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

:root {
    --primary-color: #00f0ff;
    --secondary-color: #7b2ff7;
    --accent-color: #ff006e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0033 50%, #000a1a 100%);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(123, 47, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 0, 110, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Floating Info (Location & Time) */
.floating-info {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
    animation: fadeInLeft 1s ease;
}

.info-item {
    padding: 12px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    backdrop-filter: blur(10px);
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

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

.info-item i {
    color: var(--primary-color);
    font-size: 1rem;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Floating CV Download */
.floating-cv {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    animation: fadeInRight 1s ease;
}

.cv-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: 1px solid var(--primary-color);
    border-radius: 25px;
    color: var(--text-primary);
    text-decoration: none;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.3);
    transition: all 0.3s ease;
}

.cv-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 240, 255, 0.5);
    color: var(--text-primary);
}

.cv-btn i {
    font-size: 1.1rem;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Main Container */
.main-container {
    position: relative;
    z-index: 1;
    padding-top: 20px;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
}

/* AI Particles */
.ai-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

/* Profile Container */
.profile-container {
    position: relative;
    margin-bottom: 30px;
}

.profile-circle-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.profile-circle-wrapper:hover {
    transform: scale(1.05);
}

.ai-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    opacity: 0.3;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-color: var(--primary-color);
    animation: rotate 10s linear infinite;
}

.ring-2 {
    width: 110%;
    height: 110%;
    top: -5%;
    left: -5%;
    border-color: var(--secondary-color);
    animation: rotate 15s linear infinite reverse;
}

.ring-3 {
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
    border-color: var(--accent-color);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.profile-circle {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
}

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

.ai-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Outer glow effect - appears outside all rings */
.profile-circle-wrapper.glowing::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 140%;
    height: 140%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(
        circle,
        transparent 60%,
        rgba(0, 240, 255, 0.3) 70%,
        rgba(123, 47, 247, 0.2) 85%,
        transparent 100%
    );
    animation: glow-pulse 1.5s ease-in-out infinite;
    pointer-events: none;
    z-index: 10;
}

/* Additional outer ring glow */
.profile-circle-wrapper.glowing::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 145%;
    height: 145%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid transparent;
    box-shadow:
        0 0 60px rgba(0, 240, 255, 0.8),
        0 0 120px rgba(0, 240, 255, 0.6),
        0 0 180px rgba(123, 47, 247, 0.5),
        inset 0 0 60px rgba(0, 240, 255, 0.3);
    animation: glow-pulse-outer 1.5s ease-in-out infinite;
    pointer-events: none;
    z-index: 9;
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.6;
        filter: blur(20px);
    }
    50% {
        opacity: 1;
        filter: blur(30px);
    }
}

@keyframes glow-pulse-outer {
    0%, 100% {
        box-shadow:
            0 0 60px rgba(0, 240, 255, 0.8),
            0 0 120px rgba(0, 240, 255, 0.6),
            0 0 180px rgba(123, 47, 247, 0.5);
        opacity: 0.7;
    }
    50% {
        box-shadow:
            0 0 80px rgba(0, 240, 255, 1),
            0 0 160px rgba(0, 240, 255, 0.8),
            0 0 240px rgba(123, 47, 247, 0.7);
        opacity: 1;
    }
}

/* Voice Indicator */
.voice-indicator {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.voice-indicator.active {
    display: block;
}

#voiceCanvas {
    display: block;
}

/* Profile Info */
.profile-info {
    text-align: center;
    margin-bottom: 10px;
}

.profile-name {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    animation: fadeInUp 1s ease;
}

.profile-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navigation Tabs */
.nav-tabs-container {
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
    width: 100%;
    max-width: 800px;
}

.glass-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    justify-content: center;
    padding: 15px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.tab-btn {
    padding: 10px 18px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.tab-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.3);
}

/* Chatbox */
.chatbox-container {
    width: 100%;
    max-width: 800px;
    animation: fadeInUp 1s ease 0.6s both;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.chatbox-messages {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding-right: 10px;
}

.chatbox-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbox-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.chatbox-messages::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.ai-message, .user-message {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.ai-message i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.ai-message p, .user-message p,
.ai-response-content {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 15px;
    border-radius: 15px;
    margin: 0;
    flex: 1;
}

/* Smart Chat - Filtered Project Items */
.chat-projects-list {
    margin-top: 8px;
}

.chat-project-item {
    padding: 8px 12px;
    margin: 5px 0;
    background: rgba(0, 240, 255, 0.08);
    border-radius: 10px;
    cursor: pointer;
    border-left: 3px solid rgba(0, 240, 255, 0.5);
    transition: all 0.3s ease;
}

.chat-project-item:hover {
    background: rgba(0, 240, 255, 0.18);
    border-left-color: var(--primary-color);
    transform: translateX(4px);
}

.chat-project-item i {
    color: var(--primary-color);
    margin-right: 5px;
    font-size: 0.9rem;
}

.chat-project-item small {
    opacity: 0.7;
    font-size: 0.8em;
}

/* Smart Chat - Skill Check Results */
.chat-skill-found {
    color: #00e676;
    font-weight: 600;
}

.chat-skill-found i {
    color: #00e676 !important;
    font-size: 0.9rem !important;
    margin-right: 3px;
}

.chat-skill-not-found {
    color: #ff5252;
    font-weight: 600;
}

.chat-skill-not-found i {
    color: #ff5252 !important;
    font-size: 0.9rem !important;
    margin-right: 3px;
}

/* Smart Chat - Achievement Results */
.chat-achievement-highlight {
    color: #ffd700;
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
}

.chat-achievement-highlight i {
    color: #ffd700 !important;
    font-size: 1.1rem !important;
    margin-right: 6px;
}

.chat-certs {
    margin-bottom: 15px;
    padding: 10px;
    border-left: 3px solid var(--primary-color);
    background: rgba(0, 240, 255, 0.05);
    border-radius: 4px;
}

.chat-awards {
    margin-bottom: 10px;
    padding: 10px;
    border-left: 3px solid #ffd700;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 4px;
}

.chat-achievements-list {
    list-style-position: inside;
    margin: 10px 0;
    padding-left: 20px;
}

.chat-achievements-list li {
    margin: 8px 0;
    font-size: 0.95rem;
    line-height: 1.4;
}

.chat-achievements-list strong {
    color: var(--primary-color);
}

.cert-item strong,
.award-item strong {
    color: var(--primary-color);
}

.cert-item small,
.award-item small {
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message p {
    background: rgba(0, 240, 255, 0.1);
}

.chatbox-input {
    display: flex;
    gap: 10px;
}

.glass-input {
    flex: 1;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

.glass-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.glass-input::placeholder {
    color: var(--text-secondary);
}

.send-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 25px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.4);
}

/* Content Sections */
.content-sections {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 40px;
    animation: fadeInScale 0.5s ease;
}

.content-section.hidden {
    display: none;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.section-title {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   ABOUT SECTION - PROFESSIONAL LAYOUT
   ============================================ */

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.about-image-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), inset 0 0 30px rgba(123, 47, 247, 0.1);
    transition: transform 0.3s ease;
}

.about-image-wrapper:hover {
    transform: scale(1.02);
    border-color: rgba(0, 240, 255, 0.6);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.3), inset 0 0 30px rgba(123, 47, 247, 0.15);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(123, 47, 247, 0.1));
    pointer-events: none;
}

.about-social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    width: 100%;
}

.social-link-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(0, 240, 255, 0.1);
    border: 1.5px solid rgba(0, 240, 255, 0.3);
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link-btn:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 240, 255, 0.2);
    color: var(--primary-color);
}

.about-content-side {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.about-header {
    border-bottom: 2px solid rgba(0, 240, 255, 0.2);
    padding-bottom: 25px;
}

.about-name {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.about-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.about-contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: rgba(0, 240, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.contact-info-item i {
    font-size: 1.1rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-info-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
    word-break: break-word;
}

.about-summary {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.about-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.about-section-title i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.about-summary p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
    margin: 0;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.highlight-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 240, 255, 0.15);
}

.highlight-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
}

.highlight-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 5px;
}

.highlight-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .about-image-wrapper {
        max-width: 250px;
    }

    .about-name {
        font-size: 2rem;
    }

    .about-title {
        font-size: 1.2rem;
    }

    .about-section-title {
        font-size: 1.2rem;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .about-container {
        gap: 30px;
    }

    .about-image-wrapper {
        max-width: 220px;
    }

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

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

    .about-name {
        font-size: 1.7rem;
    }

    .about-title {
        font-size: 1.1rem;
    }

    .about-section-title {
        font-size: 1.1rem;
    }

    .highlight-item {
        padding: 15px;
        gap: 12px;
    }

    .highlight-item i {
        font-size: 1.5rem;
    }
}

/* Skills Section - New Tabbed Design */

/* Role Tabs (Software Engineer / Researcher) */
.skills-role-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.role-tab-btn {
    padding: 15px 35px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.role-tab-btn i {
    font-size: 1.3rem;
}

.role-tab-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.3);
}

.role-tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 5px 25px rgba(0, 240, 255, 0.4);
}

/* Role Content */
.role-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

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

/* Sub-tabs (Fullstack / ML Engineer) */
.skills-sub-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.sub-tab-btn {
    padding: 12px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sub-tab-btn:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.sub-tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(123, 47, 247, 0.15));
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

/* Sub Content */
.sub-content {
    display: none;
    animation: fadeInUp 0.4s ease;
}

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

/* Skills Category */
.skills-category {
    margin-bottom: 35px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.skills-category:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 240, 255, 0.2);
    transform: translateY(-2px);
}

.category-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

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

/* Skills Tags */
.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    padding: 10px 18px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(123, 47, 247, 0.1));
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
    white-space: nowrap;
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    border-color: var(--primary-color);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
}

/* Timeline - Enhanced Interactive Design */
.timeline {
    position: relative;
    padding-left: 50px;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg,
        rgba(0, 255, 127, 0.8) 0%,
        var(--primary-color) 30%,
        var(--secondary-color) 100%
    );
    border-radius: 10px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    transition: all 0.3s ease;
}

.timeline-item.clickable {
    cursor: pointer;
}

.timeline-item.clickable:hover {
    transform: translateX(10px);
}

.timeline-item.clickable:hover .timeline-content {
    background: rgba(0, 240, 255, 0.08);
    border-color: var(--primary-color);
}

.timeline-dot {
    position: absolute;
    left: -52px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 20px var(--primary-color);
    transition: all 0.3s ease;
    z-index: 2;
}

/* Current Position - Green Blinking Dot */
.timeline-dot.current-position {
    width: 20px;
    height: 20px;
    left: -54px;
    background: #00ff7f;
    box-shadow:
        0 0 20px #00ff7f,
        0 0 40px #00ff7f,
        0 0 60px rgba(0, 255, 127, 0.5);
    animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 0 20px #00ff7f,
            0 0 40px #00ff7f,
            0 0 60px rgba(0, 255, 127, 0.5);
    }
    50% {
        transform: scale(1.2);
        box-shadow:
            0 0 30px #00ff7f,
            0 0 60px #00ff7f,
            0 0 90px rgba(0, 255, 127, 0.7);
    }
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.timeline-content h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.4rem;
    font-weight: 600;
}

.timeline-content .company {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-content .duration {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-content .short-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.view-details {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s ease;
}

.timeline-item.clickable:hover .view-details {
    opacity: 1;
}

.view-details i {
    transition: transform 0.3s ease;
}

.timeline-item.clickable:hover .view-details i {
    transform: translateX(5px);
}

/* Project Tabs */
.project-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 35px;
    justify-content: center;
    flex-wrap: wrap;
}

.project-tab-btn {
    padding: 14px 30px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.project-tab-btn i {
    font-size: 1.2rem;
}

.project-tab-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.3);
}

.project-tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 5px 25px rgba(0, 240, 255, 0.4);
}

/* Project Category Content */
.project-category-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.project-category-content.active {
    display: block;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card.clickable {
    cursor: pointer;
}

.project-card.clickable:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 240, 255, 0.3);
    border-color: var(--primary-color);
}

.project-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--secondary-color);
}

.project-card h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
    margin-bottom: 15px;
}

.tag {
    padding: 6px 14px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.project-card:hover .tag {
    background: rgba(0, 240, 255, 0.2);
    transform: translateY(-2px);
}

.view-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s ease;
}

.project-card.clickable:hover .view-project {
    opacity: 1;
}

.view-project i {
    transition: transform 0.3s ease;
}

.project-card.clickable:hover .view-project i {
    transform: translateX(5px);
}

/* Achievements Section */
.achievements-category {
    margin-bottom: 50px;
}

.category-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 240, 255, 0.3);
}

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

.achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    align-items: stretch;
}

.achievement-item {
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.achievement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 240, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 12px 40px rgba(123, 47, 247, 0.15), 0 0 20px rgba(0, 240, 255, 0.1);
}

.achievement-item:hover::before {
    transform: scaleX(1);
}

.achievement-header {
    display: flex;
    gap: 18px;
    margin-bottom: 18px;
    align-items: flex-start;
}

.achievement-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(0, 240, 255, 0.1);
}

.achievement-icon.medal-icon {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.15);
    font-size: 2.5rem;
    box-shadow: inset 0 0 10px rgba(255, 215, 0, 0.2);
}

.achievement-info {
    flex: 1;
}

.achievement-item h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    line-height: 1.4;
    letter-spacing: 0.3px;
}

.achievement-org {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.5;
}

.achievement-org i {
    font-size: 0.85rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.achievement-subitems {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 8px;
    font-weight: 500;
    font-style: italic;
}

.achievement-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #000;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    width: fit-content;
}

.award-highlight {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(255, 215, 0, 0.03)) !important;
    border: 1.5px solid rgba(255, 215, 0, 0.3) !important;
}

.award-highlight::before {
    background: linear-gradient(90deg, #ffd700, #ffed4e) !important;
}

.award-highlight:hover {
    border-color: rgba(255, 215, 0, 0.5) !important;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.12), rgba(255, 215, 0, 0.06)) !important;
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.2), 0 0 20px rgba(255, 215, 0, 0.1) !important;
}

@media (max-width: 768px) {
    .achievements-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }

    .achievement-item {
        padding: 25px;
    }

    .achievement-icon {
        width: 45px;
        height: 45px;
        font-size: 2.2rem;
    }

    .achievement-item h4 {
        font-size: 1rem;
    }

    .category-subtitle {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .achievements-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .achievement-item {
        padding: 20px;
    }

    .achievement-header {
        gap: 12px;
    }

    .achievement-icon {
        width: 40px;
        height: 40px;
        font-size: 1.8rem;
    }

    .achievement-item h4 {
        font-size: 0.95rem;
    }

    .achievement-org {
        font-size: 0.85rem;
    }
}

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

.contact-item {
    text-align: center;
    padding: 30px 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: block;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 0, 110, 0.2);
    color: var(--text-primary);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.contact-item h4 {
    margin-bottom: 5px;
}

/* Responsive Design */
@media (min-width: 769px) and (max-width: 1024px) {
    .tab-btn {
        padding: 10px 15px;
        font-size: 0.85rem;
        gap: 5px;
    }

    .glass-tabs {
        gap: 8px;
    }
}

@media (max-width: 768px) {
    .profile-name {
        font-size: 2rem;
    }

    .profile-subtitle {
        font-size: 1rem;
    }

    .profile-circle-wrapper,
    .profile-circle {
        width: 200px;
        height: 200px;
    }

    .glass-tabs {
        flex-wrap: wrap;
        border-radius: 20px;
        gap: 8px;
        padding: 12px 15px;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
        gap: 5px;
    }

    .floating-info {
        top: 10px;
        left: 10px;
    }

    .floating-cv {
        top: 10px;
        right: 10px;
    }

    .info-item,
    .cv-btn {
        padding: 8px 15px;
        font-size: 0.8rem;
    }

    .cv-btn span {
        display: none;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .profile-name {
        font-size: 1.5rem;
    }

    .skills-grid,
    .projects-grid,
    .achievements-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .role-tab-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .sub-tab-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .category-title {
        font-size: 1.1rem;
    }

    .skill-tag {
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .skills-category {
        padding: 18px;
    }

    .project-tab-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .timeline {
        padding-left: 35px;
    }

    .timeline-dot {
        left: -42px;
    }

    .timeline-dot.current-position {
        left: -44px;
    }
}

/* ============================================
   MODAL STYLES
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    max-width: 800px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
    z-index: 10001;
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: #ff0000;
    color: #ff0000;
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(0, 240, 255, 0.2);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 10px;
}

.modal-body h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-top: 25px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-body h4 i {
    color: var(--secondary-color);
}

/* Experience Modal Specific */
.experience-modal .modal-header {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.company-logo {
    width: 100px;
    height: 100px;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--primary-color);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-title-section {
    flex: 1;
}

.modal-company-name {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.modal-duration {
    color: var(--text-secondary);
    font-size: 1rem;
}

.responsibilities-list,
.achievements-list,
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.responsibilities-list li,
.achievements-list li,
.features-list li {
    color: var(--text-secondary);
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.responsibilities-list li:last-child,
.achievements-list li:last-child,
.features-list li:last-child {
    border-bottom: none;
}

.responsibilities-list li::before,
.achievements-list li::before,
.features-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
    line-height: 1;
}

.modal-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.modal-tech-tags .tag {
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(123, 47, 247, 0.15));
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.modal-tech-tags .tag:hover {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.25), rgba(123, 47, 247, 0.25));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
}

/* Project Modal Specific */
.project-modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
}

.project-modal-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.project-link-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid rgba(0, 240, 255, 0.2);
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.project-link-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-link-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.project-link-btn.github-btn {
    background: linear-gradient(135deg, #333, #555);
}

.project-link-btn.github-btn:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Modal Scrollbar */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}