:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121f;
    --bg-tertiary: #1a1a2f;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --accent: #6c63ff;
    --accent-light: #8a84ff;
    --accent-dark: #524bc9;
    --gradient-1: linear-gradient(135deg, #6c63ff 0%, #ff6b9d 100%);
    --gradient-2: linear-gradient(135deg, #00d4ff 0%, #6c63ff 100%);
    --gradient-3: linear-gradient(135deg, #ff6b9d 0%, #ffd166 100%);
    --border-color: rgba(108, 99, 255, 0.2);
    --success: #00ff9d;
    --warning: #ffd166;
    --error: #ff6b9d;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-light: 0 10px 20px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.5);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
    width: 100%;
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    animation: float 6s infinite ease-in-out;
}

.particle:nth-child(2) {
    background: #ff6b9d;
    box-shadow: 0 0 10px #ff6b9d;
    animation-delay: 1s;
    animation-duration: 8s;
}

.particle:nth-child(3) {
    background: #00d4ff;
    box-shadow: 0 0 10px #00d4ff;
    animation-delay: 2s;
    animation-duration: 7s;
}

.particle:nth-child(4) {
    background: #ffd166;
    box-shadow: 0 0 10px #ffd166;
    animation-delay: 3s;
    animation-duration: 9s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(10px) translateX(5px); }
}

.orbital-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vmax;
    height: 100vmax;
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    animation: orbit 60s linear infinite;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 2px solid rgba(108, 99, 255, 0.3);
    border-radius: 50%;
    animation: pulseRing 4s ease-out infinite;
}

@keyframes pulseRing {
    0% {
        width: 100px;
        height: 100px;
        opacity: 1;
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

.energy-beam {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: linear-gradient(to top, transparent, var(--accent));
    transform: translateX(-50%);
    animation: energyBeam 3s ease-in-out infinite;
    filter: blur(2px);
}

@keyframes energyBeam {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.8; }
}

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

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.1;
    animation: floatShape 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: #ff6b9d;
    top: 60%;
    left: 70%;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #00d4ff;
    top: 80%;
    left: 20%;
    animation-delay: 10s;
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

/* Audio Control Panel */
.audio-control-panel {
    position: fixed;
    top: 100px;
    right: 30px;
    width: 300px;
    background: rgba(26, 26, 47, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
}

.audio-control-panel.active {
    transform: translateX(0);
    opacity: 1;
}

.audio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

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

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

.audio-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.audio-close:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.audio-controls {
    margin-bottom: 25px;
}

.audio-control-group {
    margin-bottom: 20px;
}

.audio-control-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 500;
}

.audio-control-group i {
    color: var(--accent);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 15px;
}

.volume-slider {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--gradient-1);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-primary);
}

.volume-value {
    min-width: 40px;
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.audio-presets h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.preset-btn {
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
}

.preset-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.preset-btn.active {
    background: var(--gradient-1);
    border-color: var(--accent);
}

/* Enhanced Sound Toggle */
.sound-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    overflow: hidden;
}

.sound-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-glow);
}

.sound-toggle.active {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.7);
    }
    50% { 
        box-shadow: 0 0 0 20px rgba(108, 99, 255, 0);
    }
}

.sound-icon {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-icon i {
    font-size: 1.8rem;
    color: white;
    z-index: 2;
}

.sound-waves {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: waveExpand 2s ease-out infinite;
}

.wave:nth-child(1) { animation-delay: 0s; }
.wave:nth-child(2) { animation-delay: 0.5s; }
.wave:nth-child(3) { animation-delay: 1s; }

@keyframes waveExpand {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 100%;
        height: 100%;
        opacity: 0;
    }
}

/* Floating Profile - FIXED */
.floating-profile {
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 1000;
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    width: 60px;
    height: 60px;
}

.floating-profile.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.floating-profile-container {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(26, 26, 47, 0.9);
    backdrop-filter: blur(20px);
    border: 2px solid var(--accent);
    border-radius: 50%;
    padding: 3px;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
    width: 60px;
    height: 60px;
    overflow: hidden;
    cursor: pointer;
}

.floating-profile-container:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(108, 99, 255, 0.7);
}

.floating-profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.floating-profile-text {
    display: none;
}

/* Section - FIXED OVERLAPPING */
.section {
    min-height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 120px 20px 80px;
    overflow: hidden;
    scroll-snap-align: none !important;
}

/* Fix for overlapping content - ADDED TOP PADDING */
.hero-section {
    padding-top: 120px;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Fix for all other sections */
.about-section,
.skills-section,
.education-section,
.projects-section,
.questionnaire-section,
.contact-section {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: auto;
    height: auto;
}

.container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Fix for profile image hiding under tab */
.profile-image-container {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 40px;
    border: 4px solid transparent;
    background: var(--gradient-1);
    position: relative;
    animation: pulse 4s infinite;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
    z-index: 1001;
    position: relative;
    cursor: pointer;
}

/* Profile info tooltip */
.profile-info-tooltip {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(26, 26, 47, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    padding: 20px;
    width: 280px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1002;
    text-align: left;
}

.profile-info-tooltip::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(26, 26, 47, 0.95);
}

.profile-info-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.profile-info-tooltip h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.profile-info-tooltip p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-info-tooltip i {
    color: var(--accent);
    width: 16px;
}

/* Hero CTA Buttons - UPDATED */
.hero-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
    margin-bottom: 40px;
}

.cta-btn {
    padding: 18px 35px;
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    text-decoration: none;
    min-width: 220px;
    justify-content: center;
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.video-btn {
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
}

.cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.btn-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: inherit;
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
}

/* Video Modal */
.video-modal-content {
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
}

.video-modal-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.video-modal-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
}

.video-modal-body {
    padding: 30px;
    background: var(--bg-tertiary);
}

.video-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.video-info {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.video-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.video-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Section 1: Hero - FIXED */
.dynamic-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0.1;
    z-index: -1;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { 
        background: var(--gradient-1);
        opacity: 0.1;
        filter: hue-rotate(0deg);
    }
    33% { 
        background: var(--gradient-2);
        opacity: 0.15;
        filter: hue-rotate(120deg);
    }
    66% { 
        background: var(--gradient-3);
        opacity: 0.1;
        filter: hue-rotate(240deg);
    }
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

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

.hero-orbits {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: 50%;
}

.orbit-1 {
    width: 300px;
    height: 300px;
    animation: orbitSpin 40s linear infinite;
}

.orbit-2 {
    width: 500px;
    height: 500px;
    animation: orbitSpin 60s linear infinite reverse;
}

.orbit-3 {
    width: 700px;
    height: 700px;
    animation: orbitSpin 80s linear infinite;
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

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

.profile-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-1);
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.hero-name {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(to right, #ffffff, var(--accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.accent-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-title {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.typewriter-text {
    margin-bottom: 40px;
    height: 40px;
    overflow: hidden;
}

.typewriter {
    font-size: 1.5rem;
    color: var(--accent-light);
    font-weight: 500;
    border-right: 3px solid var(--accent);
    white-space: nowrap;
    overflow: hidden;
    animation: typing 3.5s steps(30, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--accent) }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

.scroll-dot {
    width: 12px;
    height: 12px;
    background: var(--gradient-1);
    border-radius: 50%;
}

/* Section Titles */
.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
}

.title-highlight {
    position: relative;
    display: inline-block;
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--gradient-1);
    border-radius: 3px;
    z-index: -1;
}

/* Section 2: About */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

.about-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    cursor: pointer;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon i {
    font-size: 1.8rem;
    color: white;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.highlight-line {
    grid-column: 1 / -1;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 40px;
    padding: 40px;
    border-radius: var(--radius-lg);
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

.highlight-line:hover {
    transform: scale(1.02);
}

.highlight-icon i {
    font-size: 2.5rem;
    color: white;
    opacity: 0.8;
}

/* Section 3: Skills - FIXED CIRCULAR PROGRESS */
.skills-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

@media (min-width: 992px) {
    .skills-container {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

.skills-subtitle {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.skills-subtitle::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Updated Skills Grid with Icons */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.skill-item {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.circular-progress {
    position: relative;
    width: 140px;
    height: 140px;
    margin-bottom: 20px;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s ease-in-out;
}

.progress-value {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.progress-value i {
    font-size: 2.5rem;
    color: var(--accent);
}

.progress-value span {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-info {
    text-align: center;
}

.skill-info h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.skill-info p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.tech-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    cursor: pointer;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.tech-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.tech-card-header i {
    font-size: 2rem;
    color: var(--accent);
}

.tech-card-header h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

.tech-categories {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tech-category h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--accent-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-item {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.tech-item.glow {
    background: rgba(108, 99, 255, 0.1);
    border-color: rgba(108, 99, 255, 0.3);
}

.tech-item:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.2);
}

.fun-tip {
    margin-top: 40px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 25px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.fun-tip:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.tip-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tip-icon i {
    font-size: 1.5rem;
    color: white;
}

.tip-content span {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Section 4: Education */
.education-section {
    background-color: var(--bg-secondary);
}

.section-intro {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
    max-width: 800px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

@media (min-width: 768px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.certificate-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    cursor: pointer;
}

.certificate-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.certificate-thumbnail {
    height: 250px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.certificate-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.certificate-thumbnail:hover .certificate-image {
    transform: scale(1.05);
}

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: var(--transition);
}

.certificate-thumbnail:hover .certificate-overlay {
    opacity: 1;
}

.certificate-overlay i {
    font-size: 2.5rem;
    color: white;
}

.certificate-overlay span {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
}

.certificate-info {
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.certificate-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.certificate-icon i {
    font-size: 1.5rem;
    color: white;
}

.certificate-info h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.certificate-info p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.highlight-badge {
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

.highlight-badge:hover {
    transform: scale(1.02);
}

.badge-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.badge-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.badge-icon i {
    font-size: 2.5rem;
    color: white;
}

.badge-text {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.badge-text span {
    font-weight: 700;
    font-size: 1.8rem;
    color: white;
}

.badge-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Section 5: Projects */
.projects-section {
    background-color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.project-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

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

.project-thumbnail {
    height: 200px;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0.3;
    filter: blur(20px);
    z-index: 1;
}

.website-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: var(--transition-slow);
}

.project-card:hover .website-thumbnail {
    transform: scale(1.05);
}

.thumbnail-overlay {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.thumbnail-overlay i {
    font-size: 2rem;
    color: white;
}

.project-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

.project-link {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.3);
    color: var(--accent);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    border: none;
}

.project-link:hover {
    background: rgba(108, 99, 255, 0.2);
    transform: translateX(5px);
}

.project-link i {
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* Section 6: Questionnaire */
.questionnaire-section {
    background-color: var(--bg-secondary);
}

.questionnaire-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

@media (min-width: 992px) {
    .questionnaire-content {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

.text-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    height: 100%;
    transition: var(--transition);
    cursor: pointer;
}

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

.text-card i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.text-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.text-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.document-card {
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow);
    height: 100%;
    cursor: pointer;
    transition: var(--transition);
}

.document-card:hover {
    transform: translateY(-5px);
}

.document-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.document-icon i {
    font-size: 3rem;
    color: white;
}

.document-info {
    margin-bottom: 40px;
}

.document-info h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 10px;
}

.document-format {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    display: block;
}

.document-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    line-height: 1.6;
}

.document-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}

.btn {
    padding: 18px 25px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    text-decoration: none;
}

.btn-primary {
    background: white;
    color: var(--accent-dark);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.btn-copy {
    padding: 12px 20px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-copy:hover {
    background: rgba(108, 99, 255, 0.2);
    border-color: var(--accent);
}

/* Section 7: Contact - FIXED MOBILE RESPONSIVENESS */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 80px;
}

@media (min-width: 576px) {
    .contact-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .contact-details {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

.contact-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    min-height: 250px;
    justify-content: space-between;
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.contact-icon i {
    font-size: 1.8rem;
    color: white;
}

.contact-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 15px;
    word-break: break-word;
}

.website-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    margin-top: 10px;
}

.website-link:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

.closing-line {
    text-align: center;
    font-size: 1.8rem;
    color: var(--text-primary);
    font-weight: 700;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    background: var(--gradient-1);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

.closing-line:hover {
    transform: scale(1.02);
}

.closing-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.closing-icon i {
    font-size: 2rem;
    color: white;
}

/* Modal - UPDATED */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.modal-close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: rotate(90deg);
}

.modal-body {
    padding: 50px;
}

/* Tooltip */
.tooltip {
    position: fixed;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 15px 20px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    max-width: 300px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    z-index: 1001;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    line-height: 1.5;
    backdrop-filter: blur(10px);
}

.tooltip.visible {
    opacity: 1;
}

/* Responsive Adjustments - IMPROVED */
@media (max-width: 1024px) {
    .hero-name {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .profile-image-container {
        width: 180px;
        height: 180px;
    }
    
    .hero-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .highlight-line {
        font-size: 1.4rem;
        padding: 25px 20px;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .skill-item {
        padding: 25px;
    }
    
    .circular-progress {
        width: 120px;
        height: 120px;
    }
    
    .tech-card {
        padding: 30px 20px;
    }
    
    .project-info h3 {
        font-size: 1.3rem;
    }
    
    .closing-line {
        font-size: 1.4rem;
        padding: 30px 20px;
    }
    
    .audio-control-panel {
        width: calc(100% - 40px);
        right: 20px;
        top: 80px;
    }
    
    .sound-toggle {
        width: 60px;
        height: 60px;
        bottom: 20px;
        right: 20px;
    }
    
    .floating-profile {
        top: 20px;
        left: 20px;
    }
    
    .section {
        padding: 100px 15px 60px;
    }
    
    .hero-section {
        padding-top: 100px;
    }
    
    .about-section,
    .skills-section,
    .education-section,
    .projects-section,
    .questionnaire-section,
    .contact-section {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    
    .contact-card {
        min-height: 220px;
        padding: 25px 20px;
    }
    
    .contact-info h3 {
        font-size: 1.3rem;
    }
    
    .contact-info p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .typewriter {
        font-size: 1.2rem;
    }
    
    .cta-btn {
        padding: 15px 25px;
        font-size: 1rem;
        min-width: auto;
    }
    
    .hero-cta-buttons {
        gap: 15px;
    }
    
    .about-card, .text-card, .document-card, .contact-card {
        padding: 25px 20px;
    }
    
    .skill-item {
        padding: 20px;
    }
    
    .circular-progress {
        width: 100px;
        height: 100px;
    }
    
    .progress-value i {
        font-size: 2rem;
    }
    
    .progress-value span {
        font-size: 1.5rem;
    }
    
    .certificate-info {
        padding: 20px;
    }
    
    .certificate-info h3 {
        font-size: 1.3rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .questionnaire-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .modal-body {
        padding: 30px 20px;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
    
    .profile-image-container {
        width: 150px;
        height: 150px;
    }
    
    .profile-info-tooltip {
        width: 250px;
        padding: 15px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .about-card:hover,
    .tech-card:hover,
    .project-card:hover,
    .contact-card:hover,
    .certificate-card:hover {
        transform: none;
    }
    
    .sound-toggle:hover {
        transform: none;
    }
    
    .preset-btn:hover,
    .btn:hover,
    .tech-item:hover,
    .project-link:hover {
        transform: none;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .hero-content,
    .typewriter,
    .profile-image-container,
    .sound-toggle,
    .about-card,
    .tech-card,
    .project-card,
    .contact-card,
    .certificate-card {
        animation: none;
        transition: none;
    }
    
    .background-animation * {
        animation: none !important;
    }
}
/* Additional audio indicator */
.sound-toggle::after {
    content: 'Click for sound';
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sound-toggle:hover::after {
    opacity: 1;
}

/* Make audio control panel more visible when hidden */
.audio-control-panel::before {
    content: 'Double-click audio button for controls';
    position: absolute;
    top: -30px;
    right: 0;
    background: var(--accent);
    color: white;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.audio-control-panel:hover::before {
    opacity: 1;
}