/* ============================================
   INVESTIFY LANDING PAGE - CSS DESIGN SYSTEM
   ============================================ */

/* ROOT VARIABLES & TOKENS */
:root {
    /* Colors */
    --color-primary: #0051BA;
    --color-primary-light: #E8F0FF;
    --color-primary-dark: #003D8A;
    
    --color-accent: #D4AF37;
    --color-accent-light: #F5F1E8;
    --color-accent-dark: #A68620;
    
    --color-investor: #667EEA;
    --color-investor-light: #E8ECFD;
    --color-business: #F5576C;
    --color-business-light: #FFE8EB;
    
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    
    --color-neutral-50: #FAFAFA;
    --color-neutral-100: #F3F4F6;
    --color-neutral-200: #E5E7EB;
    --color-neutral-300: #D1D5DB;
    --color-neutral-400: #9CA3AF;
    --color-neutral-500: #6B7280;
    --color-neutral-600: #4B5563;
    --color-neutral-700: #374151;
    --color-neutral-800: #1F2937;
    --color-neutral-900: #111827;
    
    /* Typography */
    --font-cairo: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --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;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-cairo);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-neutral-700);
    background-color: var(--color-neutral-50);
    -webkit-font-smoothing: antialiased;
}

html[lang="en"] {
    direction: ltr;
}

html[lang="ar"] {
    direction: rtl;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-cairo);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

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

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

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

p {
    margin-bottom: var(--spacing-md);
}

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

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

/* CONTAINER */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* NAVBAR */
.navbar {
    background: white;
    border-bottom: 1px solid var(--color-neutral-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: var(--text-3xl);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--color-neutral-600);
    transition: color var(--transition-base);
}

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

.lang-toggle {
    background: var(--color-primary-light);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 500;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.lang-toggle:hover {
    background: var(--color-primary);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-neutral-200);
    }
    
    .nav-menu.active {
        display: flex;
    }
}

/* CTA BUTTONS */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-cairo);
}

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

.cta-btn:active {
    transform: translateY(0);
}

.cta-btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.cta-btn--primary:hover {
    box-shadow: 0 15px 30px -5px rgba(0, 81, 186, 0.3);
}

.cta-btn--secondary {
    background: var(--color-accent-light);
    color: var(--color-accent-dark);
    border: 2px solid var(--color-accent);
}

.cta-btn--secondary:hover {
    background: var(--color-accent);
    color: white;
}

.cta-btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-lg);
}

.cta-btn--full {
    width: 100%;
}

.btn-icon {
    display: flex;
    align-items: center;
}

/* HERO SECTION */
.hero {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, white 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

.hero-title {
    font-size: var(--text-5xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

.text-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
}

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

.hero-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-lg);
    height: 200px;
    margin-bottom: var(--spacing-lg);
}

.chart-bar {
    flex: 1;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    position: relative;
    transition: all var(--transition-base);
}

.chart-bar:hover {
    transform: scaleY(1.05);
}

.bar-1 {
    background: linear-gradient(180deg, #667EEA, #764BA2);
}

.bar-2 {
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
}

.bar-3 {
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-dark));
}

.bar-label {
    position: absolute;
    top: -30px;
    font-size: var(--text-sm);
}

.chart-caption {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

/* SECTION TITLES */
.section-title {
    font-size: var(--text-4xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-2xl);
}

/* HOW IT WORKS SECTION */
.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: var(--color-neutral-50);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 968px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

.process-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-top: 4px solid;
}

.investor-path {
    border-top-color: var(--color-investor);
}

.business-path {
    border-top-color: var(--color-business);
}

.process-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.process-header h3 {
    margin: 0;
}

.badge {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.badge--investor {
    background: var(--color-investor-light);
    color: var(--color-investor);
}

.badge--business {
    background: var(--color-business-light);
    color: var(--color-business);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.step {
    display: flex;
    gap: var(--spacing-lg);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    font-weight: 700;
    flex-shrink: 0;
}

.investor-path .step-number {
    background: var(--color-investor-light);
    color: var(--color-investor);
}

.business-path .step-number {
    background: var(--color-business-light);
    color: var(--color-business);
}

.step-content h4 {
    margin: 0 0 var(--spacing-xs) 0;
}

.step-content p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

/* CALCULATOR SECTION */
.calculator-section {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 968px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

.calculator-card {
    background: var(--color-neutral-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.calculator-input {
    margin-bottom: var(--spacing-xl);
}

.calculator-input label {
    display: block;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--color-neutral-700);
}

.calculator-input input[type="number"],
.calculator-input select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: var(--font-cairo);
}

.calculator-input input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-neutral-300);
    outline: none;
    -webkit-appearance: none;
    margin-top: var(--spacing-md);
}

.calculator-input input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.calculator-input input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.calculator-results {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.comparison-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.comparison-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
}

.comparison-item:nth-child(1) {
    border-left-color: var(--color-primary);
}

.comparison-item:nth-child(2) {
    border-left-color: var(--color-neutral-400);
}

.comparison-item:nth-child(3) {
    border-left-color: var(--color-accent);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.comparison-header h4 {
    margin: 0;
}

.yield-badge {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.comparison-bar {
    height: 8px;
    background: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.bar-fill.investify {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.bar-fill.bank {
    background: var(--color-neutral-400);
}

.bar-fill.deposit {
    background: var(--color-accent);
}

.comparison-value {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.final-value {
    font-weight: 700;
    font-size: var(--text-lg);
}

.gain {
    font-size: var(--text-sm);
    color: var(--color-success);
    font-weight: 600;
}

.calculator-disclaimer {
    background: var(--color-accent-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-accent-dark);
}

/* FEATURES SECTION */
.features {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, white 50%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: var(--text-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

/* PROJECTS SECTION */
.projects-showcase {
    padding: var(--spacing-4xl) 0;
    background: var(--color-neutral-50);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 968px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.project-image {
    height: 200px;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--spacing-lg);
}

.project-category {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-neutral-700);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-content h3 {
    margin-bottom: var(--spacing-md);
}

.project-content p {
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.project-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-neutral-200);
}

.meta-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
    margin-bottom: var(--spacing-xs);
}

.meta-value {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
}

.project-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
}

.progress-text {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
    font-weight: 600;
    white-space: nowrap;
}

/* FAQ SECTION */
.faq {
    padding: var(--spacing-4xl) 0;
    background: white;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

.faq-item {
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.faq-question:hover {
    background: var(--color-primary-light);
}

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

.faq-question.active i {
    transform: rotate(-180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    padding: 0 var(--spacing-lg);
}

.faq-answer.active {
    max-height: 500px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    line-height: 1.8;
}

/* TRUST SECTION */
.trust-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-neutral-50);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

@media (max-width: 768px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
}

.trust-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.trust-icon {
    font-size: var(--text-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.trust-card h3 {
    margin-bottom: var(--spacing-md);
}

.trust-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.compliance-notice {
    background: #FEF3C7;
    border: 1px solid #FBBF24;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

.compliance-notice h3 {
    color: #92400E;
    margin-bottom: var(--spacing-lg);
}

.notice-content p {
    margin-bottom: var(--spacing-md);
    color: #78350F;
    font-size: var(--text-sm);
    line-height: 1.8;
}

.notice-content p:last-child {
    margin-bottom: 0;
}

/* CTA FINAL SECTION */
.cta-final {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    text-align: center;
}

.cta-final h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-lg);
}

.cta-final p {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-2xl);
}

/* FOOTER */
.footer {
    background: var(--color-neutral-900);
    color: var(--color-neutral-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-neutral-400);
    transition: color var(--transition-base);
}

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

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-neutral-800);
    border-radius: var(--radius-full);
    color: white;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-neutral-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--text-sm);
}

.footer-regulatory {
    margin-top: var(--spacing-md);
    color: var(--color-neutral-500);
}

/* MODALS */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 90%;
    margin: auto;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--color-neutral-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--color-neutral-200);
}

.modal h2 {
    margin-bottom: var(--spacing-lg);
}

.modal-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 480px) {
    .modal-options {
        grid-template-columns: 1fr;
    }
}

.option-card {
    background: var(--color-neutral-50);
    border: 2px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.option-card:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.option-icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-md);
}

.option-card h3 {
    margin-bottom: var(--spacing-sm);
}

.option-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-form input,
.modal-form textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-md);
    font-family: var(--font-cairo);
    font-size: var(--text-base);
}

.modal-form input:focus,
.modal-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ANIMATIONS */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-card,
.project-card,
.faq-item {
    animation: fadeIn 0.6s ease-out;
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* PRINT STYLES */
@media print {
    .navbar,
    .footer,
    .modal {
        display: none;
    }
}

/* ACCESSIBILITY */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* DARK MODE (Optional Future Feature) */
@media (prefers-color-scheme: dark) {
    /* Can be extended later */
}