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

:root {
    /* Color System */
    --primary: 219 87% 55%;
    --primary-foreground: 210 40% 98%;
    --primary-light: 219 87% 70%;
    --primary-dark: 219 87% 40%;
    
    --secondary: 142 72% 29%;
    --secondary-foreground: 355 7% 97%;
    --secondary-light: 142 72% 44%;
    --secondary-dark: 142 72% 14%;
    
    --accent: 43 96% 56%;
    --accent-foreground: 26 83% 14%;
    --accent-light: 43 96% 71%;
    --accent-dark: 43 96% 41%;
    
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    --muted: 210 40% 96%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 222.2 84% 4.9%;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
    --gradient-hero: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--secondary)) 50%, hsl(var(--accent)) 100%);
    --gradient-science: linear-gradient(135deg, hsl(var(--primary) / 0.9), hsl(var(--secondary) / 0.9));
    --gradient-subtle: linear-gradient(180deg, hsl(var(--background)), hsl(var(--muted) / 0.3));
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 hsl(var(--foreground) / 0.05);
    --shadow-md: 0 4px 6px -1px hsl(var(--foreground) / 0.1), 0 2px 4px -2px hsl(var(--foreground) / 0.1);
    --shadow-lg: 0 10px 15px -3px hsl(var(--foreground) / 0.1), 0 4px 6px -4px hsl(var(--foreground) / 0.1);
    --shadow-xl: 0 20px 25px -5px hsl(var(--foreground) / 0.1), 0 8px 10px -6px hsl(var(--foreground) / 0.1);
    --shadow-glow: 0 0 40px hsl(var(--primary) / 0.3);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.2s ease-out;
    --transition-slow: 0.3s ease-out;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-base: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
    :root {
        --background: 222.2 84% 4.9%;
        --foreground: 210 40% 98%;
        --muted: 217.2 32.6% 17.5%;
        --muted-foreground: 215 20.2% 65.1%;
        --border: 217.2 32.6% 17.5%;
        --input: 217.2 32.6% 17.5%;
        --ring: 212.7 26.8% 83.9%;
    }
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

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

@keyframes bounce-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

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

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    white-space: nowrap;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    text-decoration: none;
    font-size: var(--font-size-base);
    padding: var(--spacing-2) var(--spacing-4);
    height: 2.5rem;
}

.btn:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}

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

.btn-primary:hover {
    background: hsl(var(--primary) / 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-hero {
    background: var(--gradient-hero);
    color: white;
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    animation: pulse-glow 2s infinite;
}

.btn-hero:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: var(--shadow-xl);
    animation: none;
}

.btn-outline {
    border: 1px solid hsl(var(--border));
    background: hsl(var(--background));
    color: hsl(var(--foreground));
}

.btn-outline:hover {
    background: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    height: 3.5rem;
    font-size: var(--font-size-lg);
}

.arrow-icon {
    transition: transform var(--transition-base);
}

.btn:hover .arrow-icon {
    transform: translateX(4px);
}

/* Section Styles */
section {
    padding: var(--spacing-20) 0;
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: hsl(var(--muted-foreground));
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-decoration {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.hero-decoration-1 {
    width: 8rem;
    height: 8rem;
    top: 10%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.hero-decoration-2 {
    width: 6rem;
    height: 6rem;
    bottom: 20%;
    right: 15%;
    animation: bounce-slow 4s ease-in-out infinite;
}

.hero-decoration-3 {
    width: 4rem;
    height: 4rem;
    top: 50%;
    left: 25%;
    animation: pulse-glow 3s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-6);
}

.arabic-title {
    display: block;
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-2);
    background: linear-gradient(135deg, #fff, #e0f2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.english-title {
    display: block;
    font-size: var(--font-size-3xl);
    opacity: 0.9;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.hero-cta {
    margin-bottom: var(--spacing-8);
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    animation: float 8s ease-in-out infinite;
}

/* About Section */
.about-section {
    background: var(--gradient-subtle);
}

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

.highlight-card {
    background: hsl(var(--background));
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.highlight-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: hsl(var(--primary));
}

.highlight-card p {
    color: hsl(var(--muted-foreground));
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.benefit-card {
    background: hsl(var(--background));
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid hsl(var(--border));
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: hsl(var(--primary));
}

.benefit-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
    display: block;
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: hsl(var(--primary));
}

.benefit-card p {
    color: hsl(var(--muted-foreground));
}

/* Features Section */
.features-section {
    background: var(--gradient-subtle);
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.features-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.feature-item {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.feature-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-1);
    color: hsl(var(--primary));
}

.feature-text p {
    color: hsl(var(--muted-foreground));
}

/* How It Works Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 4rem;
    width: 2px;
    height: calc(100% + var(--spacing-8));
    background: hsl(var(--border));
}

.timeline-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: hsl(var(--primary));
}

.timeline-content p {
    color: hsl(var(--muted-foreground));
}

/* Pricing Section */
.pricing-section {
    background: var(--gradient-subtle);
}

.pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: hsl(var(--background));
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
    border: 1px solid hsl(var(--border));
    position: relative;
}

.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-1) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

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

.price-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: hsl(var(--primary));
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-1);
    margin-bottom: var(--spacing-2);
}

.currency {
    font-size: var(--font-size-lg);
    color: hsl(var(--muted-foreground));
}

.amount {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: hsl(var(--primary));
}

.period {
    font-size: var(--font-size-base);
    color: hsl(var(--muted-foreground));
}

.price-features {
    margin-bottom: var(--spacing-8);
}

.feature {
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid hsl(var(--border));
    color: hsl(var(--foreground));
}

.feature:last-child {
    border-bottom: none;
}

.price-note {
    text-align: center;
    color: hsl(var(--muted-foreground));
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-4);
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6);
    background: hsl(var(--background));
    border: none;
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: hsl(var(--foreground));
    text-align: left;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: hsl(var(--muted));
}

.faq-icon {
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
    background: hsl(var(--muted) / 0.3);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: var(--spacing-6);
    color: hsl(var(--muted-foreground));
    margin: 0;
}

/* Final CTA Section */
.final-cta-section {
    background: var(--gradient-science);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-bg-decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-decoration {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.cta-decoration-1 {
    width: 8rem;
    height: 8rem;
    top: 2.5rem;
    left: 2.5rem;
    animation: float 6s ease-in-out infinite;
}

.cta-decoration-2 {
    width: 6rem;
    height: 6rem;
    bottom: 5rem;
    right: 5rem;
    animation: bounce-slow 4s ease-in-out infinite;
}

.cta-decoration-3 {
    width: 4rem;
    height: 4rem;
    top: 50%;
    left: 25%;
    animation: pulse-glow 3s ease-in-out infinite;
}

.cta-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-6);
}

.cta-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    opacity: 0.8;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.star-icon {
    color: hsl(var(--accent));
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-8);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons .btn-outline {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

.cta-buttons .btn-outline:hover {
    background: white;
    color: hsl(var(--primary));
}

.urgency-message {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-12);
}

.urgency-title {
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.urgency-text {
    opacity: 0.9;
}

.final-encouragement {
    margin-top: var(--spacing-12);
}

.encouragement-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.encouragement-text {
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    section {
        padding: var(--spacing-12) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .arabic-title {
        font-size: var(--font-size-4xl);
    }
    
    .english-title {
        font-size: var(--font-size-2xl);
    }
    
    .features-content {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .cta-buttons .btn {
        width: 100%;
        font-size: var(--font-size-base);
        padding: var(--spacing-4) var(--spacing-6);
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .cta-title {
        font-size: var(--font-size-3xl);
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .arabic-title {
        font-size: var(--font-size-3xl);
    }
    
    .english-title {
        font-size: var(--font-size-xl);
    }
    
    .cta-title {
        font-size: var(--font-size-2xl);
    }
    
    .btn-large {
        padding: var(--spacing-3) var(--spacing-6);
        height: 3rem;
        font-size: var(--font-size-base);
    }
}