/* CSS ضخم ومعقد للغاية */

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

:root {
    /* الألوان الأساسية - الوضع النهاري */
    --primary-color: #0a192f;
    --secondary-color: #112240;
    --accent-color: #64ffda;
    --accent-color-dark: #52d1b2;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --text-tertiary: #5a637a;
    --light-bg: #f8f9fa;
    --light-text: #333333;
    --light-secondary: #666666;
    --highlight-color: #ff6b6b;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --info-color: #2196F3;
    
    /* التدرجات */
    --gradient-primary: linear-gradient(135deg, #0a192f 0%, #112240 50%, #1a365d 100%);
    --gradient-accent: linear-gradient(135deg, #64ffda 0%, #52d1b2 100%);
    --gradient-highlight: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
    --gradient-dark: linear-gradient(135deg, #0a192f 0%, #000000 100%);
    
    /* الظلال */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    --shadow-accent: 0 4px 20px rgba(100, 255, 218, 0.3);
    --shadow-highlight: 0 4px 20px rgba(255, 107, 107, 0.3);
    
    /* الأنماط */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-round: 50%;
    
    /* التحولات */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* الأحجام */
    --container-width: 1200px;
    --header-height: 80px;
    --section-spacing: 120px;
}

[data-theme="light"] {
    --primary-color: #f8f9fa;
    --secondary-color: #ffffff;
    --accent-color: #0a192f;
    --accent-color-dark: #112240;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --light-bg: #0a192f;
    --light-text: #ccd6f6;
    --light-secondary: #8892b0;
    --gradient-primary: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #e9ecef 100%);
    --gradient-dark: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Cairo', 'Tajawal', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.8rem;
}

h3 {
    font-size: 2.2rem;
}

h4 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: 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-primary {
    background: var(--gradient-accent);
    color: var(--primary-color);
    box-shadow: var(--shadow-accent);
}

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

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

.btn-outline:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-logo {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 40px;
    display: flex;
    gap: 8px;
}

.logo-part {
    display: inline-block;
    color: var(--accent-color);
    animation: logoFloat 3s infinite ease-in-out;
}

.logo-part:nth-child(2) { animation-delay: 0.1s; }
.logo-part:nth-child(3) { animation-delay: 0.2s; }
.logo-part:nth-child(4) { animation-delay: 0.3s; }
.logo-part:nth-child(5) { animation-delay: 0.4s; }
.logo-part:nth-child(6) { animation-delay: 0.5s; }
.logo-part:nth-child(7) { animation-delay: 0.6s; }
.logo-part:nth-child(8) { animation-delay: 0.7s; }
.logo-part:nth-child(9) { animation-delay: 0.8s; }
.logo-part:nth-child(10) { animation-delay: 0.9s; }
.logo-part:nth-child(11) { animation-delay: 1s; }

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

.preloader-progress {
    width: 300px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--gradient-accent);
    transition: width 0.3s;
}

.progress-text {
    position: absolute;
    top: 15px;
    right: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Particle Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Floating Shapes */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-shape {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-round);
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.5rem;
    animation: float 20s infinite linear;
}

.shape-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.shape-2 {
    top: 20%;
    right: 15%;
    animation-delay: 5s;
    animation-duration: 30s;
}

.shape-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 10s;
    animation-duration: 20s;
}

.shape-4 {
    bottom: 25%;
    right: 10%;
    animation-delay: 15s;
    animation-duration: 35s;
}

.shape-5 {
    top: 50%;
    left: 50%;
    animation-delay: 7s;
    animation-duration: 40s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(100px, 50px) rotate(90deg);
    }
    50% {
        transform: translate(50px, 100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, 50px) rotate(270deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    height: var(--header-height);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

[data-theme="light"] .main-header {
    background-color: rgba(248, 249, 250, 0.95);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 40px;
}

.logo-wrapper {
    display: flex;
    flex-direction: column;
}

.main-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon-animated {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-round);
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate 20s infinite linear;
}

.logo-icon-inner {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.logo-text {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 1.8rem;
    font-weight: 900;
}

.logo-name {
    color: var(--accent-color);
}

.logo-ampersand {
    color: var(--text-secondary);
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-md);
    position: relative;
}

.nav-link.active, .nav-link:hover {
    color: var(--accent-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.nav-icon {
    font-size: 1.2rem;
}

.nav-text {
    font-size: 0.9rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-toggle {
    width: 50px;
    height: 26px;
    border-radius: 13px;
    background: var(--gradient-primary);
    border: none;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-accent);
    transition: transform var(--transition-normal);
}

[data-theme="light"] .theme-toggle::before {
    transform: translateX(24px);
}

.theme-toggle i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-primary);
}

.theme-toggle .fa-moon {
    left: 6px;
}

.theme-toggle .fa-sun {
    right: 6px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.toggle-line {
    width: 25px;
    height: 2px;
    background-color: var(--accent-color);
    transition: all var(--transition-normal);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    transition: right var(--transition-normal);
    padding: 20px;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-color);
}

.mobile-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-list {
    list-style: none;
    margin-bottom: 30px;
}

.mobile-nav-link {
    display: block;
    padding: 15px;
    color: var(--text-primary);
    border-radius: var(--border-radius-md);
    margin-bottom: 5px;
    transition: all var(--transition-normal);
}

.mobile-nav-link.active, .mobile-nav-link:hover {
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
}

.mobile-nav-footer {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
}

.mobile-social {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.mobile-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 0 40px;
    margin-top: 40px;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.hero-title {
    margin-bottom: 30px;
}

.title-line {
    display: block;
    position: relative;
    overflow: hidden;
}

.title-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    animation: slideIn 1.5s ease-out forwards;
}

.title-line:nth-child(2)::after {
    animation-delay: 0.5s;
}

@keyframes slideIn {
    0% { left: -100%; }
    100% { left: 100%; }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.highlight-text {
    color: var(--accent-color);
    font-weight: 700;
    position: relative;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    animation: expandLine 1s ease-out 2s forwards;
}

@keyframes expandLine {
    0% { transform: scaleX(0); }
    100% { transform: scaleX(1); }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-visual {
    position: relative;
}

.visual-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.code-terminal {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-dots {
    display: flex;
    gap: 8px;
    margin-right: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27ca3f; }

.terminal-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 30px;
    background: #1e1e1e;
    overflow-x: auto;
}

.terminal-body pre {
    margin: 0;
}

.terminal-body code {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #d4d4d4;
}

.terminal-body .keyword { color: #569cd6; }
.terminal-body .function { color: #dcdcaa; }
.terminal-body .string { color: #ce9178; }
.terminal-body .comment { color: #6a9955; }
.terminal-body .number { color: #b5cea8; }

.design-canvas {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.canvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.canvas-tools {
    display: flex;
    gap: 15px;
    color: var(--highlight-color);
}

.canvas-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.canvas-body {
    height: 200px;
    background: #f5f5f5;
    position: relative;
    overflow: hidden;
}

.design-element {
    position: absolute;
    border-radius: 8px;
    animation: floatElement 10s infinite ease-in-out;
}

.de-1 {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    top: 20px;
    left: 30px;
    animation-delay: 0s;
}

.de-2 {
    width: 60px;
    height: 60px;
    background: var(--gradient-highlight);
    top: 40px;
    right: 40px;
    animation-delay: 2s;
}

.de-3 {
    width: 100px;
    height: 40px;
    background: var(--gradient-primary);
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 4s;
}

.de-4 {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #0a192f;
    bottom: 60px;
    right: 60px;
    animation-delay: 6s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-scroll {
    text-align: center;
    margin-top: 40px;
    padding-bottom: 40px;
}

.scroll-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.scroll-icon {
    color: var(--accent-color);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Styles */
section {
    padding: var(--section-spacing) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.section-title {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

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

.section-description {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* About Section */
.about-section {
    background: var(--secondary-color);
}

.about-container {
    max-width: 1000px;
    margin: 0 auto;
}

.about-tabs {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.tab-buttons {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    padding: 0 20px;
}

.tab-button {
    padding: 20px 30px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-normal);
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.tab-button.active {
    color: var(--accent-color);
}

.tab-button.active::after {
    transform: scaleX(1);
}

.tab-button:hover {
    color: var(--accent-color);
}

.tab-content {
    padding: 40px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.team-member-detail {
    animation: slideInUp 0.5s ease;
}

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

.member-header {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.member-avatar {
    margin-left: 30px;
    position: relative;
}

.avatar-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    border: 4px solid;
}

.ai-avatar {
    background: var(--gradient-accent);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.design-avatar {
    background: var(--gradient-highlight);
    color: white;
    border-color: var(--highlight-color);
}

.avatar-status {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--success-color);
    border: 3px solid var(--primary-color);
}

.member-info {
    flex: 1;
}

.member-name {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.member-alias {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.member-title {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.member-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.member-tag {
    padding: 5px 15px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.9rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.member-content {
    margin-bottom: 40px;
}

.member-bio {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.member-expertise h4 {
    margin-bottom: 30px;
    color: var(--accent-color);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.expertise-category h5 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(100, 255, 218, 0.3);
}

.expertise-list {
    list-style: none;
}

.expertise-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-right: 20px;
}

.expertise-list li::before {
    content: '▸';
    position: absolute;
    right: 0;
    color: var(--accent-color);
}

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

.synergy-description {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.synergy-visual {
    margin-bottom: 60px;
}

.synergy-circle {
    width: 400px;
    height: 400px;
    margin: 0 auto;
    position: relative;
    animation: rotateCircle 30s infinite linear;
}

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

.circle-part {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.ai-part {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-accent);
}

.design-part {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-highlight);
}

.part-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.circle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--secondary-color);
}

.center-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.synergy-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.benefit-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    text-align: center;
}

.benefit-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent-color);
}

.benefit-item h4 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0;
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-secondary);
}

.philosophy-principles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.principle {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all var(--transition-normal);
}

.principle:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.principle-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(100, 255, 218, 0.1);
}

.principle h4 {
    margin-bottom: 15px;
    color: var(--accent-color);
    font-size: 1.5rem;
}

.principle p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

.philosophy-quote {
    background: rgba(100, 255, 218, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    border: 1px solid rgba(100, 255, 218, 0.3);
    position: relative;
    text-align: center;
}

.quote-icon {
    font-size: 3rem;
    color: var(--accent-color);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 20px;
}

.quote-text {
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.quote-author {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1.1rem;
}

/* Expertise Section */
.expertise-section {
    background: var(--primary-color);
}

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

.expertise-tabs {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: 80px;
}

.expertise-tab-header {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
}

.tab-header-item {
    flex: 1;
    padding: 25px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    position: relative;
    border-bottom: 3px solid transparent;
}

.tab-header-item.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: rgba(100, 255, 218, 0.05);
}

.tab-header-item:hover {
    color: var(--accent-color);
}

.expertise-tab-content {
    padding: 0;
}

.tab-content-pane {
    display: none;
    padding: 50px;
}

.tab-content-pane.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

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

.expertise-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.expertise-visual {
    position: relative;
}

.neural-network {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.neuron-layer {
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 1;
}

.neuron {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    position: relative;
    animation: pulse 2s infinite;
}

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

.input-layer .neuron {
    background: var(--gradient-highlight);
}

.output-layer .neuron {
    background: #4CAF50;
}

.neural-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.neural-connections::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 2px;
    background: rgba(100, 255, 218, 0.3);
    animation: flow 3s infinite linear;
}

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

.code-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stack-layer {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.layer-name {
    width: 100px;
    font-weight: 600;
    color: var(--accent-color);
}

.layer-progress {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(100, 255, 218, 0.2);
    border-radius: var(--border-radius-md);
    transition: width 1.5s ease;
}

.color-palette {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
}

.palette-color {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.design-elements {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.element-circle, .element-square, .element-triangle {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    box-shadow: var(--shadow-md);
}

.element-circle {
    border-radius: 50%;
}

.element-square {
    border-radius: var(--border-radius-md);
}

.element-triangle {
    background: transparent;
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 69.3px solid var(--accent-color);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.tool-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.tool-item i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.tool-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.expertise-info h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.expertise-info > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.expertise-features {
    list-style: none;
    margin-bottom: 40px;
}

.expertise-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.expertise-features i {
    color: var(--accent-color);
    margin-left: 15px;
    font-size: 1.2rem;
}

.expertise-level {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.level-item {
    display: flex;
    align-items: center;
}

.level-label {
    width: 150px;
    font-weight: 600;
    color: var(--text-primary);
}

.level-bar {
    flex: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    margin: 0 20px;
}

.level-progress {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 5px;
    transition: width 1.5s ease;
}

.level-value {
    width: 50px;
    text-align: center;
    font-weight: 700;
    color: var(--accent-color);
}

.expertise-showcase {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    box-shadow: var(--shadow-xl);
}

.expertise-showcase h3 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--accent-color);
}

.showcase-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.showcase-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-normal);
}

.showcase-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.showcase-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent-color);
}

.showcase-item h4 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.showcase-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* Projects Section */
.projects-section {
    background: var(--secondary-color);
}

.projects-container {
    max-width: 1400px;
    margin: 0 auto;
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
}

.project-category {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.project-content {
    padding: 25px;
}

.project-content h4 {
    margin-bottom: 10px;
    color: var(--accent-color);
    font-size: 1.4rem;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-tag {
    padding: 5px 12px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.8rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

.project-link:hover {
    gap: 12px;
}

.projects-loading {
    text-align: center;
    padding: 40px;
}

.loading-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.spinner-circle {
    width: 100%;
    height: 100%;
    border: 4px solid rgba(100, 255, 218, 0.2);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Process Section */
.process-section {
    background: var(--primary-color);
}

.process-container {
    max-width: 1000px;
    margin: 0 auto;
}

.process-timeline {
    position: relative;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    right: 50%;
    transform: translateX(50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    box-shadow: var(--shadow-md);
    z-index: 1;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    padding: 0 40px;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: left;
    padding-right: 80px;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
    padding-left: 80px;
}

.timeline-content h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.timeline-tools {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tool-tag {
    padding: 5px 15px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 30px;
    font-size: 0.85rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.timeline-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
    border: 2px solid rgba(100, 255, 218, 0.3);
}

.process-collaboration {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    margin-top: 80px;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.process-collaboration h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.process-collaboration > p {
    max-width: 700px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.collaboration-visual {
    max-width: 800px;
    margin: 0 auto;
}

.collab-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.flow-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.flow-step:hover .flow-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.flow-text {
    font-weight: 600;
    color: var(--accent-color);
}

.flow-arrow {
    color: var(--accent-color);
    font-size: 1.5rem;
}

/* AR Section Styles */
.ar-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

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

.ar-viewer {
    width: 100%;
    height: 500px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-lg);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--accent-color);
}

.ar-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--accent-color);
}

.ar-placeholder i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.ar-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-ar {
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-ar:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.4);
}

/* AI Interactive Chat Styles */
.ai-interactive-section {
    background: var(--secondary-color);
}

.ai-chat-container {
    max-width: 800px;
    margin: 0 auto 60px;
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.ai-chat-header {
    padding: 25px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

.ai-info h4 {
    margin: 0;
    color: var(--accent-color);
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-dot.online {
    background-color: #4CAF50;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ai-chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: rgba(0, 0, 0, 0.1);
}

.message {
    margin-bottom: 20px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-content {
    background: rgba(100, 255, 218, 0.1);
    padding: 15px;
    border-radius: 15px;
    border: 1px solid rgba(100, 255, 218, 0.3);
    max-width: 80%;
}

.ai-message .message-content {
    background: rgba(100, 255, 218, 0.05);
    border-color: rgba(100, 255, 218, 0.2);
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
    text-align: right;
}

.ai-chat-input {
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.quick-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.quick-action {
    padding: 8px 15px;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid rgba(100, 255, 218, 0.3);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-action:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.input-container {
    display: flex;
    gap: 10px;
}

.input-container input {
    flex: 1;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(100, 255, 218, 0.2);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-container input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.btn-send, .btn-voice {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    border: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-send:hover, .btn-voice:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 5px 20px rgba(100, 255, 218, 0.4);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.ai-feature {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.ai-feature:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-accent);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--accent-color);
}

.ai-feature h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Challenge Section Styles */
.challenge-section {
    background: var(--gradient-primary);
}

.challenges-container {
    display: grid;
    grid-template-columns: 300px 1fr 250px;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.challenge-timer {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    text-align: center;
    border: 2px solid var(--accent-color);
}

.timer-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}

.timer-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-color);
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.btn-timer {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-timer:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: scale(1.1);
}

.challenge-content {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
}

.challenge-tools {
    margin: 30px 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.tool {
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.tool:hover, .tool.active {
    border-color: var(--accent-color);
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-5px);
}

.tool i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 8px;
    display: block;
}

.challenge-canvas-container {
    margin-top: 30px;
}

.canvas-wrapper {
    background: #1e1e1e;
    border-radius: var(--border-radius-md);
    padding: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

canvas {
    background: white;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

.canvas-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.btn-canvas {
    padding: 12px 25px;
    background: rgba(100, 255, 218, 0.1);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-canvas:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.challenge-leaderboard {
    background: var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
}

.leaderboard-list {
    margin-top: 20px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    transform: translateX(10px);
    background: rgba(100, 255, 218, 0.1);
}

.rank {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 15px;
}

.name {
    flex: 1;
    font-weight: 600;
}

.score {
    background: rgba(100, 255, 218, 0.1);
    padding: 5px 15px;
    border-radius: 20px;
    color: var(--accent-color);
    font-weight: 700;
}

/* Contact Section */
.contact-section {
    background: var(--secondary-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-xl);
}

.contact-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-left: 20px;
}

.contact-person h4 {
    margin-bottom: 5px;
    color: var(--accent-color);
}

.contact-person p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-detail {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.contact-detail i {
    color: var(--accent-color);
    margin-left: 15px;
    width: 20px;
    text-align: center;
}

.contact-social {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-social h4 {
    color: var(--accent-color);
    margin-bottom: 20px;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.3rem;
    transition: all var(--transition-normal);
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-accent);
}

.contact-form-container {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.form-header p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

#contactForm {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(100, 255, 218, 0.05);
}

.form-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}

.form-group input:focus ~ .form-focus-line,
.form-group select:focus ~ .form-focus-line,
.form-group textarea:focus ~ .form-focus-line {
    width: 100%;
}

/* Footer */
.main-footer {
    background: var(--primary-color);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.footer-logo-text h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.footer-logo-text p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--accent-color);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.footer-column a:hover {
    color: var(--accent-color);
    padding-right: 10px;
}

.footer-newsletter {
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-newsletter h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-newsletter p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-form input {
    flex: 1;
    padding: 15px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form button {
    padding: 0 25px;
    background: var(--accent-color);
    color: var(--primary-color);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    background: var(--accent-color-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-copyright {
    margin-bottom: 15px;
}

.footer-copyright p {
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.footer-credits p {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--primary-color);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

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

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

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-container,
    .expertise-details,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .challenges-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .challenge-timer, .challenge-leaderboard {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.3rem; }
    h3 { font-size: 1.9rem; }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .synergy-benefits,
    .showcase-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .expertise-grid,
    .philosophy-principles {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 60px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: column;
    }
    
    .timeline-content {
        padding: 0 20px !important;
        margin: 20px 0;
    }
    
    .timeline-line {
        right: 30px;
        transform: none;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.3rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.6rem; }
    
    .header-container {
        padding: 0 20px;
    }
    
    .main-nav {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        padding: 0 20px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .synergy-circle {
        width: 300px;
        height: 300px;
    }
    
    .circle-part {
        width: 120px;
        height: 120px;
    }
    
    .center-icon {
        font-size: 1.5rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons,
    .expertise-tab-header {
        flex-wrap: wrap;
    }
    
    .tab-button,
    .tab-header-item {
        flex: 1 0 calc(50% - 10px);
    }
    
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .ar-viewer {
        height: 300px;
    }
    
    .ar-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-ar {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .input-container {
        flex-direction: column;
    }
    
    .btn-send, .btn-voice {
        width: 100%;
        border-radius: 50px;
        margin-top: 10px;
    }
}

@media (max-width: 576px) {
    :root {
        --section-spacing: 80px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.7rem; }
    h3 { font-size: 1.4rem; }
    
    .hero-stats,
    .synergy-benefits,
    .showcase-container {
        grid-template-columns: 1fr;
    }
    
    .member-header {
        flex-direction: column;
        text-align: center;
    }
    
    .member-avatar {
        margin-left: 0;
        margin-bottom: 20px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .collab-flow {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .challenges-container {
        padding: 0 15px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    
}