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

:root {
    /* Enhanced Color Palette */
    --color-primary: #ffffff;
    --color-secondary: #fafbfc;
    --color-tertiary: #f6f8fa;
    --color-blue-gray-50: #f8fafc;
    --color-blue-gray-100: #f1f5f9;
    --color-blue-gray-200: #e2e8f0;
    --color-blue-gray-300: #cbd5e1;
    --color-blue-gray-400: #94a3b8;
    --color-blue-gray-500: #64748b;
    --color-blue-gray-600: #475569;
    --color-blue-gray-700: #334155;
    --color-blue-gray-800: #1e293b;
    --color-blue-gray-900: #0f172a;
    
    /* Refined Turquoise Palette */
    --color-turquoise: #0ea5e9;
    --color-turquoise-light: #38bdf8;
    --color-turquoise-lighter: #7dd3fc;
    --color-turquoise-dark: #0284c7;
    --color-turquoise-darker: #0369a1;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f0f9ff 100%);
    --gradient-hero: linear-gradient(135deg, #fafbfc 0%, #ffffff 30%, #f0f9ff 70%, #e0f2fe 100%);
    --gradient-turquoise: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #0284c7 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    
    /* Apple-inspired Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
    --font-family-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
    --font-family-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Letter Spacing */
    --letter-spacing-tighter: -0.05em;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Borders */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Apple/Notion-inspired Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.01);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
    --shadow: 0 2px 8px -2px rgba(0, 0, 0, 0.05), 0 4px 12px -4px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, 0.06), 0 8px 24px -8px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 32px -8px rgba(0, 0, 0, 0.08), 0 16px 48px -16px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 16px 64px -16px rgba(0, 0, 0, 0.10), 0 32px 96px -32px rgba(0, 0, 0, 0.08);
    --shadow-2xl: 0 32px 128px -32px rgba(0, 0, 0, 0.12), 0 64px 192px -64px rgba(0, 0, 0, 0.10);
    
    /* Notion-style Card Shadows */
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 8px rgba(0, 0, 0, 0.04), 0 1px 12px rgba(0, 0, 0, 0.02);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06), 0 1px 16px rgba(0, 0, 0, 0.04);
    --shadow-card-active: 0 2px 6px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.02);
    
    /* Colored Shadows */
    --shadow-turquoise: 0 20px 25px -5px rgba(14, 165, 233, 0.15), 0 10px 10px -5px rgba(14, 165, 233, 0.08);
    --shadow-turquoise-lg: 0 25px 50px -12px rgba(14, 165, 233, 0.2), 0 0 0 1px rgba(14, 165, 233, 0.05);
    
    /* Backdrop Blur */
    --backdrop-blur: blur(24px);
    --backdrop-blur-sm: blur(12px);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-normal);
    color: var(--color-blue-gray-800);
    background: var(--gradient-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
}

/* Apple-inspired Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px) saturate(190%);
    -webkit-backdrop-filter: blur(20px) saturate(190%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.06),
        0 4px 8px rgba(0, 0, 0, 0.04);
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(14, 165, 233, 0.02) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar:hover::before {
    opacity: 1;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-brand {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-blue-gray-900);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-brand::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-turquoise);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.nav-brand:hover {
    color: var(--color-turquoise);
    transform: translateY(-1px);
}

.nav-links {
    display: flex;
    gap: var(--spacing-8);
}

.nav-links a {
    color: var(--color-blue-gray-600);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-normal);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.1), transparent);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover {
    color: var(--color-turquoise);
    background: rgba(14, 165, 233, 0.05);
    transform: translateY(-1px);
}

/* Apple/Notion-inspired Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: -0.01em;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-family: var(--font-family);
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    color: white;
    box-shadow: 
        0 1px 3px rgba(14, 165, 233, 0.12),
        0 4px 12px rgba(14, 165, 233, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 4px 8px rgba(14, 165, 233, 0.16),
        0 8px 24px rgba(14, 165, 233, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    background: linear-gradient(135deg, #0284c7 0%, #0891b2 100%);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 1px 3px rgba(14, 165, 233, 0.12),
        inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-radius: 16px;
}

/* Enhanced Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-20);
    position: relative;
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-6);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-turquoise);
    border-radius: 2px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-blue-gray-600);
    line-height: var(--line-height-relaxed);
}

/* Enhanced Hero Section */
.hero {
    padding: calc(60px + var(--spacing-24)) 0 var(--spacing-24) 0;
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1) translateX(0); opacity: 0.5; }
    50% { transform: scale(1.1) translateX(20px); opacity: 0.8; }
}

/* Enhanced Dynamic Hero Background */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

/* Floating Geometric Shapes */
.hero-particles::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 8%;
    width: 2px;
    height: 2px;
    background: var(--color-turquoise-light);
    border-radius: 50%;
    box-shadow: 
        /* Small dots */
        180px 280px 0 1px var(--color-turquoise-light),
        420px 120px 0 0.5px var(--color-turquoise-lighter),
        650px 380px 0 1.5px var(--color-turquoise),
        820px 180px 0 1px var(--color-turquoise-light),
        950px 320px 0 0.8px var(--color-turquoise-lighter),
        
        /* Medium circles */
        320px 150px 0 4px rgba(14, 165, 233, 0.4),
        580px 250px 0 3px rgba(56, 189, 248, 0.3),
        780px 350px 0 5px rgba(14, 165, 233, 0.2),
        
        /* Subtle squares */
        150px 400px 0 0px rgba(14, 165, 233, 0.6),
        450px 50px 0 0px rgba(56, 189, 248, 0.4),
        750px 450px 0 0px rgba(125, 211, 252, 0.3);
    animation: floatParticles 25s ease-in-out infinite;
}

.hero-particles::after {
    content: '';
    position: absolute;
    top: 25%;
    right: 12%;
    width: 1px;
    height: 1px;
    background: var(--color-turquoise);
    border-radius: 50%;
    box-shadow: 
        /* Organic movement particles */
        -160px 220px 0 2px var(--color-turquoise),
        -380px 80px 0 1px var(--color-turquoise-light),
        -520px 320px 0 1.5px var(--color-turquoise-lighter),
        -680px 160px 0 1px var(--color-turquoise),
        
        /* Subtle background elements */
        -250px 350px 0 6px rgba(14, 165, 233, 0.15),
        -450px 180px 0 8px rgba(56, 189, 248, 0.1),
        -650px 280px 0 4px rgba(125, 211, 252, 0.2);
    animation: floatParticles 30s ease-in-out infinite reverse;
}

/* Animated Background Grid */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(14, 165, 233, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
    background-size: 60px 60px, 40px 40px;
    background-position: 0 0, 20px 20px;
    animation: gridMove 40s linear infinite;
    opacity: 0.6;
}

/* Sophisticated Animations */
@keyframes floatParticles {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) rotate(0deg);
        opacity: 0.4;
    }
    25% { 
        transform: translateY(-25px) translateX(15px) rotate(90deg);
        opacity: 0.7;
    }
    50% { 
        transform: translateY(-10px) translateX(-20px) rotate(180deg);
        opacity: 0.9;
    }
    75% { 
        transform: translateY(15px) translateX(25px) rotate(270deg);
        opacity: 0.6;
    }
}

@keyframes gridMove {
    0% { 
        transform: translateX(0) translateY(0);
    }
    100% { 
        transform: translateX(60px) translateY(40px);
    }
}

/* Pulsing Ambient Light */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(56, 189, 248, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 50%, rgba(125, 211, 252, 0.05) 0%, transparent 70%);
    animation: ambientPulse 15s ease-in-out infinite alternate;
}

@keyframes ambientPulse {
    0% {
        opacity: 0.3;
        transform: scale(1);
    }
    100% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-family: var(--font-family-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--color-blue-gray-900);
    margin-bottom: var(--spacing-8);
    background: linear-gradient(135deg, #1e293b 0%, #0ea5e9 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 10;
}

.hero-taglines {
    margin-bottom: var(--spacing-10);
}

.hero-tagline {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-light);
    letter-spacing: var(--letter-spacing-wide);
    line-height: var(--line-height-relaxed);
    color: var(--color-turquoise);
    margin-bottom: var(--spacing-2);
    position: relative;
    z-index: 10;
    opacity: 0;
    animation: slideInUp 0.8s ease forwards;
}

.hero-tagline:nth-child(1) { animation-delay: 0.2s; }
.hero-tagline:nth-child(2) { animation-delay: 0.4s; }
.hero-tagline:nth-child(3) { animation-delay: 0.6s; }

.hero-description {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--color-blue-gray-700);
    margin-bottom: var(--spacing-12);
    position: relative;
    z-index: 10;
}

.hero-description p {
    margin-bottom: var(--spacing-3);
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s ease forwards;
}

.hero-description p:nth-child(1) { animation-delay: 0.8s; }
.hero-description p:nth-child(2) { animation-delay: 1.0s; }
.hero-description p:nth-child(3) { animation-delay: 1.2s; }

.hero-cta {
    margin-top: var(--spacing-16);
    position: relative;
    z-index: 10;
    opacity: 0;
    animation: slideInUp 0.8s ease forwards;
    animation-delay: 1.4s;
}

/* Business Domain Section */
.business-domain {
    padding: var(--spacing-24) 0;
    background: var(--color-primary);
    position: relative;
}

.business-domain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-turquoise-light) 50%, transparent 100%);
    opacity: 0.3;
}

.domain-grid {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: var(--spacing-12);
    flex-wrap: wrap;
}

.domain-card {
    text-align: center;
    padding: var(--spacing-12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(190%);
    -webkit-backdrop-filter: blur(20px) saturate(190%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    flex: 1;
    min-width: 300px;
    max-width: 380px;
}

.domain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.05), transparent);
    transition: left 0.8s ease;
}

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

.domain-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(14, 165, 233, 0.3);
    background: rgba(255, 255, 255, 0.9);
}

.domain-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-turquoise);
    color: white;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-turquoise);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.domain-card:hover .domain-number {
    transform: scale(1.1) rotate(360deg);
}

.domain-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-4);
    line-height: var(--line-height-snug);
}

.domain-card p {
    color: var(--color-blue-gray-600);
    line-height: var(--line-height-relaxed);
}

/* Projects Section */
.projects {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, var(--color-blue-gray-50) 0%, var(--color-tertiary) 50%, var(--color-blue-gray-50) 100%);
}

.project-category {
    margin-bottom: var(--spacing-20);
}

.category-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.category-description {
    font-size: var(--font-size-lg);
    color: var(--color-blue-gray-600);
    text-align: center;
    margin-bottom: var(--spacing-12);
    line-height: var(--line-height-relaxed);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
}

.project-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    padding: var(--spacing-10);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-card);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-turquoise);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.project-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-card-hover);
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(14, 165, 233, 0.25);
}

.project-card.featured {
    border-color: var(--color-turquoise-light);
    box-shadow: var(--shadow-turquoise);
}

.project-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.project-card h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-2);
}

.project-subtitle {
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-turquoise);
    margin-bottom: var(--spacing-3);
}

.project-card p {
    color: var(--color-blue-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.project-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-turquoise);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--color-turquoise-dark);
    transform: translateX(4px);
}

/* Note Articles Grid */
.note-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-8);
}

.note-article {
    background: var(--color-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-blue-gray-200);
    transition: all 0.3s ease;
    overflow: hidden;
}

.note-article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.note-embed {
    border-radius: var(--border-radius-lg);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .note-articles {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .note-article {
        padding: var(--spacing-2);
    }
}

/* Follow Journey Section */
.follow-journey {
    margin-top: var(--spacing-20);
    padding-top: var(--spacing-16);
    border-top: 1px solid var(--color-blue-gray-200);
}

.follow-journey .section-header {
    margin-bottom: var(--spacing-12);
}

.follow-journey .section-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-4);
    position: relative;
    display: inline-block;
}

.follow-journey .section-header h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--gradient-turquoise);
    border-radius: 2px;
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: var(--spacing-6);
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-4);
    padding: var(--spacing-8);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue-gray-50) 100%);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-blue-gray-200);
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.social-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.05), transparent);
    transition: left 0.8s ease;
}

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

.social-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-turquoise-light);
}

.social-icon {
    font-size: var(--font-size-3xl);
    background: var(--gradient-turquoise);
    color: white;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-turquoise);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-2);
}

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

.social-info {
    flex: 1;
}

.social-info h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-1);
}

.social-info p {
    font-size: var(--font-size-sm);
    color: var(--color-blue-gray-600);
    margin-bottom: var(--spacing-3);
    line-height: var(--line-height-relaxed);
}

.social-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-turquoise);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    padding: var(--spacing-2) var(--spacing-3);
    background: rgba(14, 165, 233, 0.1);
    border-radius: var(--border-radius);
}

.social-link:hover {
    color: var(--color-turquoise-dark);
    background: rgba(14, 165, 233, 0.15);
    transform: translateX(2px);
}

.social-link.coming-soon {
    color: var(--color-blue-gray-500);
    background: var(--color-blue-gray-100);
    cursor: default;
    font-style: italic;
}

.social-link.coming-soon:hover {
    color: var(--color-blue-gray-500);
    background: var(--color-blue-gray-100);
    transform: none;
}

@media (max-width: 768px) {
    .social-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-6);
    }
    
    .social-item {
        max-width: 100%;
        min-width: 280px;
        padding: var(--spacing-6);
    }
    
    .follow-journey {
        margin-top: var(--spacing-12);
        padding-top: var(--spacing-12);
    }
    
    .contact-item-single {
        padding: var(--spacing-8);
    }
    
    .contact-item-single .contact-icon {
        width: 80px;
        height: 80px;
        font-size: var(--font-size-3xl);
    }
    
    .contact-item-single .contact-info h4 {
        font-size: var(--font-size-xl);
    }
    
    .contact-item-single .contact-info p {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .domain-grid {
        justify-content: space-around;
    }
    
    .domain-card {
        min-width: 280px;
        max-width: 320px;
    }
    
    .social-links {
        justify-content: space-around;
    }
    
    .social-item {
        min-width: 220px;
        max-width: 280px;
    }
}

/* About Section */
.about {
    padding: var(--spacing-24) 0;
    background: var(--color-primary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.company-table {
    background: var(--color-blue-gray-50);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
}

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

.company-table tr {
    border-bottom: 1px solid var(--color-blue-gray-200);
}

.company-table tr:last-child {
    border-bottom: none;
}

.table-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-blue-gray-800);
    padding: var(--spacing-4);
    width: 30%;
    vertical-align: top;
}

.table-value {
    color: var(--color-blue-gray-600);
    padding: var(--spacing-4);
    line-height: var(--line-height-relaxed);
}

/* Contact Section */
.contact {
    padding: var(--spacing-24) 0;
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
}

.contact .section-header h2 {
    color: white;
}

.contact .section-subtitle {
    color: var(--color-blue-gray-200);
}

.contact-content {
    position: relative;
    z-index: 10;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-12);
    max-width: 800px;
    margin: 0 auto;
}

.contact-form-center {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-item-single {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-6);
    padding: var(--spacing-12);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

.contact-item-single .contact-icon {
    font-size: var(--font-size-4xl);
    background: var(--gradient-turquoise);
    color: white;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-turquoise-lg);
    margin-bottom: var(--spacing-4);
}

.contact-item-single .contact-info h4 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: white;
}

.contact-item-single .contact-info p {
    font-size: var(--font-size-lg);
    color: var(--color-blue-gray-200);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-relaxed);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-8);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: var(--font-size-2xl);
    min-width: 60px;
}

.contact-info h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    color: white;
}

.contact-info a {
    color: var(--color-turquoise-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--color-turquoise-lighter);
}

/* Footer */
.footer {
    padding: var(--spacing-16) 0 var(--spacing-8) 0;
    background: var(--color-blue-gray-900);
    color: var(--color-blue-gray-300);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-8);
}

.footer-brand h4 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

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

.footer-links a {
    color: var(--color-blue-gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-turquoise-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-blue-gray-700);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-blue-gray-500);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-tagline {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .domain-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-8);
    }
    
    .domain-card {
        max-width: 100%;
        min-width: 280px;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: 0 var(--spacing-4);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .table-label {
        width: 40%;
        font-size: var(--font-size-sm);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Join Community Section */
.join-community {
    padding: var(--spacing-12) 0;
    margin: var(--spacing-8) 0;
}

.join-community .section-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.join-community .section-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-4);
    position: relative;
    display: inline-block;
}

.join-community .section-header h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-turquoise) 0%, var(--color-turquoise-light) 100%);
    border-radius: 1px;
}

.join-community .section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-blue-gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.community-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.community-card {
    background: var(--color-primary);
    border: 1px solid var(--color-blue-gray-200);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.community-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.community-card .card-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    display: block;
}

.community-card h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-gray-800);
    margin-bottom: var(--spacing-3);
    line-height: var(--line-height-tight);
}

.community-card p {
    font-size: var(--font-size-base);
    color: var(--color-blue-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.community-card .btn {
    width: 100%;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.025em;
    transition: all 0.3s ease;
}

.community-card .btn-primary {
    background: var(--color-turquoise);
    border: none;
    color: white;
}

.community-card .btn-primary:hover {
    background: var(--color-turquoise-dark);
    transform: translateY(-2px);
}

/* Responsive adjustments for community section */
@media (max-width: 768px) {
    .join-community {
        padding: var(--spacing-10) 0;
        margin: var(--spacing-6) 0;
    }
    
    .community-options {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        padding: 0 var(--spacing-4);
    }
    
    .community-card {
        padding: var(--spacing-6);
    }
    
    .join-community .section-header h3 {
        font-size: var(--font-size-2xl);
    }
    
    .join-community .section-subtitle {
        font-size: var(--font-size-base);
    }
}

/* Focus styles */
.btn:focus,
.nav-links a:focus,
.nav-brand:focus {
    outline: 2px solid var(--color-turquoise);
    outline-offset: 2px;
}