/* CSS Variables - Design System */
:root {
    /* Corporate Color Palette - Midnight & Electric Blue */
    --bg-primary: #050505;
    --bg-secondary: #0a0a0c;
    --bg-tertiary: #121214;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.07);

    --text-primary: #fcfcfc;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent-primary: #3b82f6;
    /* Electric Blue */
    --accent-secondary: #6366f1;
    /* Deep Indigo */
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --gradient-corporate: linear-gradient(135deg, #050505 0%, #121214 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

    /* Refined Shadows */
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
    --shadow-intense: 0 20px 40px -15px rgba(0, 0, 0, 0.8);

    /* Spacious Layout Tokens */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-2xl: 8rem;
    --space-3xl: 12rem;

    /* Border Radius for Modern UI */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Transitions */
    --timing-fast: 0.25s;
    --timing-medium: 0.5s;
    --timing-slow: 1s;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

/* Container */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.navbar .container {
    padding: 0 var(--space-md);
    max-width: 1400px;
}

/* Loading State */
.loading {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.loaded {
    opacity: 1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--timing-medium) cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-card);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    width: 100%;
    position: relative;
    min-height: 70px;
    gap: 2rem;
}

.nav-logo {
    display: none;
}

.nav-links {
    display: flex;
    gap: 1rem;
    list-style: none;
    align-items: center;
    flex-wrap: nowrap;
    flex: 1;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--timing-fast) ease;
    position: relative;
    white-space: nowrap;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--timing-fast) ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* Language Select Dropdown */
.language-selector {
    position: relative;
}

.language-select {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    transition: all var(--timing-fast) ease;
    min-width: 100px;
    z-index: 1001;
}

.language-select:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--accent-primary);
}

.language-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.language-select option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 0.5rem;
}

.btn-demo {
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.8rem;
    transition: transform var(--timing-fast) ease, box-shadow var(--timing-fast) ease;
    white-space: nowrap;
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--timing-fast) ease;
    position: absolute;
    right: 0;
}

.mobile-menu-btn:hover {
    background: var(--bg-card);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 999;
    padding: var(--space-lg);
}

.mobile-nav.open {
    display: block;
}

.mobile-nav-links {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.mobile-nav-links li {
    margin-bottom: var(--space-md);
}

.mobile-nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    display: block;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--timing-fast) ease;
}

.mobile-nav-links a:hover {
    background: var(--bg-card);
}

.mobile-lang-section {
    margin-bottom: var(--space-lg);
}

.mobile-lang-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-lang-select {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    padding: 1rem;
    cursor: pointer;
    transition: all var(--timing-fast) ease;
}

.mobile-lang-select:hover,
.mobile-lang-select:focus {
    background-color: var(--bg-card-hover);
    border-color: var(--accent-primary);
    outline: none;
}

.mobile-lang-select option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.neural-node {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-primary);
    animation: float 25s infinite ease-in-out;
    filter: blur(1px);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 32px rgba(0, 122, 255, 0.5);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }

    25% {
        transform: translateY(-100px) translateX(50px);
        opacity: 1;
    }

    50% {
        transform: translateY(50px) translateX(-30px);
        opacity: 0.6;
    }

    75% {
        transform: translateY(-50px) translateX(-50px);
        opacity: 0.8;
    }
}

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

.hero-logo {
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-img {
    height: 140px;
    width: auto;
    border-radius: var(--radius-lg);
    object-fit: contain;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--space-md);
    transition: all var(--timing-medium) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(10px);
}

.hero-logo-img:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.08);
}

.hero-badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Thermal AI Effect on Hero Title */
.hero h1 {
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: var(--space-lg);
    position: relative;
    /* Corporate Gradient: Electric Blue to Indigo */
    background: linear-gradient(to right, #3b82f6, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
    filter: drop-shadow(0 0 15px rgba(59, 130, 246, 0.2));
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

/* Thermal heating effect backdrop */
.hero h1::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(ellipse at center,
            rgba(255, 65, 54, 0.15) 0%,
            rgba(255, 133, 27, 0.1) 25%,
            rgba(255, 220, 0, 0.08) 50%,
            rgba(46, 204, 64, 0.05) 75%,
            rgba(0, 116, 217, 0.03) 100%);
    border-radius: 30px;
    animation: thermalPulse 8s ease-in-out infinite;
    z-index: -1;
    filter: blur(15px);
}

/* Thermal scan lines effect */
.hero h1::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(90deg,
            transparent 0px,
            rgba(0, 255, 255, 0.03) 1px,
            transparent 2px,
            transparent 10px);
    animation: thermalScan 3s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes thermalFlow {
    0% {
        background-position: 0% 0%;
    }

    33% {
        background-position: 0% 50%;
    }

    66% {
        background-position: 0% 100%;
    }

    100% {
        background-position: 0% 0%;
    }
}

@keyframes thermalGlow {
    0% {
        filter: drop-shadow(0 0 10px rgba(0, 116, 217, 0.4)) drop-shadow(0 0 20px rgba(0, 116, 217, 0.2));
    }

    25% {
        filter: drop-shadow(0 0 15px rgba(46, 204, 64, 0.5)) drop-shadow(0 0 30px rgba(46, 204, 64, 0.3));
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(255, 220, 0, 0.6)) drop-shadow(0 0 40px rgba(255, 220, 0, 0.4));
    }

    75% {
        filter: drop-shadow(0 0 25px rgba(255, 133, 27, 0.7)) drop-shadow(0 0 50px rgba(255, 133, 27, 0.5));
    }

    100% {
        filter: drop-shadow(0 0 30px rgba(255, 65, 54, 0.8)) drop-shadow(0 0 60px rgba(255, 65, 54, 0.6)) drop-shadow(0 0 90px rgba(255, 65, 54, 0.4));
    }
}

@keyframes thermalPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.6;
    }
}

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

    100% {
        background-position: 100% 0;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform var(--timing-fast) ease, box-shadow var(--timing-fast) ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

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

.btn-secondary {
    padding: 1rem 2rem;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--timing-fast) ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

/* Section Base */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* AI Demo Section */
.ai-demo {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(0, 122, 255, 0.1);
}

.demo-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.demo-content {
    text-align: left;
}

.demo-features {
    list-style: none;
    margin: var(--space-lg) 0;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.demo-feature::before {
    content: '🤖';
    font-size: 1.2rem;
}

.demo-interactive {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(0, 122, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.demo-interactive::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    animation: aiPulse 2s infinite;
}

@keyframes aiPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

.chat-container {
    height: 300px;
    overflow-y: auto;
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.chat-message {
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    animation: fadeInUp 0.5s ease;
}

.chat-message.user {
    background: var(--accent-primary);
    color: white;
    margin-left: 20%;
    text-align: right;
}

.chat-message.ai {
    background: var(--bg-card);
    margin-right: 20%;
}

.chat-input-container {
    display: flex;
    gap: var(--space-sm);
}

.chat-input {
    flex: 1;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.chat-send {
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: all var(--timing-fast) ease;
}

.chat-send:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.about-stat {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: all var(--timing-medium) ease;
}

.about-stat:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.about-stat-label {
    font-weight: 600;
    color: var(--text-primary);
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.team-member {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--timing-medium) cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    max-width: 400px;
    margin: 0 auto;
}

.team-member:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-intense);
}

.team-photo {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: var(--shadow-glow);
    transition: transform var(--timing-medium) ease;
}

.team-member:hover .team-photo {
    transform: scale(1.05) rotate(2deg);
}

.team-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.team-role {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.team-bio {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Products Section */
.products {
    background: var(--bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--timing-medium) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--timing-medium) ease;
}

.product-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-10px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-intense), var(--shadow-glow);
}

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

.product-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.product-category {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.product-name {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.product-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.product-feature {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 122, 255, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    border: 1px solid rgba(0, 122, 255, 0.2);
}

/* Technology Deep Dive */
.tech-deep-dive {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.tech-category {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--timing-medium) ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-card);
}

.tech-category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.tech-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.tech-items {
    list-style: none;
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.tech-item:last-child {
    border-bottom: none;
}

.tech-proficiency {
    background: var(--gradient-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: white;
    font-weight: 600;
}

/* Case Studies */
.case-studies {
    background: var(--bg-secondary);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
}

.case-study {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--timing-medium) ease;
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.case-study-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.case-study-content {
    padding: var(--space-xl);
}

.case-study-category {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.case-study-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.case-study-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

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

.case-metric-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-success);
    margin-bottom: var(--space-xs);
}

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

/* Testimonials */
.testimonials {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.testimonial {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all var(--timing-medium) ease;
}

.testimonial:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-card);
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--space-lg);
    font-size: 4rem;
    color: var(--accent-primary);
    font-family: serif;
    line-height: 1;
}

.testimonial-quote {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    margin-top: var(--space-md);
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.testimonial-info h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Awards Section */
.awards {
    background: var(--bg-secondary);
}

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

.award {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--timing-medium) ease;
}

.award:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-card);
}

.award-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.award-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.award-issuer {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

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

/* Stats Section */
.stats {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

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

.stat-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--timing-medium) ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-card);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

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

/* Blog Section */
.blog {
    background: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.blog-post {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--timing-medium) ease;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.blog-image {
    height: 200px;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.blog-content {
    padding: var(--space-xl);
}

.blog-category {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.blog-read-more {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--timing-fast) ease;
}

.blog-read-more:hover {
    color: var(--text-primary);
}

/* Supporters Section */
.supporters {
    background: var(--bg-secondary);
}

.supporters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: stretch;
}

.supporter-item {
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--timing-medium) ease;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.supporter-item:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-card);
}

.supporter-logo {
    width: 120px;
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--space-sm);
    filter: brightness(0.8) contrast(1.2);
    transition: all 0.3s ease;
}

.supporter-item:hover .supporter-logo {
    filter: brightness(1) contrast(1);
    transform: scale(1.05);
}

.supporter-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

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

/* FAQ Section */
.faq {
    background: var(--bg-secondary);
    padding: var(--space-3xl) 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.faq-question {
    padding: var(--space-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--timing-fast) ease;
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform var(--timing-fast) ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--timing-medium) ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--timing-fast) ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--timing-fast) ease, box-shadow var(--timing-fast) ease;
}

.form-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-intense);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2xl) 0;
}

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

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--timing-fast) ease;
}

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

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--timing-fast) ease;
}

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

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

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--timing-fast) ease;
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-intense);
}

/* Responsive Design */

/* Large Desktop */
@media (min-width: 1400px) {
    .nav-container {
        min-height: 75px;
        padding: 1rem 3rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
    }

    .language-select {
        min-width: 120px;
        font-size: 0.85rem;
        padding: 0.45rem 0.75rem;
    }

    .btn-demo {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
    }
}

/* Desktop */
@media (min-width: 1200px) and (max-width: 1399px) {
    .nav-container {
        min-height: 72px;
    }

    .nav-links {
        gap: 1.2rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .language-select {
        min-width: 110px;
        font-size: 0.8rem;
        padding: 0.42rem 0.7rem;
    }

    .btn-demo {
        font-size: 0.85rem;
        padding: 0.55rem 1.1rem;
    }
}

/* Tablet Landscape */
@media (min-width: 992px) and (max-width: 1199px) {
    .nav-container {
        padding: 1rem 1.5rem;
        min-height: 68px;
    }

    .nav-links {
        gap: 0.75rem;
    }

    .nav-link {
        font-size: 0.82rem;
        padding: 0.4rem 0.6rem;
    }

    .language-select {
        min-width: 95px;
        font-size: 0.72rem;
        padding: 0.35rem 0.55rem;
    }

    .btn-demo {
        font-size: 0.78rem;
        padding: 0.45rem 0.9rem;
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .hero h1 {
        font-size: clamp(2rem, 7vw, 4rem);
    }

    .demo-container,
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* Medium Screens */
@media (min-width: 768px) and (max-width: 991px) {
    .nav-container {
        padding: 0.8rem 1rem;
        min-height: 65px;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
    }

    .language-select {
        min-width: 85px;
        font-size: 0.68rem;
        padding: 0.3rem 0.45rem;
    }

    .btn-demo {
        font-size: 0.72rem;
        padding: 0.4rem 0.75rem;
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-actions .language-selector,
    .nav-actions .btn-demo {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .hero {
        padding-top: 120px;
        min-height: auto;
        padding-bottom: var(--space-3xl);
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: var(--space-md);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--space-xl);
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--space-md);
        width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 1rem;
        font-size: 1rem;
    }

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

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .products-grid,
    .stats-grid,
    .tech-stack,
    .case-studies-grid,
    .testimonials-grid,
    .awards-grid,
    .blog-grid,
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .supporters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .case-study-metrics {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .demo-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .social-links {
        justify-content: center;
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .contact-form {
        padding: var(--space-lg);
    }

    .hero-logo-img {
        height: 120px;
    }
}

/* Mobile Large */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .navbar .container {
        padding: 0 0.75rem;
    }

    .nav-container {
        padding: 0.9rem 0;
        min-height: 65px;
    }

    .hero-logo-img {
        height: 100px;
        padding: var(--space-md);
    }

    .hero {
        padding-top: 100px;
        padding-bottom: var(--space-2xl);
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
        margin-bottom: var(--space-md);
    }

    .hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .section {
        padding: var(--space-lg) 0;
    }

    .section-header {
        margin-bottom: var(--space-xl);
    }

    .section-title {
        font-size: clamp(1.3rem, 6vw, 2rem);
        margin-bottom: var(--space-sm);
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .supporters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .product-card,
    .case-study-content,
    .testimonial,
    .award,
    .blog-content,
    .team-member {
        padding: var(--space-md);
    }

    .product-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .product-name {
        font-size: 1.5rem;
    }

    .product-description {
        font-size: 0.9rem;
    }

    .stat-card {
        padding: var(--space-md);
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 1.1rem;
    }

    .supporter-item {
        padding: var(--space-md);
        min-height: 120px;
    }

    .supporter-logo {
        width: 100px;
        height: 50px;
    }

    .supporter-name {
        font-size: 1.1rem;
    }

    .supporter-description {
        font-size: 0.8rem;
    }

    .faq-question {
        padding: var(--space-md);
    }

    .faq-question h3 {
        font-size: 0.95rem;
    }

    .faq-answer-content {
        padding: 0 var(--space-md) var(--space-md);
        font-size: 0.9rem;
    }

    .contact-form {
        padding: var(--space-md);
    }

    .form-input,
    .form-textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    .form-submit {
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }

    .footer-content {
        gap: var(--space-lg);
    }

    .footer-section h3 {
        font-size: 1.1rem;
    }

    .footer-section p {
        font-size: 0.9rem;
    }

    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1.3rem;
    }
}

/* Mobile Small */
@media (max-width: 320px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    .supporters-grid {
        grid-template-columns: 1fr;
    }

    .product-card,
    .stat-card,
    .supporter-item,
    .case-study-content,
    .testimonial,
    .award,
    .blog-content,
    .team-member {
        padding: var(--space-sm);
    }

    .hero-logo-img {
        height: 80px;
        padding: var(--space-sm);
    }
}