/* Premium Professional Portfolio Styles */

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

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', 'Cairo', sans-serif;
    scroll-behavior: smooth;
    background-color: #020617;
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
}

body[dir="rtl"] {
    font-family: 'Cairo', 'Poppins', sans-serif;
}

@media (max-width: 768px) {
    [data-aos="fade-left"],
    [data-aos="fade-right"] {
        transform: none !important;
    }
    
    /* Ensure full width on mobile */
    html, body {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden !important;
    }
    
    header, main, section, footer, .container {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Fix navbar to take full width */
    header {
        left: 0;
        right: 0;
        width: 100vw;
        max-width: 100%;
    }
    
    nav {
        width: 100%;
        max-width: 100%;
    }
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, #22d3ee, #0ea5e9, #3b82f6, #6366f1);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Profile Image Animation */
.profile-image {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.profile-image:hover {
    transform: scale(1.05) rotate(3deg);
    box-shadow: 0 25px 50px -12px rgba(34, 211, 238, 0.5);
}

/* Section Fade In Animation */
.section-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Project Card Enhanced Hover Effect */
.project-card {
    transition: all 0.3s ease-in-out;
    position: relative;
    backdrop-filter: blur(10px);
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 2px;
    background: linear-gradient(135deg, transparent, rgba(34, 211, 238, 0.2), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(34, 211, 238, 0.3);
}

.project-card:hover::before {
    opacity: 1;
}

/* Skill Card Enhanced Effects */
.skill-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
    backdrop-filter: blur(10px);
}

.skill-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(34, 211, 238, 0.15), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease-in-out;
    opacity: 0;
}

.skill-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s ease-in-out;
}

.skill-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px -12px rgba(34, 211, 238, 0.4);
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* Custom Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.12), transparent 30%),
        radial-gradient(circle at 80% 30%, rgba(34, 211, 238, 0.12), transparent 30%),
        radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.08), transparent 25%),
        radial-gradient(circle at 60% 70%, rgba(99, 102, 241, 0.06), transparent 25%);
    z-index: -1;
    pointer-events: none;
    animation: backgroundFlow 20s ease-in-out infinite;
}

@keyframes backgroundFlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Timeline Styles */
.timeline-item {
    position: relative;
    padding-left: 2.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, #22d3ee, #0ea5e9, #3b82f6);
    border-radius: 2px;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -7px;
    top: 0.5rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #22d3ee;
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.6), 0 0 30px rgba(34, 211, 238, 0.3);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        box-shadow: 0 0 15px rgba(34, 211, 238, 0.6), 0 0 30px rgba(34, 211, 238, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(34, 211, 238, 0.8), 0 0 40px rgba(34, 211, 238, 0.5);
    }
}

/* Certificate Card Styles */
.certificate-card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.7));
    backdrop-filter: blur(12px);
    border: 1px solid rgba(34, 211, 238, 0.2);
    transition: all 0.3s ease-in-out;
}

.certificate-card:hover {
    transform: translateY(-5px);
    border-color: rgba(34, 211, 238, 0.5);
    box-shadow: 0 20px 40px -12px rgba(34, 211, 238, 0.3);
}

/* Floating Animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* Progress Bar Animation */
.progress-bar {
    width: 0%;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-bar.animate {
    width: var(--progress-width);
}

/* Download Button Pulse Animation */
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(34, 211, 238, 0); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Neon Glow Effect */
.neon-glow {
    text-shadow: 
        0 0 10px rgba(34, 211, 238, 0.8),
        0 0 20px rgba(34, 211, 238, 0.6),
        0 0 30px rgba(34, 211, 238, 0.4),
        0 0 40px rgba(34, 211, 238, 0.2);
}

/* Glassmorphism Effect */
.glass {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Smooth Button Transitions */
button, a.btn {
    position: relative;
    overflow: hidden;
}

button::before, a.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;
}

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

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

::-webkit-scrollbar-track {
    background: rgba(30, 41, 59, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #22d3ee, #0ea5e9, #3b82f6);
    border-radius: 5px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0ea5e9, #3b82f6, #6366f1);
}

/* Text Selection */
::selection {
    background: rgba(34, 211, 238, 0.3);
    color: #ffffff;
}

::-moz-selection {
    background: rgba(34, 211, 238, 0.3);
    color: #ffffff;
}

/* Enhanced Link Hover Effects */
a {
    position: relative;
    transition: all 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #22d3ee, #0ea5e9);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* Loading State Animation */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(34, 211, 238, 0.2);
    border-top-color: #22d3ee;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Particle Effects */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(34, 211, 238, 0.4);
    border-radius: 50%;
    animation: float-particle 20s infinite linear;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Ripple Effect on Click */
.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(34, 211, 238, 0.4);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

.ripple-effect:active::after {
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 3D Card Tilt Effect */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-3d:hover {
    transform: perspective(1000px) rotateY(2deg) rotateX(2deg);
}

/* Spotlight Effect */
.spotlight {
    position: relative;
    overflow: hidden;
}

.spotlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.spotlight:hover::before {
    opacity: 1;
}

/* Gradient Border Animation */
@keyframes gradient-border {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.animated-border {
    position: relative;
    background: linear-gradient(90deg, #22d3ee, #0ea5e9, #3b82f6, #22d3ee);
    background-size: 200% 200%;
    animation: gradient-border 3s ease infinite;
    padding: 2px;
    border-radius: 0.75rem;
}

.animated-border > * {
    border-radius: 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .particle {
        display: none;
    }
    
    .skill-card:hover {
        transform: translateY(-5px) scale(1.01);
    }
    
    .project-card:hover {
        transform: translateY(-5px);
    }
    
    .timeline-item {
        padding-left: 1.5rem;
    }
    
    .timeline-item::before {
        width: 2px;
    }
    
    .timeline-item::after {
        left: -6px;
        width: 12px;
        height: 12px;
    }
}

@media (max-width: 640px) {
    body::before {
        opacity: 0.5;
    }
}

/* Print Styles */
@media print {
    .no-print,
    #scrollToTop,
    #langToggle,
    header,
    footer,
    button {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .gradient-text {
        color: #0ea5e9 !important;
        -webkit-text-fill-color: #0ea5e9 !important;
    }
    
    .project-card,
    .skill-card,
    .certificate-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .gradient-text {
        -webkit-text-fill-color: #22d3ee;
    }
    
    button,
    .project-card,
    .skill-card {
        border: 2px solid #22d3ee;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Enhancement */
body.dark-mode {
    background-color: #000000;
}

body.dark-mode .bg-slate-900 {
    background-color: #0a0a0a;
}

/* Accessibility Improvements */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #22d3ee;
    color: #000;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}

/* Focus Visible Enhancement */
*:focus-visible {
    outline: 2px solid #22d3ee;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.7;
}

/* Premium Gradients */
.gradient-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* Icon Animations */
.icon-spin {
    animation: spin 2s linear infinite;
}

.icon-bounce {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Smooth Appearance */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-in-bottom {
    animation: slideInBottom 0.5s ease-out;
}

@keyframes slideInBottom {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}