/* ============================================
   DUBLEN - Premium Software Services Website
   Design System & Styles
   ============================================ */

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
:root {
    /* Colors - Purple Accent Theme */
    --color-bg-primary: #050505;
    --color-bg-secondary: #0a0a0a;
    --color-bg-card: rgba(20, 20, 20, 0.6);
    --color-accent: #7D2AE8;
    --color-accent-light: #9D4FFF;
    --color-accent-dark: #5E1FB8;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #707070;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7D2AE8 0%, #9D4FFF 100%);
    --gradient-hero: linear-gradient(135deg, rgba(125, 42, 232, 0.1) 0%, rgba(157, 79, 255, 0.05) 100%);
    --gradient-orb-1: radial-gradient(circle, rgba(125, 42, 232, 0.4) 0%, transparent 70%);
    --gradient-orb-2: radial-gradient(circle, rgba(157, 79, 255, 0.3) 0%, transparent 70%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Cairo', 'Tajawal', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-2xl: 3rem;
    --font-size-3xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(125, 42, 232, 0.5);
    --shadow-glow-strong: 0 0 50px rgba(125, 42, 232, 0.8);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-navbar: 1000;
    --z-floating: 999;
    --z-modal: 1100;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* English Language Support */
body[lang="en"] {
    font-family: var(--font-secondary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-light);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(125, 42, 232, 0.1);
    padding: var(--spacing-sm) 0;
    z-index: var(--z-navbar);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(125, 42, 232, 0.5));
    transition: transform var(--transition-normal);
}

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

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-shadow: var(--shadow-glow);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    position: relative;
}

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

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

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

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

.lang-switch {
    background: rgba(125, 42, 232, 0.1);
    border: 1px solid rgba(125, 42, 232, 0.3);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    min-width: 100px;
    justify-content: center;
}

.lang-switch:hover {
    background: rgba(125, 42, 232, 0.2);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: float 20s infinite ease-in-out;
}

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

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

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--gradient-orb-1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {

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

    33% {
        transform: translate(50px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 4px;
    animation: fadeInUp 1s ease;
    text-shadow: var(--shadow-glow-strong);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-description {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s backwards;
}

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary {
    background: rgba(125, 42, 232, 0.1);
    color: var(--color-text-primary);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background: rgba(125, 42, 232, 0.2);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.5rem 3rem;
    font-size: var(--font-size-lg);
}

/* ============================================
   SCROLL INDICATOR
   ============================================ */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-accent);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }

    100% {
        opacity: 0;
        top: 30px;
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

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

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(125, 42, 232, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    filter: drop-shadow(var(--shadow-glow));
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
}

.service-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-md);
}

/* Pricing Styles */
.pricing {
    margin-top: auto;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(125, 42, 232, 0.2);
    position: relative;
    z-index: 1;
}

.price-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    transition: all var(--transition-fast);
}

.price-option:hover {
    transform: translateX(5px);
}

.price-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 600;
}

.price-value {
    font-size: var(--font-size-md);
    color: var(--color-accent-light);
    font-weight: 700;
}

.price-option.single-price {
    justify-content: center;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-sm) 0;
}

.price-option.single-price .price-value {
    font-size: var(--font-size-lg);
}

/* Scroll Animation */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-description {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
    padding: var(--spacing-sm);
    background: rgba(125, 42, 232, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(125, 42, 232, 0.2);
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background: rgba(125, 42, 232, 0.1);
    transform: translateX(10px);
}

.feature-item i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid rgba(125, 42, 232, 0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.contact-item i {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
}

.contact-item h3 {
    font-size: var(--font-size-md);
    margin-bottom: 0.25rem;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(125, 42, 232, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-logo-img {
    height: 30px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(125, 42, 232, 0.4));
}

.footer-logo p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
    width: 100%;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
    z-index: var(--z-floating);
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow-strong);
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: var(--shadow-glow);
    }

    50% {
        box-shadow: var(--shadow-glow-strong);
    }
}

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

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-3xl: 3rem;
        --font-size-2xl: 2.5rem;
    }

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2.5rem;
        --font-size-2xl: 2rem;
        --font-size-xl: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        border-bottom: 1px solid rgba(125, 42, 232, 0.2);
    }

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

    .mobile-menu-toggle {
        display: block;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

/* RTL Support for Arabic */
[dir="rtl"] .feature-item:hover {
    transform: translateX(-10px);
}

/* LTR Support for English */
[dir="ltr"] {
    font-family: var(--font-secondary);
}

[dir="ltr"] .whatsapp-float {
    right: auto;
    left: 30px;
}

@media (max-width: 768px) {
    [dir="ltr"] .whatsapp-float {
        left: 20px;
    }
}