/* ============================================
   NeuraWeb AI - Modern CSS Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&family=Cairo:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Colors - Light Mode */
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8eef3;
    --surface: #ffffff;
    --surface-elevated: #ffffff;

    /* Brand Colors */
    --primary: #4169E1;
    --primary-light: #6B8DF5;
    --primary-dark: #2E4DB0;
    --secondary: #9370DB;
    --secondary-light: #B19AEA;
    --accent: #00CED1;
    --accent-light: #40E0D0;
    --gradient-1: linear-gradient(135deg, #00CED1 0%, #4169E1 50%, #9370DB 100%);
    --gradient-2: linear-gradient(135deg, #4169E1 0%, #9370DB 100%);
    --gradient-3: linear-gradient(180deg, rgba(65, 105, 225, 0.1) 0%, rgba(147, 112, 219, 0.1) 100%);
    --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #2d1b4e 100%);

    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* 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;

    /* Typography */
    --font-primary: 'Poppins', 'Cairo', sans-serif;
    --font-secondary: 'Inter', 'Cairo', sans-serif;
    --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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(65, 105, 225, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(0, 206, 209, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-slower: 700ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ============================================
   Dark Mode
   ============================================ */
[data-theme="dark"] {
    --bg-primary: #0a0a1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --surface: #1a1a2e;
    --surface-elevated: #252545;

    --primary: #40E0D0;
    --primary-light: #64FFDA;
    --primary-dark: #20B2AA;
    --secondary: #DA70D6;
    --secondary-light: #EE82EE;
    --accent: #1E90FF;
    --accent-light: #00BFFF;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(64, 224, 208, 0.3);
    --shadow-glow-accent: 0 0 40px rgba(30, 144, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
    background-color: var(--bg-primary);
}

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
    position: relative;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* RTL Support */
[dir="rtl"] {
    font-family: 'Cairo', 'Poppins', sans-serif;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    list-style: none;
}

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

input,
textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-lg);
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--surface);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-icon:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-sm) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(26, 26, 46, 0.9);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    min-height: 50px;
    direction: ltr;
    /* Force LTR for header to keep logo on left */
}

/* Logo - Always on the physical left */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
}

.header .logo {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    flex-shrink: 0;
}

.header .logo:hover {
    transform: scale(1.02);
}

.logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 4px 12px rgba(64, 224, 208, 0.3));
    transition: filter var(--transition-base);
}

.header .logo img {
    height: 40px;
}

.logo:hover img {
    filter: drop-shadow(0 6px 16px rgba(64, 224, 208, 0.5));
}

.logo-text {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.header .logo-text {
    font-size: var(--font-size-lg);
}

/* Navigation - Always centered */
.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    margin: 0 var(--space-xl);
}

.nav-list {
    display: flex;
    gap: var(--space-md);
    direction: rtl;
    /* Keep nav items in RTL order for Arabic */
}

[lang="en"] .nav-list {
    direction: ltr;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Nav Actions - Always on the physical right, buttons never swap */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* Improved Toggle Buttons */
.theme-toggle,
.lang-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    color: var(--text-primary);
    position: relative;
    cursor: pointer;
}

.theme-toggle:hover,
.lang-toggle:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(64, 224, 208, 0.3);
    border-color: var(--primary);
    background: var(--primary);
}

.theme-toggle:hover svg,
.theme-toggle:hover span,
.lang-toggle:hover span {
    color: white;
}

.theme-toggle svg,
.lang-toggle svg {
    width: 20px;
    height: 20px;
    transition: all var(--transition-base);
}

.theme-toggle:hover svg {
    transform: rotate(15deg) scale(1.1);
}

/* Language Toggle - Special Styling */
.lang-toggle {
    font-size: var(--font-size-sm);
    font-weight: 700;
    min-width: 44px;
    letter-spacing: 0.5px;
}

.lang-toggle span {
    position: relative;
    z-index: 2;
    color: var(--text-primary);
    font-weight: 700;
    transition: all var(--transition-base);
}

.lang-toggle:hover span {
    color: white;
    transform: scale(1.1);
}

/* Active state for better feedback */
.theme-toggle:active,
.lang-toggle:active {
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--surface);
        flex-direction: column;
        padding: var(--space-4xl) var(--space-xl);
        gap: var(--space-lg);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .nav-list.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-4xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--accent-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-6xl);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-title .highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    font-weight: 500;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Particle Canvas */
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Gradient Orbs */
.hero-orbs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--bg-secondary);
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary);
    border-radius: var(--radius-2xl);
    z-index: -1;
}

.about-content h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.about-feature-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.about-feature h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.about-feature p {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin: 0;
}

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

    .about-image {
        order: -1;
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.service-category {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.service-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--primary);
}

.service-category-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
}

.service-category h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-category>p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

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

.service-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.service-item:hover {
    background: var(--gradient-3);
    transform: translateX(5px);
}

[dir="rtl"] .service-item:hover {
    transform: translateX(-5px);
}

.service-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.service-item h4 {
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-xs);
}

.service-item p {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin: 0;
}

/* ============================================
   Portfolio Section
   ============================================ */
.portfolio {
    background: var(--bg-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    color: white;
    margin-bottom: var(--space-sm);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay h3 {
    transform: translateY(0);
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transform: translateY(20px);
    transition: transform var(--transition-base) 0.1s;
}

.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

.portfolio-tags {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.portfolio-tag {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: white;
    backdrop-filter: blur(5px);
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us {
    background: var(--bg-primary);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.why-us-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.why-us-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.why-us-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

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

.why-us-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    font-size: var(--font-size-3xl);
    transition: all var(--transition-base);
}

.why-us-card:hover .why-us-icon {
    background: var(--gradient-1);
    transform: scale(1.1) rotate(5deg);
}

.why-us-card h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.why-us-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Process Section (How We Work)
   ============================================ */
.process {
    background: var(--bg-secondary);
}

.process-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    color: var(--text-secondary);
}

.process-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

[dir="rtl"] .process-timeline::before {
    left: 50%;
    right: auto;
}

.process-step {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.process-step:nth-child(odd) {
    flex-direction: row;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.process-step-content {
    width: calc(50% - 40px);
    background: var(--surface);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.process-step-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.process-step-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    z-index: 1;
    box-shadow: var(--shadow-glow);
}

.process-step-content h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.process-step-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .process-timeline::before {
        left: 30px;
    }

    [dir="rtl"] .process-timeline::before {
        left: auto;
        right: 30px;
    }

    .process-step,
    .process-step:nth-child(odd),
    .process-step:nth-child(even) {
        flex-direction: row;
        padding-left: 80px;
    }

    [dir="rtl"] .process-step,
    [dir="rtl"] .process-step:nth-child(odd),
    [dir="rtl"] .process-step:nth-child(even) {
        padding-left: 0;
        padding-right: 80px;
    }

    .process-step-content {
        width: 100%;
    }

    .process-step-number {
        left: 30px;
        width: 50px;
        height: 50px;
        font-size: var(--font-size-base);
    }

    [dir="rtl"] .process-step-number {
        left: auto;
        right: 30px;
    }
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.contact-info h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.contact-method-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
    flex-shrink: 0;
}

.contact-method h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-method p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.contact-form-wrapper {
    background: var(--surface);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(65, 105, 225, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

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

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: var(--space-2xl) 0 var(--space-md);
    border-top: 1px solid var(--bg-tertiary);
}

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

/* Footer Logo - Only logo, no company name */
.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand .logo img {
    height: 50px;
    filter: drop-shadow(0 2px 6px rgba(64, 224, 208, 0.2));
}

.footer-brand .logo-text {
    display: block;
    font-size: var(--font-size-xl);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.footer-column h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

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

.footer-links a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
    padding-inline-start: var(--space-sm);
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--bg-tertiary);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* Footer Social Links */
.footer-brand .social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.footer-brand .social-link {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.footer-brand .social-link svg {
    width: 22px;
    height: 22px;
}

.footer-brand .social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes pulse {

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

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes float {

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

    25% {
        transform: translate(50px, -50px);
    }

    50% {
        transform: translate(0, -100px);
    }

    75% {
        transform: translate(-50px, -50px);
    }
}

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

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transition: all var(--transition-slower);
}

.animate-on-scroll.animated {
    opacity: 1;
}

.animate-on-scroll.fade-up {
    transform: translateY(40px);
}

.animate-on-scroll.fade-up.animated {
    transform: translateY(0);
}

.animate-on-scroll.fade-down {
    transform: translateY(-40px);
}

.animate-on-scroll.fade-down.animated {
    transform: translateY(0);
}

.animate-on-scroll.fade-left {
    transform: translateX(-40px);
}

.animate-on-scroll.fade-left.animated {
    transform: translateX(0);
}

.animate-on-scroll.fade-right {
    transform: translateX(40px);
}

.animate-on-scroll.fade-right.animated {
    transform: translateX(0);
}

.animate-on-scroll.scale-in {
    transform: scale(0.9);
}

.animate-on-scroll.scale-in.animated {
    transform: scale(1);
}

/* Stagger delays */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

.stagger-6 {
    transition-delay: 0.6s;
}

.stagger-7 {
    transition-delay: 0.7s;
}

.stagger-8 {
    transition-delay: 0.8s;
}

.stagger-9 {
    transition-delay: 0.9s;
}

/* ============================================
   Responsive Typography
   ============================================ */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-xl);
    }

    .hero-title {
        font-size: 2.5rem;
        /* Better control than 6xl variable on very small screens */
    }

    .hero-description {
        font-size: var(--font-size-base);
    }
}

/* ============================================
   Scroll Progress Bar
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-1);
    z-index: calc(var(--z-fixed) + 1);
    transform-origin: left;
    transform: scaleX(0);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    cursor: pointer;
}

[dir="rtl"] .back-to-top {
    right: auto;
    left: 30px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ============================================
   Loading Overlay
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Form Message Animations
   ============================================ */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}