/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --primary-dark: #5b4cdb;
    --secondary: #00cec9;
    --accent: #fd79a8;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
    
    /* Neutral Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16161f;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6c6c7c;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    --gradient-dark: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 25px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.3);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-code: 'Fira Code', monospace;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 20px;
    --radius-full: 50%;
}

/* ==================== Reset & Base Styles ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

::selection {
    background: var(--primary);
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ==================== Custom Cursor ==================== */
.cursor {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease, opacity 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.1s ease, width 0.1s ease, height 0.1s ease, opacity 0.2s ease;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .cursor, .cursor-follower {
        display: none;
    }
}

/* ==================== Container ==================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(108, 92, 231, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-social {
    display: flex;
    gap: 10px;
}

.nav-social-link {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

@media (max-width: 576px) {
    .nav-social {
        display: none;
    }
}

.logo {
    font-family: var(--font-code);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition-normal);
}

.logo:hover {
    text-shadow: 0 0 20px var(--primary);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.5rem;
    }
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 20px;
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: slideInLeft 1s ease forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.greeting {
    font-size: 1.2rem;
    color: var(--primary-light);
    margin-bottom: 10px;
    font-weight: 500;
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    position: relative;
}

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

.typing-container {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    height: 40px;
}

.static-text {
    color: var(--text-secondary);
}

.dynamic-text {
    color: var(--secondary);
    font-weight: 600;
    margin-left: 4px;
}

.cursor-blink {
    color: var(--primary);
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: inline;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease forwards;
}

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

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.6; }
}

.image-border {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    border: 3px solid transparent;
    border-radius: 50%;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                var(--gradient-primary) border-box;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.profile-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--primary);
    overflow: hidden;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.icon-1 { top: 10%; left: 10%; animation-delay: 0s; }
.icon-2 { top: 5%; right: 20%; animation-delay: 0.5s; }
.icon-3 { bottom: 20%; right: 5%; animation-delay: 1s; }
.icon-4 { bottom: 10%; left: 15%; animation-delay: 1.5s; }
.icon-5 { top: 40%; right: 0; animation-delay: 2s; }

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(15px); }
}

.scroll-text {
    font-size: 0.8rem;
}

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

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-description {
        margin: 0 auto 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .image-container {
        width: 300px;
        height: 300px;
    }
    
    .image-glow {
        width: 250px;
        height: 250px;
    }
    
    .image-border {
        width: 240px;
        height: 240px;
    }
    
    .profile-placeholder {
        width: 220px;
        height: 220px;
        font-size: 5rem;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ==================== Section Styles ==================== */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    font-family: var(--font-code);
    font-size: 1rem;
    color: var(--primary-light);
    opacity: 0.7;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 15px 0;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-secondary);
    margin-top: 15px;
    font-size: 1.1rem;
}

.section-footer {
    text-align: center;
    margin-top: 60px;
}

/* ==================== About Section ==================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-img-container {
    position: relative;
}

.about-img-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary);
    position: relative;
    overflow: hidden;
}

.about-img-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary), transparent);
    animation: rotate 5s linear infinite;
}

.about-img-placeholder i {
    position: relative;
    z-index: 1;
    background: var(--bg-tertiary);
    padding: 60px;
    border-radius: var(--radius-md);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    padding: 20px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.exp-text {
    font-size: 0.9rem;
    opacity: 0.9;
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item i {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.about-buttons {
    display: flex;
    gap: 20px;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-img-container {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .about-buttons {
        flex-direction: column;
    }
}

/* ==================== Skills Section ==================== */
.skills {
    background: var(--bg-secondary);
}

/* ==================== Experience Section ==================== */
.experience {
    background: var(--bg-primary);
}

.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 50px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -38px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 15px var(--primary);
}

.timeline-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: rgba(108, 92, 231, 0.2);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.timeline-content {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.timeline-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.timeline-date {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-light);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.timeline-company i {
    color: var(--secondary);
}

.timeline-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.timeline-tags span {
    padding: 5px 15px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.timeline-tags span:hover {
    background: var(--primary);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .experience-timeline {
        padding-left: 30px;
    }
    
    .experience-timeline::before {
        left: 10px;
    }
    
    .timeline-marker {
        left: -28px;
    }
    
    .timeline-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .timeline-content:hover {
        transform: translateX(5px);
    }
}

/* Experience Card Styles */
.experience-card {
    display: flex;
    gap: 25px;
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 30px;
    transition: var(--transition-normal);
}

.experience-card:last-child {
    margin-bottom: 0;
}

.experience-card:hover {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.experience-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.experience-content {
    flex: 1;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.experience-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.experience-date {
    background: var(--gradient-primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.experience-subtitle {
    color: var(--primary-light);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.experience-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.experience-list li {
    position: relative;
    padding-left: 20px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.7;
}

.experience-list li:last-child {
    margin-bottom: 0;
}

.experience-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

@media (max-width: 768px) {
    .experience-card {
        flex-direction: column;
        gap: 20px;
    }
    
    .experience-card:hover {
        transform: translateX(5px);
    }
    
    .experience-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .experience-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

.skills-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.tab-btn:hover {
    color: var(--text-primary);
    border-color: var(--primary);
}

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

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.skill-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.skill-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary);
    transition: var(--transition-normal);
}

.skill-card:hover .skill-icon {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.skill-card h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.skill-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 1s ease;
}

.skill-percent {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.course-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.course-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.course-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.course-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.course-badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.course-badge.completed {
    background: rgba(0, 184, 148, 0.2);
    color: var(--success);
}

/* Tools Grid */
.tools-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

/* Security Grid */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.security-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.security-card:hover {
    border-color: var(--danger);
    box-shadow: 0 0 30px rgba(214, 48, 49, 0.2);
}

.security-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--danger) 0%, var(--accent) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.security-card h4 {
    margin-bottom: 10px;
}

.security-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Soft Skills */
.soft-skills {
    margin-top: 60px;
    text-align: center;
}

.soft-skills-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.soft-skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.soft-skill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border-radius: 30px;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.soft-skill-item:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.soft-skill-item i {
    color: var(--secondary);
}

.soft-skill-item:hover i {
    color: var(--text-primary);
}

/* ==================== Projects Section ==================== */
.projects {
    background: var(--bg-primary);
}

.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid var(--bg-tertiary);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-primary);
}

.projects-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    width: 350px;
    flex-shrink: 0;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary);
    transition: var(--transition-normal);
}

.project-card:hover .project-placeholder {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(108, 92, 231, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-links {
    display: flex;
    gap: 20px;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-link {
    transform: translateY(0);
    opacity: 1;
}

.project-card:hover .project-link:nth-child(2) {
    transition-delay: 0.1s;
}

.project-link:hover {
    background: var(--secondary);
    color: var(--text-primary);
}

.project-info {
    padding: 25px;
}

.project-date {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--secondary);
    background: rgba(0, 206, 201, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.project-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(108, 92, 231, 0.15);
}

.project-card.featured::before {
    content: 'Featured';
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 10;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-light);
}

@media (max-width: 576px) {
    .projects-grid {
        justify-content: center;
    }
    
    .project-card {
        width: 100%;
        max-width: 350px;
    }
}

/* ==================== Interests Section ==================== */
.interests {
    background: var(--bg-primary);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.interest-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.interest-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary);
    box-shadow: 0 0 30px rgba(0, 206, 201, 0.2);
}

.interest-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--secondary);
    transition: var(--transition-normal);
}

.interest-card:hover .interest-icon {
    background: var(--secondary);
    color: var(--text-primary);
    transform: rotateY(180deg);
}

.interest-card h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.interest-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== Contact Section ==================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-card:hover {
    border-color: var(--primary);
    transform: translateX(10px);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.info-details h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-muted);
}

.info-details p {
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

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

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--text-muted);
    transition: var(--transition-normal);
    pointer-events: none;
    background: var(--bg-tertiary);
    padding: 0 5px;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -10px;
    font-size: 0.85rem;
    color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
}

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

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-primary);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-code);
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-quote {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

/* ==================== Back to Top Button ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ==================== Utility Classes ==================== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ==================== Animations ==================== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== Particle Effect ==================== */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat 15s linear infinite;
}

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

/* ==================== Loading Animation ==================== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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