/* 
   Cybersecurity Portfolio Styles
   Author: Zyad Mohamed Elsheshtawy 
*/

:root {
    /* Color Palette - Dark Theme Default */
    --bg-main: #0a0e17; /* Deep dark blue */
    --bg-alt: rgba(17, 24, 39, 0.4);  /* Glassy slightly lighter dark */
    --bg-card: rgba(31, 41, 55, 0.4); /* Glassy Card background */
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --accent-color: #00ffcc; /* Neon cyan/green (cyber vibe) */
    --accent-glow: rgba(0, 255, 204, 0.4);
    --border-color: #374151;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --nav-height: 80px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme Variables */
.light-theme {
    --bg-main: #f9fafb;
    --bg-alt: rgba(255, 255, 255, 0.5);
    --bg-card: rgba(243, 244, 246, 0.6);
    --text-main: #111827;
    --text-muted: #4b5563;
    --accent-color: #0284c7; /* Darker blue for light theme */
    --accent-glow: rgba(2, 132, 199, 0.3);
    --border-color: #e5e7eb;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

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

/* Global Animated Background Blobs */
.global-bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(100px);
    opacity: 0.5;
    border-radius: 50%;
    animation: move-blob 25s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background: var(--accent-glow);
    animation-delay: 0s;
}

.blob-2 {
    top: 50%;
    right: -10%;
    width: 35vw;
    height: 35vw;
    background: rgba(0, 150, 255, 0.15);
    animation-delay: -5s;
}

.blob-3 {
    top: 20%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: rgba(138, 43, 226, 0.15); /* Purple cyber hue */
    animation-delay: -10s;
}

.light-theme .blob-2 {
    background: rgba(2, 132, 199, 0.15);
}
.light-theme .blob-3 {
    background: rgba(100, 100, 255, 0.15);
}

@keyframes move-blob {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(8vw, 15vh) scale(1.1); }
    66% { transform: translate(-10vw, -10vh) scale(0.9); }
    100% { transform: translate(15vw, -5vh) scale(1.05); }
}

/* Scanlines Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.05) 50%,
        rgba(0, 0, 0, 0.05)
    );
    background-size: 100% 4px;
    z-index: -1;
    pointer-events: none;
    opacity: 0.8;
}

.light-theme .scanlines {
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0),
        rgba(0, 0, 0, 0) 50%,
        rgba(0, 0, 0, 0.03) 50%,
        rgba(0, 0, 0, 0.03)
    );
    background-size: 100% 4px;
}

/* Cyber Particles */
.cyber-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
    border-radius: 50%;
    animation: float-up linear infinite;
    opacity: 0;
}

.p-1 { left: 10%; animation-duration: 8s; animation-delay: 0s; }
.p-2 { left: 25%; animation-duration: 12s; animation-delay: 2s; width: 4px; height: 4px; }
.p-3 { left: 45%; animation-duration: 10s; animation-delay: 4s; }
.p-4 { left: 60%; animation-duration: 14s; animation-delay: 1s; width: 5px; height: 5px; }
.p-5 { left: 80%; animation-duration: 9s; animation-delay: 3s; }
.p-6 { left: 90%; animation-duration: 11s; animation-delay: 5s; }
.p-7 { left: 35%; animation-duration: 13s; animation-delay: 6s; width: 6px; height: 6px; }
.p-8 { left: 75%; animation-duration: 7s; animation-delay: 2.5s; }

@keyframes float-up {
    0% {
        transform: translateY(110vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
        transform: translateY(100vh) scale(1);
    }
    90% {
        opacity: 0.8;
        transform: translateY(10vh) scale(1);
    }
    100% {
        transform: translateY(-10vh) scale(0);
        opacity: 0;
    }
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Geometry */
.section {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--bg-alt);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 4px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 20%;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-glow);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: -1.5rem;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 0 15px var(--accent-glow);
    animation: pulse-glow 2s infinite;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 25px var(--accent-glow) inset;
    animation: none;
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-main);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal);
}

.light-theme .navbar {
    background-color: rgba(249, 250, 251, 0.9);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    bottom: -5px;
    left: 0;
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-main);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.theme-btn:hover {
    color: var(--accent-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-main);
    transition: all 0.3s ease-in-out;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 50px;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
    max-width: 450px;
}

.hero-img {
    width: clamp(200px, 80%, 380px);
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 25px var(--accent-glow);
}

.greeting {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero .intro {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

/* Animated Cyber Pattern Background Effect */
.hero-bg-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        radial-gradient(var(--accent-glow) 1px, transparent 1px),
        radial-gradient(var(--accent-glow) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
    animation: move-bg-pattern 20s linear infinite;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.about-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    z-index: 0;
    border-radius: 8px;
}

.about-image {
    background-color: var(--bg-card);
    aspect-ratio: 1/1;
    border-radius: 8px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.personal-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 500;
}

.info-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Career Objective */
.objective-card {
    background-color: var(--bg-card);
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform var(--transition-normal);
}

.objective-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-glow);
}

.objective-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.objective-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.objective-card p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.skill-category {
    background-color: var(--bg-alt);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px var(--accent-glow);
    transform: translateY(-5px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.category-header i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.skill-list li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.skill-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-family: monospace;
}

.platforms-banner {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.platforms-banner h3 {
    margin-bottom: 1.5rem;
}

.platform-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.tag {
    background-color: rgba(0, 255, 204, 0.1);
    color: var(--accent-color);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--accent-glow);
}

.light-theme .tag {
    background-color: rgba(2, 132, 199, 0.1);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--bg-main);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

.project-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-link {
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    position: relative;
}

.project-link i {
    transition: transform var(--transition-fast);
}

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

.project-link:hover i {
    transform: translateX(5px);
}

/* Experience Section (Timeline) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 2rem 3rem;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(odd) ul {
    direction: rtl;
}

.timeline-item:nth-child(odd) ul li {
    padding-right: 1.5rem;
    padding-left: 0;
}

.timeline-item:nth-child(odd) ul li::before {
    left: auto;
    right: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background-color: var(--bg-main);
    border: 4px solid var(--accent-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform var(--transition-normal);
}

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

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.timeline-date {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content ul {
    color: var(--text-muted);
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
    text-align: left;
    direction: ltr; /* Reset direction for ltr text */
}

.timeline-content ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    background-color: rgba(0, 255, 204, 0.03);
    border-color: var(--accent-color);
}

.light-theme .service-card:hover {
    background-color: rgba(2, 132, 199, 0.03);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--bg-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    box-shadow: 0 0 20px var(--accent-glow);
    background-color: var(--accent-color);
    color: #000;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--text-main);
    transition: color var(--transition-fast);
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

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

/* Base Keyframe Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 15px var(--accent-glow); }
    50% { box-shadow: 0 0 25px var(--accent-color); }
    100% { box-shadow: 0 0 15px var(--accent-glow); }
}
@keyframes move-bg-pattern {
    0% {
        background-position: 0 0, 20px 20px;
    }
    100% {
        background-position: 40px 40px, 60px 60px;
    }
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.social-icon:hover {
    background-color: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--accent-glow);
}

.contact-form {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--bg-main);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer p {
    color: var(--text-muted);
}

.back-to-top {
    width: 40px;
    height: 40px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: all var(--transition-normal);
}

.back-to-top:hover {
    background-color: var(--accent-color);
    color: #000;
}

/* Animations (Intersection Observer Targets) */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.fade-in.appear {
    opacity: 1;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.appear {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left.appear {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right.appear {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Design */
@media screen and (max-width: 992px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
        margin-top: 20px;
        gap: 2rem;
    }

    .hero-image-wrapper {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero h1 {
        font-size: 3rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .timeline::before {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 80px;
        padding-right: 0;
    }

    .timeline-item:nth-child(even),
    .timeline-item:nth-child(odd) {
        left: 0;
        text-align: left;
    }

    .timeline-dot {
        left: 21px !important;
    }

    .timeline-item:nth-child(odd) ul {
        direction: ltr;
    }

    .timeline-item:nth-child(odd) ul li {
        padding-right: 0;
        padding-left: 1.5rem;
    }

    .timeline-item:nth-child(odd) ul li::before {
        left: 0;
        right: auto;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media screen and (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background-color: var(--bg-alt);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: left 0.3s ease;
        backdrop-filter: blur(15px); /* Add glassmorphism to mobile menu */
    }

    .nav-links.active {
        left: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }

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

    .section-title {
        font-size: 2rem;
    }
}

@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
    
    .timeline-item {
        padding-left: 60px;
    }

    .objective-card {
        padding: 2rem 1.5rem;
    }
}

/* Glassmorphism Classes for Cards and Sections */
.skill-category, .project-card, .service-card, .objective-card, .timeline-content, .contact-form, .about-image {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.bg-alt {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Cybersecurity Glitch Effect */
.glitch {
    position: relative;
    color: var(--text-main);
    display: inline-block;
    z-index: 1;
}

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

.glitch::before {
    left: 3px;
    text-shadow: -2px 0 red;
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -3px;
    text-shadow: -2px 0 var(--accent-color);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(66px, 9999px, 81px, 0); }
    5% { clip: rect(100px, 9999px, 4px, 0); }
    10% { clip: rect(59px, 9999px, 73px, 0); }
    15% { clip: rect(138px, 9999px, 86px, 0); }
    20% { clip: rect(147px, 9999px, 142px, 0); }
    25% { clip: rect(139px, 9999px, 144px, 0); }
    30% { clip: rect(84px, 9999px, 4px, 0); }
    35% { clip: rect(81px, 9999px, 59px, 0); }
    40% { clip: rect(66px, 9999px, 114px, 0); }
    45% { clip: rect(133px, 9999px, 3px, 0); }
    50% { clip: rect(84px, 9999px, 11px, 0); }
    55% { clip: rect(32px, 9999px, 92px, 0); }
    60% { clip: rect(48px, 9999px, 63px, 0); }
    65% { clip: rect(72px, 9999px, 127px, 0); }
    70% { clip: rect(76px, 9999px, 93px, 0); }
    75% { clip: rect(59px, 9999px, 128px, 0); }
    80% { clip: rect(66px, 9999px, 2px, 0); }
    85% { clip: rect(56px, 9999px, 52px, 0); }
    90% { clip: rect(98px, 9999px, 137px, 0); }
    95% { clip: rect(66px, 9999px, 89px, 0); }
    100% { clip: rect(86px, 9999px, 149px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 49px, 0); }
    5% { clip: rect(56px, 9999px, 81px, 0); }
    10% { clip: rect(92px, 9999px, 79px, 0); }
    15% { clip: rect(144px, 9999px, 17px, 0); }
    20% { clip: rect(122px, 9999px, 60px, 0); }
    25% { clip: rect(113px, 9999px, 7px, 0); }
    30% { clip: rect(77px, 9999px, 53px, 0); }
    35% { clip: rect(137px, 9999px, 67px, 0); }
    40% { clip: rect(1px, 9999px, 141px, 0); }
    45% { clip: rect(71px, 9999px, 124px, 0); }
    50% { clip: rect(2px, 9999px, 58px, 0); }
    55% { clip: rect(138px, 9999px, 3px, 0); }
    60% { clip: rect(150px, 9999px, 84px, 0); }
    65% { clip: rect(95px, 9999px, 133px, 0); }
    70% { clip: rect(117px, 9999px, 47px, 0); }
    75% { clip: rect(120px, 9999px, 11px, 0); }
    80% { clip: rect(54px, 9999px, 66px, 0); }
    85% { clip: rect(114px, 9999px, 142px, 0); }
    90% { clip: rect(61px, 9999px, 20px, 0); }
    95% { clip: rect(60px, 9999px, 31px, 0); }
    100% { clip: rect(85px, 9999px, 110px, 0); }
}