/* ===== CSS RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #f9fafb;
    background-color: #111827;
    overflow-x: hidden;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - Modern Blue Theme */
    --primary-color: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary-color: #64748b;
    --accent-color: #f97316;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* New Modern Colors */
    --purple-accent: #8b5cf6;
    --pink-accent: #ec4899;
    --teal-accent: #14b8a6;
    
    /* Neutral colors - Dark Theme */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-light: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
    --border-light: #4b5563;
    
    /* Modern Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-card: linear-gradient(145deg, #0ea5e9 0%, #8b5cf6 100%);
    
    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --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;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* ===== ACCESSIBILITY ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-light);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.section {
    padding: var(--space-20) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 48px; /* Touch target size */
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}

.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 0.5s;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(14, 165, 233, 0.4);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.1);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(14, 165, 233, 0.3);
}

.btn-full {
    width: 100%;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-fixed);
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--space-4) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    flex-shrink: 0;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--primary-color);
}

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

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    margin: 0;
}

.navbar-nav a {
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
    position: relative;
}

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

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

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

.mobile-menu-toggle {
    display: none;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(var(--space-32) + 60px) 0 var(--space-32);
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.2"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

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

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

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-title {
    font-size: var(--text-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-title .highlight {
    background: linear-gradient(45deg, #ffffff, #f0f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

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

.hero-description {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.3s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: 400px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.2);
    border-color: var(--primary-light);
}

.service-card:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    display: block;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(14, 165, 233, 0.3));
}

.service-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.feature-tag {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

/* ===== ADVANTAGES SECTION ===== */
.advantages {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.advantage-item:hover::before {
    transform: scaleY(1);
}

.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.15);
}

.advantage-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.advantage-item:hover .advantage-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

.advantage-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.advantage-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-description p {
    font-size: var(--text-lg);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

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

.about-image {
    width: 100%;
    max-width: 400px;
    height: 300px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.contact-form-container {
    background: var(--bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.02;
    z-index: 0;
}

.contact-form-container > * {
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.contact-icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.contact-details {
    flex: 1;
}

.contact-detail-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.contact-detail-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-detail-text a {
    color: var(--primary-color);
    font-weight: 600;
}

.contact-detail-note {
    font-size: var(--text-sm);
    color: var(--text-light);
    font-style: italic;
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1), 0 4px 20px rgba(14, 165, 233, 0.1);
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.form-input:invalid,
.form-textarea:invalid {
    border-color: var(--error-color);
}

.form-error {
    color: var(--error-color);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
    display: none;
}

.form-error.show {
    display: block;
}

.form-note {
    font-size: var(--text-sm);
    color: var(--text-light);
    text-align: center;
    margin-top: var(--space-4);
}

.link {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-brand .logo-text {
    font-size: var(--text-2xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: #d1d5db;
    line-height: 1.6;
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: white;
}

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

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: #d1d5db;
    transition: var(--transition-fast);
}

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

.footer-contact p {
    margin-bottom: var(--space-2);
    color: #d1d5db;
}

.footer-contact a {
    color: white;
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright p {
    color: var(--text-light);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-link {
    color: var(--text-light);
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

/* ===== TECHNOLOGIES SECTION ===== */
.technologies {
    padding: var(--space-24) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.technologies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="tech-grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.2"/></pattern></defs><rect width="100" height="100" fill="url(%23tech-grain)"/></svg>');
    opacity: 0.3;
    animation: float 25s ease-in-out infinite;
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    position: relative;
    z-index: 1;
}

.technologies .section-header {
    position: relative;
    z-index: 1;
}

.technologies .section-title {
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.technologies .section-description {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.tech-category {
    background: var(--bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tech-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-secondary);
    opacity: 0.05;
    z-index: 0;
}

.tech-category > * {
    position: relative;
    z-index: 1;
}

.tech-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.15);
}

.tech-category-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    text-align: center;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

.tech-item {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.2);
}

.pricing-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--gradient-secondary);
    color: white;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.pricing-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    min-height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin: var(--space-4) 0;
    position: relative;
    overflow: hidden;
}

.pricing-price::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    z-index: 0;
}

.pricing-price > * {
    position: relative;
    z-index: 1;
}

.price-currency {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.price-amount {
    font-size: var(--text-5xl);
    font-weight: 900;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1;
}

.price-period {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.pricing-features {
    margin-bottom: var(--space-8);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

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

.feature-list li {
    padding: var(--space-2) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-6);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
    font-size: var(--text-lg);
}

.pricing-btn {
    width: 100%;
    margin-top: auto;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
    font-weight: 700;
    border-radius: var(--radius-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.pricing-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 0.5s;
}

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

/* ===== COMPONENT-SPECIFIC STYLES ===== */

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== MODAL COMPONENT ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--text-light);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ===== NOTIFICATION COMPONENT ===== */
.notification {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    z-index: var(--z-tooltip);
    transform: translateX(100%);
    transition: var(--transition-normal);
    max-width: 400px;
    color: var(--text-primary);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--error-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2);
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.notification-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-message {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ===== TOOLTIP COMPONENT ===== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-var(--space-2));
    background: var(--text-primary);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-tooltip);
    pointer-events: none;
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* ===== BADGE COMPONENT ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-error {
    background: var(--error-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-secondary {
    background: var(--secondary-color);
    color: white;
}

/* ===== CARD COMPONENT ===== */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* ===== TABS COMPONENT ===== */
.tabs {
    border-bottom: 1px solid var(--border-color);
}

.tabs-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.tabs-tab {
    padding: var(--space-4) var(--space-6);
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tabs-tab:hover {
    color: var(--text-primary);
}

.tabs-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tabs-content {
    padding: var(--space-6);
}

.tabs-panel {
    display: none;
}

.tabs-panel.active {
    display: block;
}

/* ===== ACCORDION COMPONENT ===== */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

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

.accordion-header {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.accordion-header:hover {
    background: var(--bg-secondary);
}

.accordion-icon {
    transition: var(--transition-fast);
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 var(--space-6);
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
}

.accordion-content.active {
    padding: var(--space-4) var(--space-6);
    max-height: 500px;
}

/* ===== PROGRESS COMPONENT ===== */
.progress {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
}

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

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

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

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

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(14, 165, 233, 0.6);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

/* Animation utility classes */
.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out;
}

.animate-bounce-in {
    animation: bounceIn 0.8s ease-out;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* Staggered animations */
.animate-stagger-1 { animation-delay: 0.1s; }
.animate-stagger-2 { animation-delay: 0.2s; }
.animate-stagger-3 { animation-delay: 0.3s; }
.animate-stagger-4 { animation-delay: 0.4s; }
.animate-stagger-5 { animation-delay: 0.5s; }
.animate-stagger-6 { animation-delay: 0.6s; }

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.border { border: 1px solid var(--border-color); }
.border-primary { border-color: var(--primary-color); }
.border-success { border-color: var(--success-color); }
.border-error { border-color: var(--error-color); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.hidden { display: none; }
.visible { display: block; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.select-text { user-select: text; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.break-words { word-wrap: break-word; }

/* Spacing utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* Z-index utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }