/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --primary-color: #00f0ff;
    --secondary-color: #7000ff;
    --accent-color: #ff00e5;
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(20, 20, 30, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #b0b0c8;
    --text-muted: #6b6b8a;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    --gradient-bg: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;

    /* Effects */
    --blur-sm: 10px;
    --blur-md: 20px;
    --blur-lg: 40px;
    --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
body.light-theme {
    --bg-dark: #f5f5fa;
    --bg-darker: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8a8aa0;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ==================== Loading Screen ==================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin-bottom: 2rem;
}

.loader-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid transparent;
}

.loader-ring:nth-child(1) {
    width: 150px;
    height: 150px;
    border-top-color: var(--primary-color);
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
    width: 120px;
    height: 120px;
    border-right-color: var(--secondary-color);
    animation: spin 2s linear infinite reverse;
}

.loader-ring:nth-child(3) {
    width: 90px;
    height: 90px;
    border-bottom-color: var(--accent-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.loader-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.loading-progress {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.loading-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 0.3s ease;
}

.loading-message {
    color: var(--text-secondary);
    font-size: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

/* ==================== Scroll Progress Bar ==================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

/* ==================== Background Animation ==================== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

#particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-card);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.logo-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(15px);
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

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

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

.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(180deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

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

.glitch-wrapper {
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.glitch {
    position: relative;
}

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

.glitch::before {
    animation: glitch-1 2s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
    animation: glitch-2 2s infinite;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
    0%, 100% {
        transform: translate(0);
    }
    20% {
        transform: translate(-3px, 3px);
    }
    40% {
        transform: translate(-3px, -3px);
    }
    60% {
        transform: translate(3px, 3px);
    }
    80% {
        transform: translate(3px, -3px);
    }
}

@keyframes glitch-2 {
    0%, 100% {
        transform: translate(0);
    }
    20% {
        transform: translate(3px, -3px);
    }
    40% {
        transform: translate(3px, 3px);
    }
    60% {
        transform: translate(-3px, -3px);
    }
    80% {
        transform: translate(-3px, 3px);
    }
}

.typing-container {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.typing-text {
    color: var(--primary-color);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    filter: blur(20px);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-primary:hover .btn-glow {
    opacity: 0.6;
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.3);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

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

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

.avatar-ring,
.avatar-ring-2 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid;
}

.avatar-ring {
    width: 100%;
    height: 100%;
    border-color: var(--primary-color);
    animation: rotate 10s linear infinite;
}

.avatar-ring-2 {
    width: 85%;
    height: 85%;
    border-color: var(--accent-color);
    animation: rotate 15s linear infinite reverse;
}

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

.avatar {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.avatar-image {
    width: 75%;
    height: 75%;
    object-fit: cover;
    border-radius: 50%;
}

.avatar-inner {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    color: var(--bg-dark);
}

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

.float-icon {
    position: absolute;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

.float-icon:nth-child(1) {
    top: 10%;
    left: 10%;
}

.float-icon:nth-child(2) {
    top: 10%;
    right: 10%;
}

.float-icon:nth-child(3) {
    bottom: 10%;
    left: 10%;
}

.float-icon:nth-child(4) {
    bottom: 10%;
    right: 10%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    margin: 0 auto 0.5rem;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 20px;
    }
}

.scroll-indicator p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ==================== Common Section Styles ==================== */
section {
    padding: var(--spacing-xl) 2rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ==================== Glass Card ==================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: rgba(0, 240, 255, 0.3);
}

/* ==================== About Section ==================== */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.card-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    gap: 1rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 15px;
    transition: all var(--transition-normal);
}

.info-card:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.3);
    transform: translateX(5px);
}

.info-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== Experience & Education Section ==================== */
.experience,
.education {
    background: rgba(0, 0, 0, 0.2);
}

.timeline-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

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

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
}

.timeline-item.left {
    left: 0;
    padding-right: 3rem;
}

.timeline-item.right {
    left: 50%;
    padding-left: 3rem;
}

.timeline-content {
    position: relative;
}

.timeline-badge {
    position: absolute;
    top: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-glow);
    z-index: 10;
}

.timeline-item.left .timeline-badge {
    right: -30px;
}

.timeline-item.right .timeline-badge {
    left: -30px;
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-company {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(112, 0, 255, 0.2);
    border: 1px solid rgba(112, 0, 255, 0.4);
    border-radius: 15px;
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 500;
}

.timeline-content.education {
    background: rgba(255, 0, 229, 0.05);
    border-color: rgba(255, 0, 229, 0.2);
}

/* ==================== Skills Section ==================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-card {
    position: relative;
}

.skill-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1s ease;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    filter: blur(10px);
    animation: shimmer 2s infinite;
}

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

/* ==================== Projects Section ==================== */
.projects {
    background: rgba(0, 0, 0, 0.1);
}

.project-category-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin: 3rem 0 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-btn {
    padding: 0.8rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.project-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--primary-color);
}

.project-tech-stack {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
}

.tech-badge {
    padding: 0.4rem 0.8rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary-color);
    border-radius: 15px;
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
}

.project-content {
    padding: 0 0.5rem;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ==================== Certificates Section ==================== */
.certificates {
    background: rgba(0, 0, 0, 0.2);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.certificate-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.certificate-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.certificate-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.certificate-org {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.certificate-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.certificate-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Contact Section ==================== */
.contact {
    background: rgba(0, 0, 0, 0.2);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.contact-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.contact-card p {
    color: var(--text-secondary);
}

.available {
    color: #00ff88 !important;
    font-weight: 600;
}

/* ==================== Footer ==================== */
.footer {
    padding: 3rem 2rem 2rem;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(0, 240, 255, 0.1);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== Floating Action Button ==================== */
.fab-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.fab-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: var(--bg-dark);
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab-button:hover {
    transform: rotate(45deg) scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 240, 255, 0.6);
}

.fab-icon {
    transition: transform var(--transition-normal);
}

.fab-container.active .fab-button {
    transform: rotate(45deg);
}

.fab-menu {
    position: absolute;
    bottom: 80px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.fab-container.active .fab-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-item {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(0, 240, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    animation: fabItemSlide 0.3s ease forwards;
    opacity: 0;
}

.fab-container.active .fab-item:nth-child(1) {
    animation-delay: 0.05s;
}

.fab-container.active .fab-item:nth-child(2) {
    animation-delay: 0.1s;
}

.fab-container.active .fab-item:nth-child(3) {
    animation-delay: 0.15s;
}

.fab-container.active .fab-item:nth-child(4) {
    animation-delay: 0.2s;
}

@keyframes fabItemSlide {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fab-item:hover {
    background: var(--gradient-primary);
    transform: translateX(-10px) scale(1.1);
    box-shadow: 0 0 20px var(--primary-color);
}

.fab-item-icon {
    font-size: 1.5rem;
}

.fab-item::before {
    content: attr(data-tooltip);
    position: absolute;
    right: 65px;
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.fab-item:hover::before {
    opacity: 1;
    visibility: visible;
    right: 70px;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .avatar-container {
        width: 300px;
        height: 300px;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 5rem !important;
        padding-right: 0 !important;
    }

    .timeline-item .timeline-badge {
        left: 0 !important;
        right: auto !important;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        width: 100%;
        padding: 2rem;
        gap: 1rem;
        transition: left var(--transition-normal);
        backdrop-filter: blur(var(--blur-md));
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

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

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

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

    .avatar-container {
        width: 250px;
        height: 250px;
    }

    .avatar-inner {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}