/* 
   TK IT Solution - Professional Brand Identity
   Design System: Midnight Tech (Dark Mode)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Cairo:wght@300;400;700;900&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #111111;
    --accent-color: #8b5cf6; /* Modern Purple */
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 24px;
}

#liquid-ether-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.2;
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    backdrop-filter: blur(15px);
    background: rgba(5, 5, 5, 0.85);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo-text {
    display: inline-flex;
    gap: 0.5rem;
    white-space: nowrap;
    direction: ltr; /* Keeps brand name in correct order always */
}

.logo-img {
    height: 80px; /* Further scaled up */
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .logo-img {
        height: 55px; /* Balanced larger size for mobile */
    }
    .logo {
        font-size: 1.2rem;
        gap: 0.6rem;
    }
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
}

.lang-switch {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.lang-switch:hover {
    background: var(--glass-border);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
        margin-left: 1rem;
    }
    
    [dir="rtl"] .mobile-menu-toggle {
        margin-left: 0;
        margin-right: 1rem;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900; /* Super Bold */
    margin-bottom: 2rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.4), 0 15px 30px rgba(139, 92, 246, 0.5);
}

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 1100px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Glass Cards */
.card {
    flex: 0 1 350px; /* Base width for service cards */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        800px circle at var(--mouse-x) var(--mouse-y),
        rgba(139, 92, 246, 0.1),
        transparent 40%
    );
    z-index: 0;
    pointer-events: none;
}

.card > * {
    position: relative;
    z-index: 1;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.card i {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Skills Grouping */
.skills-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 1100px) {
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.skill-group {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    backdrop-filter: blur(10px);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.skill-group::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        600px circle at var(--mouse-x) var(--mouse-y),
        rgba(139, 92, 246, 0.15),
        transparent 40%
    );
    z-index: 0;
    pointer-events: none;
}

.skill-group > * {
    position: relative;
    z-index: 1;
}

[dir="rtl"] .skill-group {
    text-align: right;
    align-items: flex-start;
}

.skill-group:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.skill-group h4 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem; /* Match service title size */
    font-weight: 800;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skill-group h4 i {
    font-size: 2.5rem; /* Match service icon size */
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.skill-list {
    list-style: none;
    width: 100%;
}

.skill-list li {
    font-size: 0.8rem; /* Slightly smaller for square fit */
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    display: block;
    position: relative;
    padding: 0;
}

.skill-list li::before {
    display: none; /* Remove bullet for cleaner square look */
}

.skill-list li strong {
    color: var(--accent-color);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.info-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    flex: 1;
    min-width: 220px;
    max-width: 300px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.info-item:hover {
    transform: translateY(-10px);
    border-color: #06b6d4; /* Neon Cyan Border */
    background: rgba(139, 92, 246, 0.05);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3), 0 0 40px rgba(6, 182, 212, 0.2);
}

.info-item i {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2);
}

.info-item div p:first-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-item a, .info-item p:last-child {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--accent-color);
}



/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

/* Partners Marquee */
.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 2rem 0;
}

.marquee-content {
    display: flex;
    width: max-content;
    animation: scroll 30s linear infinite;
    gap: 4rem;
}

.logo-item {
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(1);
    opacity: 0.5;
    transition: var(--transition);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.logo-item:hover {
    filter: grayscale(0) brightness(1);
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

[dir="rtl"] .marquee-content {
    animation: scroll-rtl 30s linear infinite;
}

@keyframes scroll-rtl {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

@media (max-width: 768px) {
    .marquee-content {
        gap: 2rem;
    }
    .logo-item {
        width: 80px;
    }
}

/* Responsiveness */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        z-index: 1001;
        border-left: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    [dir="rtl"] .nav-links {
        right: auto;
        left: -100%;
        border-left: none;
        border-right: 1px solid var(--glass-border);
    }
    
    [dir="rtl"] .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

    .nav-links a {
        font-size: 1.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
}