 120px;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(220, 53, 69, 0.4);
}

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

.admin-table {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.admin-table h2 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--text-dark);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    margin: 0;
    border-bottom: 2px solid var(--primary-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.admin-table table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: clamp(0.75rem, 2vw, 1.25rem);
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-size: clamp(0.875rem, 2vw, 1rem);
}

.admin-table th {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-table tr {
    transition: var(--transition);
}

.admin-table tr:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.admin-table td img {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.admin-table td img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.admin-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-small {
    padding: clamp(0.5rem, 1.5vw, 0.75rem) clamp(1rem, 2.5vw, 1.5rem);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    min-height: 36px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: clamp(1rem, 3vw, 2rem);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.login-box {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: clamp(2rem, 5vw, 3rem);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-box h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    letter-spacing: -0.5px;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-gray) 25%, var(--bg-light) 50%, var(--bg-gray) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   Footer
   ============================================ */
footer {
    background-color: #ffffff;
    color: var(--text-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    border-top: 1px solid var(--border-color);
}

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

footer h4 {
    color: var(--text-dark);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

footer a {
    color: var(--text-medium);
    display: block;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

html[dir="rtl"] footer a:hover {
    padding-left: 0;
    padding-right: 4px;
}

footer p {
    color: var(--text-medium);
    margin: 0;
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Contact Page Styles
   ============================================ */
.contact-section {
    padding: var(--section-padding-y) 0;
    background: var(--bg-light);
}

.contact-header {
    text-align: center;
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.contact-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--text-medium);
    max-width: 700px;
    margin: 1rem auto 0;
    line-height: 1.7;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

/* Contact Information Cards */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-white);
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.info-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    filter: grayscale(0.3);
}

.info-card h3 {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.info-card p {
    color: var(--text-medium);
    font-size: clamp(0.9375rem, 2vw, 1rem);
    line-height: 1.6;
    margin: 0;
}

.info-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.info-card a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    position: sticky;
    top: 100px;
}

.contact-form-card {
    background: var(--bg-white);
    padding: clamp(2rem, 4vw, 3rem);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.contact-form-card h2 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: clamp(0.9375rem, 2vw, 1rem);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: clamp(0.75rem, 2vw, 0.875rem) clamp(1rem, 2.5vw, 1.25rem);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: clamp(0.9375rem, 2vw, 1rem);
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
    color: var(--text-dark);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 95, 140, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.contact-form button[type="submit"] {
    width: 100%;
    padding: clamp(0.875rem, 2vw, 1rem) 2rem;
    font-size: clamp(1rem, 2.5vw, 1.0625rem);
    min-height: 48px;
    margin-top: 0.5rem;
}

/* Responsive Contact Page */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-form-wrapper {
        position: static;
    }
}

@media (max-width: 768px) {
    .contact-info {
        gap: 1.25rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
    
    .contact-form-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .info-card {
        padding: 1.25rem;
    }
    
    .contact-form-card {
        padding: 1.5rem;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 0.75rem 1rem;
    }
}

/* ============================================
   Responsive Design
   ============================================ */
/* ============================================
   Responsive Design - Mobile First
   ============================================ */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .slide-content {
        gap: var(--spacing-xl);
    }
    
    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .glass-card {
        padding: 2rem;
    }
    
    .quality-content {
        padding: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--container-padding);
    }
    
    header {
        padding: clamp(0.75rem, 2vw, 1rem) 0;
    }
    
    nav {
        flex-wrap: nowrap;
        position: relative;
        justify-content: space-between;
        gap: 0.75rem;
    }
    
    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
        order: 1;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        width: 100%;
        padding: var(--spacing-md) var(--container-padding);
        margin-top: var(--spacing-sm);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        border-radius: var(--radius-lg);
        gap: 0.25rem;
        align-items: stretch;
        z-index: 999;
        border: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        width: 100%;
        margin: 0;
    }
    
    .nav-links a {
        display: flex;
        align-items: center;
        padding: clamp(0.875rem, 2.5vw, 1rem) var(--spacing-md);
        font-size: clamp(0.9375rem, 2.5vw, 1rem);
        width: 100%;
        text-align: left;
        min-height: 48px;
        border-radius: var(--radius-md);
        transition: all 0.2s ease;
    }
    
    .nav-links a:hover {
        background: rgba(10, 95, 140, 0.05);
        color: var(--primary-color);
    }
    
    .nav-links a.active {
        background: rgba(10, 95, 140, 0.1);
        color: var(--primary-color);
        font-weight: 600;
    }
    
    .nav-links a::after {
        display: none;
    }
    
    html[dir="rtl"] .nav-links a {
        text-align: right;
    }
    
    .language-switcher {
        order: 2;
        margin: 0;
        flex-shrink: 0;
    }
    
    html[dir="rtl"] .language-switcher {
        order: 2;
    }
    
    /* Ensure no horizontal scroll */
    body {
        overflow-x: hidden;
        width: 100%;
    }
    
    * {
        max-width: 100%;
    }
    
    .slide-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .slide-text h2 {
        font-size: 2rem;
    }
    
    .slide-text p {
        font-size: 1rem;
    }
    
    /* About Section Mobile */
    section.about-section {
        padding: 4rem 0 6rem;
    }
    
    .about-hero {
        margin-bottom: 3rem;
    }
    
    .about-badge {
        padding: 0.875rem 1.5rem;
    }
    
    .about-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
    
    .about-subtitle {
        font-size: clamp(1rem, 3vw, 1.25rem);
    }
    
    .glass-card {
        padding: 1.75rem;
        border-radius: 16px;
    }
    
    .glass-card h3 {
        font-size: 1.25rem;
    }
    
    .quality-content {
        padding: 2rem;
        border-radius: 20px;
    }
    
    .quality-content h3 {
        font-size: 1.5rem;
    }
    
    .quality-content p {
        font-size: 1rem;
    }
    
    .btn-premium {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-details-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .video-container {
        max-width: 100%;
        padding-bottom: 177.78%; /* Maintain 9:16 portrait ratio */
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .slider-container {
        height: 70vh;
        min-height: 500px;
    }
    
    .slide-image {
        height: 300px;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    footer .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--container-padding);
    }
    
    header {
        padding: clamp(0.75rem, 2vw, 1rem) 0;
    }
    
    nav {
        gap: 0.5rem;
    }
    
    .language-switcher {
        padding: 0.2rem;
        gap: 0.15rem;
    }
    
    .lang-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
        min-width: 40px;
    }
    
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
        padding: 0.4rem;
    }
    
    .mobile-menu-toggle span {
        width: 20px;
    }
    
    .nav-links {
        padding: var(--spacing-sm) var(--container-padding);
        gap: 0.125rem;
        border-radius: var(--radius-md);
    }
    
    .nav-links a {
        padding: 0.875rem var(--spacing-md);
        font-size: 0.9375rem;
        min-height: 44px;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    /* About Section Small Mobile */
    section.about-section {
        padding: 3rem 0 5rem;
    }
    
    .about-badge {
        padding: 0.75rem 1.25rem;
        font-size: 0.75rem;
    }
    
    .badge-text {
        font-size: 0.6875rem;
    }
    
    .badge-number {
        font-size: 0.8125rem;
    }
    
    .glass-card {
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .card-icon {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .expertise-item {
        padding: 1rem;
    }
    
    .strength-icon {
        width: 20px;
        height: 20px;
        font-size: 0.75rem;
    }
    
    .quality-content {
        padding: 1.5rem;
    }
    
    .physicians-content,
    .vision-content,
    .conclusion-content {
        padding: 1.5rem;
    }
    
    .physicians-icon,
    .vision-icon {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .btn-premium {
        padding: 0.875rem 1.75rem;
        font-size: 0.9375rem;
        width: 100%;
        max-width: 100%;
    }
    
    .slider-container {
        height: 60vh;
        min-height: 400px;
    }
    
    .slide {
        padding: var(--spacing-lg);
    }
    
    .slide-text h2 {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
        width: 100%;
        max-width: 300px;
    }
    
    .product-image {
        height: 240px;
    }
    
    .admin-header {
        flex-direction: column;
        gap: clamp(1rem, 3vw, 1.5rem);
        align-items: flex-start;
        padding: 1.5rem;
    }

    .admin-header-actions {
        width: 100%;
    }

    .admin-header .btn {
        width: 100%;
        justify-content: center;
    }
    
    .dashboard-links-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-link-card {
        padding: 1.25rem;
    }
    
    .dashboard-link-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }

    .admin-form {
        padding: clamp(1.25rem, 3vw, 1.75rem);
    }

    .admin-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .admin-table table {
        min-width: 800px;
    }

    .admin-table th,
    .admin-table td {
        padding: clamp(0.5rem, 1.5vw, 0.75rem);
        font-size: clamp(0.75rem, 2vw, 0.875rem);
    }

    .admin-actions {
        flex-direction: column;
        width: 100%;
    }

    .admin-actions .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .login-box {
        padding: clamp(1.5rem, 4vw, 2rem);
    }
    
    .logo-img {
        height: 45px;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
}

/* ============================================
   Accessibility & Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    header,
    footer,
    .btn,
    .slider-nav {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .product-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}