:root {
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --secondary: #7c3aed;
    --accent: #06b6d4;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border-radius: 16px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}
li{
  list-style: none;
}

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

/* Utility Classes */
.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-3 { gap: 0.75rem; }
.gap-2 { gap: 0.5rem; }
.ml-6 { margin-left: 1.5rem; }

/* Progress Indicator */
.progress-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.3s ease;
    z-index: 1000;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.header-content {
    padding: 100px 0;
    text-align: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.header-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

/* Cloud Animations */
.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    filter: blur(5px);
    opacity: 0.8;
}

.cloud:nth-child(1) {
    width: 180px;
    height: 60px;
    top: 20%;
    left: -200px;
    animation: floatCloud 25s linear infinite;
    box-shadow: 
        20px 20px 0 10px rgba(255, 255, 255, 0.15),
        -20px 15px 0 8px rgba(255, 255, 255, 0.15),
        0px -10px 0 6px rgba(255, 255, 255, 0.15);
}

.cloud:nth-child(2) {
    width: 120px;
    height: 40px;
    top: 60%;
    left: -150px;
    animation: floatCloud 20s linear infinite 5s;
    box-shadow: 
        15px 15px 0 8px rgba(255, 255, 255, 0.15),
        -15px 10px 0 6px rgba(255, 255, 255, 0.15),
        0px -8px 0 4px rgba(255, 255, 255, 0.15);
}

.cloud:nth-child(3) {
    width: 80px;
    height: 30px;
    top: 40%;
    left: -100px;
    animation: floatCloud 15s linear infinite 10s;
    box-shadow: 
        10px 10px 0 6px rgba(255, 255, 255, 0.15),
        -10px 8px 0 4px rgba(255, 255, 255, 0.15),
        0px -6px 0 3px rgba(255, 255, 255, 0.15);
}

.cloud:nth-child(4) {
    width: 100px;
    height: 35px;
    top: 80%;
    left: -120px;
    animation: floatCloud 22s linear infinite 15s;
    box-shadow: 
        12px 12px 0 7px rgba(255, 255, 255, 0.15),
        -12px 9px 0 5px rgba(255, 255, 255, 0.15),
        0px -7px 0 4px rgba(255, 255, 255, 0.15);
}

.cloud:nth-child(5) {
    width: 140px;
    height: 45px;
    top: 15%;
    left: -160px;
    animation: floatCloud 30s linear infinite 20s;
    opacity: 0.6;
    box-shadow: 
        18px 18px 0 9px rgba(255, 255, 255, 0.12),
        -18px 12px 0 7px rgba(255, 255, 255, 0.12),
        0px -9px 0 5px rgba(255, 255, 255, 0.12);
}

@keyframes floatCloud {
    0% {
        transform: translateX(0) translateY(0px);
    }
    25% {
        transform: translateX(25vw) translateY(-5px);
    }
    50% {
        transform: translateX(50vw) translateY(5px);
    }
    75% {
        transform: translateX(75vw) translateY(-3px);
    }
    100% {
        transform: translateX(100vw) translateY(0px);
    }
}

/* Logo & Typography */
.logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    margin-bottom: 30px;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.2);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 20px rgba(255, 255, 255, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

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

.card-content {
    padding: 30px;
}

/* Sections */
section {
    padding: 80px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Icons */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

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

.icon-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.2rem;
}

/* Grid Systems */
.grid {
    display: grid;
    gap: 30px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: 40px 30px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Comparison Layout */
.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.comparison-card {
    padding: 30px;
}

.comparison-card h3 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.comparison-card ul {
    list-style: none;
}

.comparison-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.comparison-card li i {
    color: var(--primary);
    margin-top: 5px;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

th {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: rgba(79, 70, 229, 0.05);
}

/* Highlight Boxes */
.highlight-box {
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.05), transparent);
    border-left: 4px solid var(--primary);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

/* Quiz Styles */
.quiz-card {
    position: relative;
    overflow: hidden;
}

.quiz-card .question {
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quiz-card .answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease;
}

.quiz-card:hover .answer {
    max-height: 200px;
    opacity: 1;
    margin-top: 15px;
}

/* Subsection Titles */
.subsection-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text);
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(79, 70, 229, 0.1);
    margin-bottom: 30px;
}

.subsection-title-center {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text);
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(79, 70, 229, 0.1);
    margin-bottom: 30px;
}
/* Security Section Styles */
.security-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: stretch;
}

.security-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 2px solid transparent;
}

.security-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-5px);
}

.security-card .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 30px;
}

.security-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--text);
}

.security-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.security-description {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.6;
    flex-shrink: 0;
}

.security-list {
    list-style: none;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    line-height: 1.5;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.security-item i {
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.security-item span {
    color: var(--text);
    font-weight: 500;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .security-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .security-card .card-content {
        padding: 25px;
    }
    
    .security-title {
        font-size: 1.3rem;
        gap: 12px;
    }
    
    .security-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .security-item {
        padding: 10px 0;
    }
}

@media (max-width: 480px) {
    .security-card .card-content {
        padding: 20px;
    }
    
    .security-title {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .security-description {
        text-align: center;
    }
    
    .security-list {
        gap: 10px;
    }
    
    .security-item {
        border-bottom: none;
        padding: 8px 0;
        background: rgba(0,0,0,0.02);
        border-radius: 8px;
        padding: 12px;
    }
    
    .security-item i {
        font-size: 1rem;
    }
    .table-container{
      display:none; 
    }
}


/* Provider Styles */
.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.provider-card {
    display: block;
    padding: 25px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    position: relative;
    height: 100%;
}

.provider-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.provider-card:hover::after {
    transform: scaleX(1);
}

.provider-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.provider-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: var(--transition);
}

.provider-card:hover .provider-icon {
    transform: scale(1.1);
}

/* Provider Colors */
.provider-icon.aws { color: #FF9900; }
.provider-icon.azure { color: #0078D4; }
.provider-icon.gcp { color: #EA4335; }
.provider-icon.oracle { color: #F80000; }
.provider-icon.ibm { color: #054ADA; }
.provider-icon.alibaba { color: #FF6A00; }
.provider-icon.digitalocean { color: #0080FF; }
.provider-icon.cloudflare { color: #F38020; }
.provider-icon.render { color: #46E6B6; }
.provider-icon.fly { color: #8B5CF6; }
.provider-icon.vercel { color: #000000; }

.provider-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
}

.provider-description {
    color: var(--text-light);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Carousel Styles */
.provider-scroll-container {
    overflow: hidden;
    position: relative;
    margin: 0 -20px 40px;
    padding: 0 20px;
}

.provider-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 10px 0 20px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-light) transparent;
}

.provider-scroll::-webkit-scrollbar {
    height: 6px;
}

.provider-scroll::-webkit-scrollbar-track {
    background: rgba(79, 70, 229, 0.1);
    border-radius: 3px;
}

.provider-scroll::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
}

.provider-scroll-item {
    flex: 0 0 300px;
    min-width: 300px;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.carousel-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-light);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-btn.active {
    background: var(--primary);
    transform: scale(1.2);
}

/* Footer */
footer {
    background: var(--text);
    color: white;
    padding: 60px 0 30px;
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-bottom: 20px;
}

.footer-copyright {
    margin-top: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid-3, .comparison {
        grid-template-columns: 1fr;
    }
    
    .provider-grid {
        grid-template-columns: 1fr;
    }
    
    .provider-scroll-item {
        flex: 0 0 280px;
        min-width: 280px;
    }
    
    .subsection-title {
        font-size: 1.5rem;
    }
    
    .icon-small {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .provider-scroll-container {
        margin: 0 -10px 30px;
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .card-content {
        padding: 20px;
    }
    
    .lab-content {
        padding: 20px;
    }
}

/* RTL Support - FIXED */
body.rtl {
    direction: rtl;
    text-align: right;
}

/* Keep section titles centered in both languages */
body.rtl .section-header,
body.rtl .section-title,
body.rtl .section-subtitle {
    text-align: center !important;
    direction: ltr; /* Keep LTR for titles to maintain proper centering */
}

/* Only right-align these specific elements */
body.rtl .feature-card,
body.rtl .lab-instructions,
body.rtl .highlight-box,
body.rtl .security-description,
body.rtl .card-content p:not(.section-subtitle) {
    text-align: right;
}

body.rtl .flex.items-center {
    flex-direction: row-reverse;
}

body.rtl .security-title,
body.rtl .comparison-card h3 {
    flex-direction: row-reverse;
}

body.rtl .icon {
    margin-left: 15px;
    margin-right: 0;
}

body.rtl .comparison-card li,
body.rtl .security-item {
    flex-direction: row-reverse;
}

body.rtl .comparison-card li i,
body.rtl .security-item i {
    margin-left: 10px;
    margin-right: 0;
}

body.rtl .highlight-box {
    border-left: none;
    border-right: 4px solid var(--primary);
}

body.rtl .lab-instructions {
    border-left: none;
    border-right: 4px solid var(--primary);
}

body.rtl .provider-header {
    flex-direction: row-reverse;
}

body.rtl .challenge-header {
    flex-direction: row-reverse;
}

/* Keep table headers centered */
body.rtl table th {
    text-align: center;
}

/* Mobile RTL adjustments */
@media (max-width: 768px) {
    body.rtl .security-title {
        flex-direction: column;
    }
    
    body.rtl .language-selector {
        left: 10px;
        right: auto;
    }
}