/* ===================================
   EasyEye Tech - Company Website Styles
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s ease;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Noto Sans JP", sans-serif;
}

/* ===================================
   Keyframe Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(37, 99, 235, 0.6), 0 0 60px rgba(6, 182, 212, 0.4);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes particles {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(37, 99, 235, 0.3);
        box-shadow: 0 0 10px rgba(37, 99, 235, 0.2);
    }
    50% {
        border-color: rgba(6, 182, 212, 0.6);
        box-shadow: 0 0 30px rgba(6, 182, 212, 0.4);
    }
}

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

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

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

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

ul {
    list-style: none;
}

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

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Section */
.section {
    padding: 5rem 0;
}

.section-title-container {
    text-align: center;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.about-text .section-title-container,
.contact-info .section-title-container {
    text-align: left;
}

.about-text .section-title::after,
.contact-info .section-title::after {
    left: 0;
    transform: none;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    outline: none;
}

.btn:focus {
    outline: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px 0 rgba(37, 99, 235, 0.5), 0 0 30px rgba(6, 182, 212, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ===================================
   Header / Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.98);
}

.header.scrolled::after {
    opacity: 1;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
    transition: var(--transition);
}

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

.logo-image {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.header.scrolled .logo-image {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.footer-logo {
    height: 50px;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    outline: none;
}

.nav-links a:focus {
    outline: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

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

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

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    outline: none;
}

.lang-btn:focus {
    outline: none;
}

.lang-btn:hover {
    background: var(--border-color);
    color: var(--primary-color);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 140px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    overflow: hidden;
}

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

.lang-dropdown button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition);
}

.lang-dropdown button:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.lang-dropdown button:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.lang-dropdown button:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(-45deg, #0f172a, #1e3a5f, #2563eb, #06b6d4);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.15) 0%, transparent 50%);
}

/* Particle Background */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    animation: particles 15s linear infinite;
}

.hero-particle:nth-child(1) { left: 5%; animation-delay: 0s; animation-duration: 12s; }
.hero-particle:nth-child(2) { left: 15%; animation-delay: 2s; animation-duration: 14s; }
.hero-particle:nth-child(3) { left: 25%; animation-delay: 4s; animation-duration: 16s; }
.hero-particle:nth-child(4) { left: 35%; animation-delay: 1s; animation-duration: 13s; }
.hero-particle:nth-child(5) { left: 45%; animation-delay: 3s; animation-duration: 15s; }
.hero-particle:nth-child(6) { left: 55%; animation-delay: 5s; animation-duration: 17s; }
.hero-particle:nth-child(7) { left: 65%; animation-delay: 2s; animation-duration: 14s; }
.hero-particle:nth-child(8) { left: 75%; animation-delay: 4s; animation-duration: 16s; }
.hero-particle:nth-child(9) { left: 85%; animation-delay: 1s; animation-duration: 13s; }
.hero-particle:nth-child(10) { left: 95%; animation-delay: 3s; animation-duration: 15s; }

/* Grid Pattern Overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    pointer-events: none;
}

/* Floating Orbs */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
    width: 300px;
    height: 300px;
    background: rgba(37, 99, 235, 0.4);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 200px;
    height: 200px;
    background: rgba(6, 182, 212, 0.4);
    bottom: 20%;
    right: 15%;
    animation-delay: -4s;
}

.hero-orb-3 {
    width: 150px;
    height: 150px;
    background: rgba(59, 130, 246, 0.4);
    top: 50%;
    right: 30%;
    animation-delay: -2s;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 3rem 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
    background: linear-gradient(90deg, #ffffff, #60a5fa, #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out, shimmer 3s linear infinite;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .btn {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
}

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

/* ===================================
   AI Detection Section
   =================================== */
.ai-detection {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.ai-detection::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.ai-detection::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.ai-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.ai-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.ai-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.12));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.ai-card:hover .ai-icon {
    transform: scale(1.1) rotate(-5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.ai-card:hover .ai-icon svg {
    color: white;
}

.ai-icon svg {
    width: 38px;
    height: 38px;
    transition: var(--transition);
}

.ai-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.ai-card:hover h3 {
    color: var(--primary-color);
}

.ai-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.ai-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ai-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.ai-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.ai-card:hover .ai-features li {
    color: var(--text-primary);
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Background decoration */
.features::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    transition: var(--transition);
    background: white;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transition: 0.5s;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(6,182,212,0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(6,182,212,0.2));
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.feature-card:hover h3 {
    color: var(--primary-color);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Products Section
   =================================== */
.products {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* Product Showcase */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.product-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.showcase-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.showcase-img {
    max-width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    transition: var(--transition);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.15));
}

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

.showcase-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.showcase-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.showcase-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-color);
}

.spec-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.showcase-features-box {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.08));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.showcase-features-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.showcase-features-box h4::before {
    content: '●';
    color: var(--accent-color);
    font-size: 0.75rem;
}

.ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ai-tag {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(6,182,212,0.15));
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.iot-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 0.5rem;
}

.showcase-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.showcase-features li {
    font-size: 0.9375rem;
    color: var(--text-primary);
    padding-left: 1.5rem;
    position: relative;
}

.showcase-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.product-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.product-card:hover::after {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.3);
}

.product-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(6,182,212,0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.product-card:hover .product-icon {
    transform: scale(1.15) rotate(-5deg);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.product-card:hover .product-icon svg {
    color: white;
}

.product-icon svg {
    width: 32px;
    height: 32px;
    transition: var(--transition);
}

.product-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.product-card:hover h3 {
    color: var(--primary-color);
}

.product-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text .section-title {
    text-align: left;
}

.about-desc {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: 0.6s;
}

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

.stat-item:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
}

.stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.about-img-placeholder {
    width: 300px;
    height: 300px;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 6s ease-in-out infinite;
    border: 2px solid rgba(37, 99, 235, 0.2);
}

.about-img-placeholder::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 2px dashed rgba(37, 99, 235, 0.3);
    animation: rotate 20s linear infinite;
}

.about-img-placeholder svg {
    width: 150px;
    height: 150px;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact .section-title-container {
    margin-bottom: 0.5rem;
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.contact-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.12));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-card:hover .contact-card-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.contact-card:hover .contact-card-icon svg {
    color: white;
}

.contact-card-icon svg {
    width: 32px;
    height: 32px;
    transition: var(--transition);
}

.contact-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.contact-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-cta {
    background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.08));
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.contact-cta p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-cta .btn {
    min-width: 180px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 3rem 0 1.5rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--accent-color), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.7);
    position: relative;
    padding-left: 0;
    transition: var(--transition);
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: white;
    padding-left: 10px;
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.footer-social .social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.footer-social .social-link:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

.footer-social .social-link:hover::before {
    opacity: 1;
}

.footer-social .social-link svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    white-space: nowrap;
}

.footer-legal a:hover {
    color: white;
}

.footer-legal .icp-link {
    color: rgba(255,255,255,0.5);
    font-size: 0.8125rem;
}

.footer-legal .icp-link:hover {
    color: rgba(255,255,255,0.8);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-text .section-title {
        text-align: center;
    }
    
    .about-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .showcase-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .features-grid,
    .products-grid,
    .ai-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .product-showcase {
        padding: 1.5rem;
    }
    
    .showcase-features {
        grid-template-columns: 1fr;
    }
    
    .showcase-specs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stat-num {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8125rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .hero-wave,
    .contact-form,
    .footer-social {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
}