/* ============================================
   O'zKKAP - Uzbekistan Library Consortium Portal
   Government-Style Design System
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Primary Colors */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #60a5fa;

    /* Neutral Colors */
    --white: #ffffff;
    --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;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #0ea5e9;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Roboto', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-primary: 0 4px 14px rgba(30, 64, 175, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Container */
    --container-max: 1400px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 72px;
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

ul,
ol {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    color: var(--gray-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background-color: transparent;
    border-bottom: none;
    transition: all var(--transition-normal);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-2xl);
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    /* box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); */
    margin-top: 0.5rem;
}

.header.scrolled {
    background-color: transparent;
}

.header.scrolled .header-inner {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

/* Logo - Chapda */
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-shrink: 0;
}

.logo-icon {
    flex-shrink: 0;
}

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

.logo-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.02em;
}

/* Main Navigation - Markazda */
.main-nav {
    display: none;
    flex: 1;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    font-size: 0.9125rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--gray-50);
}

/* Dropdown arrow */
.has-dropdown>.nav-link {
    padding-right: 1.5rem;
}

.has-dropdown>.nav-link::after {
    content: '';
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.has-dropdown:hover>.nav-link::after {
    transform: translateY(-50%) rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    padding: 0.5rem 0;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--gray-100);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    color: var(--primary);
    background-color: var(--gray-50);
}

/* Header Actions - O'ng tomon */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Language Dropdown - Custom */
.language-dropdown {
    position: relative;
    display: none;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-700);
    background-color: rgba(255, 255, 255, 0.8);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.language-toggle:hover {
    background-color: var(--white);
    border-color: var(--primary-light);
    color: var(--primary);
}

.language-toggle .globe-icon {
    color: var(--primary);
}

.language-toggle .current-lang {
    font-weight: 700;
    color: var(--primary);
}

.language-toggle .chevron-icon {
    transition: transform var(--transition-fast);
    color: var(--gray-400);
}

.language-dropdown.active .language-toggle {
    background-color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.language-dropdown.active .chevron-icon {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    padding: 0.5rem;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--gray-100);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.language-dropdown.active .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-option:hover {
    background-color: var(--gray-50);
    color: var(--primary);
}

.lang-option .lang-flag {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.lang-option .lang-flag svg {
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.lang-option .lang-name {
    flex: 1;
    text-align: left;
}

.lang-option .check-icon {
    color: var(--primary);
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-fast);
}

.lang-option.active {
    background-color: rgba(30, 64, 175, 0.08);
    color: var(--primary);
}

.lang-option.active .check-icon {
    opacity: 1;
    transform: scale(1);
}

/* Login Button */
.btn-login {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--white);
    background-color: var(--primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-login:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-login svg {
    flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: transparent;
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--white);
    z-index: 999;
    padding: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-xl);
}

.mobile-nav-list a {
    display: block;
    padding: 0.875rem var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav-list a:hover {
    background-color: var(--gray-50);
    color: var(--primary);
}

/* Mobile Language Buttons */
.mobile-language {
    margin-bottom: var(--space-lg);
}

.mobile-lang-buttons {
    display: flex;
    gap: 0.5rem;
    background-color: var(--gray-100);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
}

.mobile-lang-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-600);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-lang-btn:hover {
    color: var(--gray-800);
}

.mobile-lang-btn.active {
    background-color: var(--white);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-lang-btn .lang-flag {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-lang-btn .lang-flag svg {
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

/* Mobile Nav Actions */
.mobile-nav-actions .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding-bottom: var(--space-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, #e0e7ff 50%, var(--gray-50) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.particle-canvas {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    opacity: 0.6;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.hero-title .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: wordReveal 0.8s ease forwards;
}

.hero-title .word:nth-child(1) {
    animation-delay: 0.3s;
}

.hero-title .word:nth-child(2) {
    animation-delay: 0.45s;
}

.hero-title .word:nth-child(3) {
    animation-delay: 0.6s;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeIn 0.6s ease 0.9s forwards;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    opacity: 0;
    filter: blur(10px);
    animation: fadeInBlur 0.6s ease 1s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInBlur {
    to {
        opacity: 1;
        filter: blur(0);
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    opacity: 0;
    animation: fadeIn 0.5s ease 1.2s forwards;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-3xl);
    opacity: 0;
    animation: fadeIn 0.5s ease 1.4s forwards;
}

.stat-card {
    background-color: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* ============================================
   PORTAL FUNCTIONS SECTION
   ============================================ */

.portal-functions {
    padding: var(--space-4xl) 0;
    background-color: var(--white);
}

.functions-grid {
    display: grid;
    gap: var(--space-lg);
}

.function-card {
    background-color: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.function-card:hover {
    transform: translateY(-8px);
    background-color: var(--white);
    border-color: var(--primary-light);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.12);
}

.function-card .card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    margin-bottom: var(--space-lg);
    transition: transform var(--transition-normal);
}

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

.function-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
}

.function-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature-list li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
}

.card-full {
    grid-column: 1 / -1;
}

.card-full .card-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: start;
}

/* ============================================
   ANALYTICS SECTION
   ============================================ */

.analytics {
    position: relative;
    padding: var(--space-4xl) 0;
    background-color: var(--gray-50);
    overflow: hidden;
}

.analytics-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -50px;
    left: -50px;
    animation-delay: -7s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: var(--primary);
    top: 50%;
    left: 30%;
    animation-delay: -14s;
}

@keyframes blobFloat {

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

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.analytics-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-3xl);
}

.analytics-content .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.analytics-description {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.analytics-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.analytics-feature {
    display: flex;
    gap: var(--space-md);
}

.analytics-feature .feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    color: var(--white);
}

.analytics-feature .feature-text h4 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-xs);
    color: var(--gray-900);
}

.analytics-feature .feature-text p {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* Network Graph */
.analytics-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.graph-container {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-lg);
}

.network-graph {
    width: 100%;
    height: 100%;
}

.network-graph .connection {
    stroke: var(--primary-light);
    stroke-width: 2;
    stroke-dasharray: 8, 4;
    stroke-opacity: 0.4;
    animation: connectionPulse 3s ease-in-out infinite;
}

.network-graph .connection:nth-child(odd) {
    animation-delay: 0.5s;
}

.network-graph .connection:nth-child(even) {
    animation-delay: 1s;
}

@keyframes connectionPulse {
    0%, 100% {
        stroke-opacity: 0.3;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-opacity: 0.6;
        stroke-dashoffset: -24;
    }
}

.network-graph .node {
    cursor: pointer;
    transition: filter 0.3s ease;
}

.network-graph .node:hover {
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.6));
}

/* Central node - cx=200, cy=80 */
.network-graph .node-central {
    transform-origin: 200px 80px;
}

.network-graph .node circle {
    fill: var(--primary);
    transition: all 0.3s ease;
}

.network-graph .node-central circle {
    fill: var(--primary-dark);
    filter: drop-shadow(0 4px 8px rgba(30, 64, 175, 0.3));
}

.network-graph .node text {
    font-weight: 600;
    pointer-events: none;
}

/* Node positions for transform-origin - no animation, just hover effects */
.network-graph .node:nth-child(2) {
    transform-origin: 100px 180px;
}

.network-graph .node:nth-child(3) {
    transform-origin: 300px 180px;
}

.network-graph .node:nth-child(4) {
    transform-origin: 200px 280px;
}

.network-graph .node:nth-child(5) {
    transform-origin: 80px 300px;
}

.network-graph .node:nth-child(6) {
    transform-origin: 320px 300px;
}

/* ============================================
   USER ROLES SECTION
   ============================================ */

.user-roles {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, #e0e7ff 0%, var(--gray-50) 100%);
}

.roles-grid {
    display: grid;
    gap: var(--space-lg);
}

.role-card {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    transition: all var(--transition-normal);
}

.role-card:hover {
    transform: translateY(-8px);
    background-color: var(--white);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.role-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    margin: 0 auto var(--space-lg);
    transition: all var(--transition-normal);
}

.role-card:hover .role-icon {
    transform: scale(1.15) rotate(10deg);
}

.role-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
}

.role-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.access-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.access-badge.full {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.access-badge.admin {
    background-color: rgba(30, 64, 175, 0.1);
    color: var(--primary);
}

.access-badge.limited {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.access-badge.partner {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--info);
}

/* ============================================
   PROFILE MODULE SECTION
   ============================================ */

.profile-module {
    padding: var(--space-4xl) 0;
    background-color: var(--white);
}

.profile-container {
    background-color: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    overflow-x: auto;
    gap: var(--space-xs);
    padding: var(--space-md);
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    background-color: transparent;
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--primary);
    background-color: rgba(30, 64, 175, 0.05);
}

.tab-btn.active {
    color: var(--primary);
    background-color: rgba(30, 64, 175, 0.1);
}

.tab-btn svg {
    flex-shrink: 0;
}

/* Tab Content */
.tab-content {
    padding: var(--space-xl);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.tab-panel h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    color: var(--gray-900);
}

/* Form Grid */
.form-grid {
    display: grid;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: var(--gray-800);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

/* Progress Bar */
.profile-progress {
    padding: var(--space-lg) var(--space-xl);
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.progress-percent {
    color: var(--primary);
}

.progress-bar {
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.8s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progressShimmer 2s infinite;
}

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

    100% {
        transform: translateX(100%);
    }
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
}

/* ============================================
   CORE MODULES SECTION
   ============================================ */

.core-modules {
    padding: var(--space-4xl) 0;
    background-color: var(--gray-50);
}

.modules-grid {
    display: grid;
    gap: var(--space-lg);
}

.module-card {
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    border-left: 4px solid transparent;
    transition: all var(--transition-normal);
}

.module-card:hover {
    transform: translateY(-8px);
    border-left-color: var(--primary);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.1);
}

.module-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    color: var(--white);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-normal);
}

.module-card:hover .module-icon {
    transform: scale(1.15) rotate(10deg);
}

.module-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--gray-900);
}

.module-card>p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.module-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.module-features li {
    position: relative;
    padding-left: 1rem;
    font-size: 0.8125rem;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.module-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 4px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 50%;
}

.module-card:hover .module-features li {
    color: var(--gray-700);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    padding: var(--space-4xl) 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    gap: var(--space-3xl);
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

.contact-description {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

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

.contact-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    background-color: var(--gray-50);
    transform: translateX(8px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    color: var(--white);
    transition: all var(--transition-normal);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
}

.contact-text h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    color: var(--gray-900);
}

.contact-text p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.contact-form h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    color: var(--gray-900);
}

.form-row {
    display: grid;
    gap: var(--space-lg);
}

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

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    gap: var(--space-2xl);
    padding-bottom: var(--space-3xl);
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-contact li {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 0.5rem;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

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

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--primary-light);
    transform: translateY(-4px) rotate(10deg);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px+) */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }

    h1 {
        font-size: 3.5rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .functions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-large {
        grid-column: span 1;
    }

    .card-full {
        grid-column: span 2;
    }

    .card-full .card-content {
        grid-template-columns: auto 1fr;
    }

    .roles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }

    .language-select-wrapper {
        display: block;
    }

    .btn-login {
        display: flex;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .main-nav {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }
    
    .language-dropdown {
        display: block;
    }
    
    .btn-login {
        display: flex;
    }

    .analytics-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .contact-grid {
        grid-template-columns: 2fr 3fr;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
    .functions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-large {
        grid-column: span 1;
    }

    .card-full {
        grid-column: span 3;
    }

    .roles-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

.text-right {
    text-align: right;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

.my-0 {
    margin-top: 0;
    margin-bottom: 0;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Print styles */
@media print {

    .header,
    .mobile-nav,
    .hero-bg,
    .analytics-bg,
    .btn,
    .form-actions {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section-title {
        font-size: 18pt;
    }
}

/* ============================================
   LOGIN MODAL
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    padding: var(--space-2xl);
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--gray-500);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

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

.modal-logo {
    display: inline-flex;
    margin-bottom: var(--space-md);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.modal-subtitle {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

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

.login-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon svg {
    position: absolute;
    left: var(--space-md);
    color: var(--gray-400);
    pointer-events: none;
}

.input-with-icon input {
    width: 100%;
    padding: 0.875rem 3rem;
    font-size: 0.9375rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background-color: var(--gray-50);
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.input-with-icon input::placeholder {
    color: var(--gray-400);
}

.password-toggle {
    position: absolute;
    right: var(--space-md);
    color: var(--gray-400);
    padding: 0;
    cursor: pointer;
}

.password-toggle:hover {
    color: var(--gray-600);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    font-size: 0.875rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    color: var(--gray-600);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.forgot-password {
    color: var(--primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-100);
    font-size: 0.9375rem;
}

.modal-footer p {
    color: var(--gray-500);
}

.register-link {
    color: var(--primary);
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

/* Modal animations */
@keyframes modalShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.modal.shake {
    animation: modalShake 0.4s ease;
}

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

.login-form button .spinner {
    animation: spin 1s linear infinite;
}

/* Login Modal Mobile Responsive */
@media (max-width: 480px) {
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        padding: var(--space-xl) var(--space-lg);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-close {
        top: var(--space-md);
        right: var(--space-md);
        width: 36px;
        height: 36px;
    }
    
    .modal-header {
        margin-bottom: var(--space-lg);
    }
    
    .modal-logo svg {
        width: 40px;
        height: 40px;
    }
    
    .modal-title {
        font-size: 1.25rem;
    }
    
    .modal-subtitle {
        font-size: 0.875rem;
    }
    
    .login-form .form-group {
        margin-bottom: var(--space-md);
    }
    
    .input-with-icon input {
        padding: 0.75rem 2.75rem;
        font-size: 1rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .modal-footer {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

@media (max-width: 768px) and (min-width: 481px) {
    .modal {
        max-width: 90%;
        padding: var(--space-xl);
    }
}