/* ADVANTA DESIGN SYSTEM */
/* Fonts loaded via preload in HTML for better performance */

/* GPU Acceleration Utility */
.transform-gpu {
    transform: translateZ(0);
    will-change: transform;
}

:root {
    --font-main: 'Cairo', sans-serif;
    --font-en: 'Inter', sans-serif;
    --color-bg: #141414;
    --color-gold: #d0ff4f;
    --color-emerald: #10b981;
    --color-text: #f9fafb;
}


html {
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    scroll-behavior: smooth;
    /* Security: Disable text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* Security: Disable image dragging */
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* Allow selection in form fields */
input, textarea, [contenteditable="true"] {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* English Language Support */
body.lang-en {
    font-family: var(--font-en);
}

.lang-en [dir="ltr"] {
    text-align: left;
}

.lang-ar {
    display: block;
}

.lang-en .lang-ar {
    display: none;
}

.lang-en .lang-en-text {
    display: block;
}

.lang-en-text {
    display: none;
}


/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #111;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

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

/* Utility Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px) translateZ(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0) translateZ(0);
}

.hover-glow {
    transition: all 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Gradient Text */
.text-gradient-gold {
    background: linear-gradient(135deg, #FFD700 0%, #D4AF37 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Terminal Contact Section */
.terminal-section {
    padding: 6rem 0;
    font-family: 'Courier New', monospace;
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05), transparent 70%);
    pointer-events: none;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.tech-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    color: #fff;
    margin-bottom: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

.tech-input:focus {
    border-color: var(--color-gold);
    outline: none;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.btn-tech {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--color-gold);
    color: #000;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-tech:hover {
    background: #FFD700;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

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

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.1);
}

.status-bar {
    background: #111;
    color: var(--color-gold);
    padding: 0.5rem 0;
    font-family: monospace;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    overflow: hidden;
}

.scrolling-text {
    display: inline-block;
    animation: marquee 30s linear infinite;
}

/* Language Toggle Logic (Hidden Classes) */
.lang-en-text {
    display: none;
}

body.lang-en .lang-ar {
    display: none;
}

body.lang-en .lang-en-text {
    display: block;
}

body.lang-en {
    direction: ltr;
    font-family: 'Inter', sans-serif;
}

@keyframes pulse-logo {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
        filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.2));
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
        filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.6));
    }
}

.animate-pulse-logo {
    animation: pulse-logo 2s ease-in-out infinite;
}

/* --- SCROLL INDICATOR --- */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%) translateZ(0);
    animation: scroll-wheel 2s infinite;
    will-change: transform, opacity;
}

.scroll-text {
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

@keyframes scroll-wheel {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 15px);
        opacity: 0;
    }
}

/* --- TEXT ANIMATIONS --- */
.text-glitch {
    position: relative;
    display: inline-block;
}

.text-glitch::before,
.text-glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-dark);
}

.text-glitch::before {
    left: 2px;
    text-shadow: -1px 0 #ff00c1;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.text-glitch::after {
    left: -2px;
    text-shadow: -1px 0 #00fff9;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(11px, 9999px, 81px, 0);
    }

    20% {
        clip: rect(58px, 9999px, 92px, 0);
    }

    40% {
        clip: rect(21px, 9999px, 12px, 0);
    }

    60% {
        clip: rect(65px, 9999px, 34px, 0);
    }

    80% {
        clip: rect(23px, 9999px, 52px, 0);
    }

    100% {
        clip: rect(14px, 9999px, 96px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(48px, 9999px, 20px, 0);
    }

    20% {
        clip: rect(7px, 9999px, 73px, 0);
    }

    40% {
        clip: rect(61px, 9999px, 4px, 0);
    }

    60% {
        clip: rect(93px, 9999px, 37px, 0);
    }

    80% {
        clip: rect(34px, 9999px, 13px, 0);
    }

    100% {
        clip: rect(2px, 9999px, 49px, 0);
    }
}

.animate-typewriter {
    overflow: hidden;
    border-right: 2px solid var(--color-gold);
    white-space: nowrap;
    animation: typing 3.5s steps(30, end), blink-caret 0.75s step-end infinite;
    display: inline-block;
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent;
    }

    50% {
        border-color: var(--color-gold);
    }
}

/* Mobile Menu */
#mobile-menu {
    transition: transform 0.3s ease-in-out;
}

#mobile-menu.hidden {
    transform: translateX(100%);
}

body.lang-english #mobile-menu.hidden {
    transform: translateX(-100%);
    /* Flip for LTR */
}

/* Accordion Styles */
.accordion-item {
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 1rem;
    border-radius: 0.75rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: rgba(212, 175, 55, 0.3);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: right;
    cursor: pointer;
    background: transparent;
    color: #fff;
    font-weight: bold;
    font-size: 1.1rem;
}

.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--color-gold);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
    color: #9ca3af;
    line-height: 1.6;
}

.accordion-item.active .accordion-content {
    padding-bottom: 1.5rem;
}


/* Advanced Backgrounds */
.bg-grid {
    background-size: 50px 50px;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

/* Modules Grid (01 Section) */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .modules-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tech-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.04);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.tech-card:hover::before {
    transform: translateX(100%);
}

.card-icon {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
}

.card-desc {
    color: #9ca3af;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Infinite Scroll Marquee */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.marquee-content {
    display: inline-flex;
    animation: marquee 20s linear infinite;
    will-change: transform;
    transform: translateZ(0);
}

.marquee-item {
    margin: 0 2rem;
    opacity: 0.5;
    transition: opacity 0.3s;
    font-size: 1.5rem;
    color: #666;
}

.marquee-item:hover {
    opacity: 1;
    color: var(--color-gold);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

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

/* --- SUPERIOR GLOBAL BACKGROUND --- */
body {
    background-color: #050505;
    position: relative;
}

/* Animated Mesh Gradient Background */
.fantastic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 50%, rgba(212, 175, 55, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05), transparent 25%);
    filter: contrast(120%);
    pointer-events: none;
    will-change: transform;
    transform: translateZ(0);
}

.fantastic-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCIgdmlld0JveD0iMCAwIDQwIDQwIj48ZyBmaWxsLXJ1bGU9ImV2ZW5vZGQiPjxnIGZpbGw9IiMzMzMiIGZpbGwtb3BhY2l0eT0iMC4wNSI+PHBhdGggZD0iTTAgMzhoNDB2MmIMVjM4ek0wIDBoNDB2MmIMVjB6Ii8+PC9nPjwvZz48L3N2Zz4=');
    opacity: 0.4;
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {

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

    10% {
        transform: translate(-5%, -10%);
    }

    20% {
        transform: translate(-15%, 5%);
    }

    30% {
        transform: translate(7%, -25%);
    }

    40% {
        transform: translate(-5%, 25%);
    }

    50% {
        transform: translate(-15%, 10%);
    }

    60% {
        transform: translate(15%, 0%);
    }

    70% {
        transform: translate(0%, 15%);
    }

    80% {
        transform: translate(3%, 35%);
    }

    90% {
        transform: translate(-10%, 10%);
    }
}

/* --- REFINED SYSTEMS GRID (Holographic Prisms) --- */
.tech-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.02);
    padding: 3rem 2rem;
    border-radius: 2rem;
    transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transform-style: preserve-3d;
    will-change: transform;
    transform: translateZ(0);
}

.tech-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    z-index: -1;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 40%, rgba(212, 175, 55, 0.1));
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0.5;
}

.tech-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: -1;
}

.tech-card:hover {
    transform: translateY(-15px) rotateX(2deg) rotateY(2deg);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.6),
        0 0 30px rgba(212, 175, 55, 0.1);
}

.tech-card:hover::after {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 2rem;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: inline-block;
    filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.3));
    will-change: transform;
    transform: translateZ(0);
}

.tech-card:hover .card-icon {
    transform: scale(1.2) translateZ(20px);
}

.card-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
    letter-spacing: -0.5px;
    transform: translateZ(10px);
}

.card-desc {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 1rem;
    transform: translateZ(5px);
}

/* --- MODERN CONTACT SECTION (No Terminal) --- */
.modern-contact {
    padding: 6rem 0;
    position: relative;
}

.modern-form-card {
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 2rem;
    padding: 4rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modern-input-group {
    position: relative;
    margin-bottom: 2rem;
}

.modern-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    font-size: 1.1rem;
    color: #fff;
    transition: all 0.3s ease;
    border-radius: 0;
}

.modern-input:focus {
    outline: none;
    border-bottom-color: var(--color-gold);
}

.modern-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.3s ease;
}

.modern-input:focus::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.modern-select {
    width: 100%;
    background: #0f0f0f;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 0.75rem;
    color: #fff;
    margin-bottom: 2rem;
    cursor: pointer;
}

.btn-modern {
    background: linear-gradient(135deg, var(--color-gold), #B8860B);
    color: #000;
    font-weight: 800;
    padding: 1.25rem 3rem;
    border-radius: 1rem;
    border: none;
    cursor: pointer;
    width: 100%;
    font-size: 1.2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px -10px rgba(212, 175, 55, 0.5);
}

.btn-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -15px rgba(212, 175, 55, 0.7);
}

/* Status Bar Refined */
/* Status Bar Refined */

/* --- 3D COMMAND HERO --- */

/* --- 3D COMMAND HERO --- */
.hero-perspective {
    perspective: 1000px;
    transform-style: preserve-3d;
    will-change: transform;
}

.transform-style-3d {
    transform-style: preserve-3d;
}

.translate-z-20 {
    transform: translateZ(20px);
}

.translate-z-30 {
    transform: translateZ(30px);
}

.translate-z-40 {
    transform: translateZ(40px);
}

@keyframes shine {
    100% {
        left: 125%;
        transform: translateX(100%);
    }
}

.animate-shine {
    animation: shine 1s;
}

@keyframes float-slow {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-medium {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }
}

.animate-float-slow {
    animation: float-slow 6s ease-in-out infinite;
    will-change: transform;
    transform: translateZ(0);
}

.animate-float-medium {
    animation: float-medium 5s ease-in-out infinite;
    will-change: transform;
    transform: translateZ(0);
}

.animate-pulse-slow {
    animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}