/* =======================
   ULTRA-MODERN PREMIUM DESIGN
   Unique & Stylish Personal Development Website
   ======================= */

/* Advanced CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

/* Modern CSS Variables with Creative Color Palette */
:root {
    /* Revolutionary Color System */
    --primary-900: #0f0f23;
    --primary-800: #1a1a3e;
    --primary-700: #262659;
    --primary-600: #3d3d7a;
    --primary-500: #5555a3;
    
    /* Vibrant Accent Gradients */
    --accent-purple: #6366f1;
    --accent-pink: #ec4899;
    --accent-orange: #f59e0b;
    --accent-cyan: #06b6d4;
    
    /* Glassmorphism Colors */
    --glass-white: rgba(255, 255, 255, 0.1);
    --glass-dark: rgba(0, 0, 0, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Ultra-Modern Grays */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Creative Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-pink) 100%);
    --gradient-glass: linear-gradient(135deg, var(--glass-white) 0%, var(--glass-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    
    /* Advanced Typography Scale */
    --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-size-8xl: 6rem;
    
    /* Modern Spacing System */
    --space-px: 1px;
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-40: 10rem;
    --space-48: 12rem;
    --space-56: 14rem;
    --space-64: 16rem;
    
    /* Ultra-Modern Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-neon: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-glow: 0 0 40px rgba(236, 72, 153, 0.2);
    
    /* Creative Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Smooth Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Ultra-Modern Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&family=JetBrains+Mono:wght@100;200;300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--gray-50);
    font-feature-settings: "kern" 1, "liga" 1, "cv02" 1, "cv03" 1, "cv04" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Revolutionary Headings */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    letter-spacing: -0.05em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;

    background-clip: text;
    position: relative;
}

h1 {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-7xl));
    font-weight: 900;
    margin-bottom: var(--space-8);
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}

h2 {
    font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-5xl));
    margin-bottom: var(--space-6);
}

h3 {
    font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-3xl));
    margin-bottom: var(--space-4);
}

h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
}

/* Premium Paragraphs */
p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    font-weight: 400;
}

/* Ultra-Modern Links */
a {
    color: var(--accent-purple);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
}

a:hover {
    color: var(--accent-pink);
    transform: translateY(-1px);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

a:hover::after {
    width: 100%;
}

/* Revolutionary Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-2xl);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    transform-style: preserve-3d;

    z-index: 1000;
}

.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: var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg), var(--shadow-neon);
    border: 1px solid var(--glass-border);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: var(--glass-white);
    color: var(--gray-700);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    background: var(--gradient-secondary);
    color: white;
    transform: translateY(-3px) scale(1.02);
    text-decoration: none;
}

.btn-large {
    padding: var(--space-5) var(--space-12);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-3xl);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    backdrop-filter: none;
}

.btn-ghost:hover {
    background: var(--gradient-accent);
    color: white;
    border-color: transparent;
    text-decoration: none;
}

/* Modern Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-24) 0;
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-lg {
    padding: var(--space-32) 0;
}

.section-dark {
    background: var(--gradient-dark);
    color: white;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: white;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-accent {
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(99, 102, 241, 0.02) 100%);
    position: relative;
}

.section-gradient {
    background: var(--gradient-primary);
    color: white;
}

/* Revolutionary Grid System */
.grid {
    display: grid;
    gap: var(--space-8);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Ultra-Premium Cards */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    padding: var(--space-8);
    border: 1px solid var(--glass-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

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

.card:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-premium {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border: 2px solid;
    border-image: var(--gradient-primary) 1;
    border-radius: var(--radius-3xl);
    position: relative;
    overflow: hidden;
}

.card-premium::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.card-glass {
    background: var(--glass-white);
    backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
}

/* Futuristic Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition-normal);
    padding: var(--space-4) 0;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
    pointer-events: none;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) 0;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-link {
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition-normal);
    position: relative;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    z-index: -1;
}

.nav-link:hover {
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.nav-link:hover::before {
    opacity: 1;
}

/* Futuristic Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: var(--space-6);
    background: var(--glass-white);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    padding: var(--space-1);
    border: 1px solid var(--glass-border);
}

.lang-btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.lang-btn.active,
.lang-btn:hover {
    color: white;
}

.lang-btn.active::before,
.lang-btn:hover::before {
    opacity: 1;
}

/* Advanced Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(236, 72, 153, 0.4); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

.glow-animation {
    animation: glow 4s ease-in-out infinite;
}

/* Intersection Observer Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition-slow);
}

.slide-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition-slow);
}

.scale-in.animate {
    opacity: 1;
    transform: scale(1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container,
    .container-wide {
        padding: 0 var(--space-4);
    }
    
    .section {
        padding: var(--space-16) 0;
    }
    
    .section-lg {
        padding: var(--space-20) 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .grid {
        gap: var(--space-6);
    }
    
    .card {
        padding: var(--space-6);
    }
}

/* Ultra-Modern Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-glass {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.shadow-glow {
    box-shadow: var(--shadow-glow);
}

.shadow-neon {
    box-shadow: var(--shadow-neon);
}

/* Modern Form Elements */
input, textarea, select {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    color: var(--gray-700);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

/* Creative Spacing */
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

/* Hero Section Specific Styles */
.hero-gradient {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 50%, var(--accent-purple) 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    animation: float 8s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Pricing Card Special Effects */
.pricing-card {
    position: relative;
    overflow: hidden;
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-purple), transparent);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: var(--transition-normal);
}

.pricing-card:hover::after {
    opacity: 0.1;
}

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

/* Interactive Elements */
.interactive-card {
    cursor: pointer;
    transition: var(--transition-normal);
}

.interactive-card:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Mouse tracking effect */
.card {
    --x: 50%;
    --y: 50%;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}