/* Reset & Base Styles */

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

:root {
    /* Cosmic Color Palette */
    --cosmic-dark: #050511;
    --cosmic-darker: #020208;
    --cosmic-light: #0a0a1a;
    --cosmic-lighter: #11112e;
    /* Aurora Colors with Fading Effect */
    --aurora-primary: rgba(99, 102, 241, 0.7);
    --aurora-secondary: rgba(139, 92, 246, 0.6);
    --aurora-accent: rgba(6, 182, 212, 0.5);
    --aurora-glow: rgba(34, 211, 238, 0.4);
    /* Golden Theme Colors */
    --golden-primary: #FFD700;
    --golden-light: #FFEC8B;
    --golden-dark: #DAA520;
    --golden-glow: rgba(255, 215, 0, 0.3);
    /* UI Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --accent-dark: #0891b2;
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glass-blur: blur(20px);
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--cosmic-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}


/* Dynamic Aurora Layers with Fading Effect */

.aurora-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -4;
    opacity: 0;
    filter: blur(120px);
    animation: auroraFade 15s ease-in-out infinite;
}

.aurora-1 {
    background: radial-gradient(circle at 20% 30%, var(--aurora-primary) 0%, transparent 50%);
    animation-delay: 0s;
}

.aurora-2 {
    background: radial-gradient(circle at 70% 80%, var(--aurora-secondary) 0%, transparent 50%);
    animation-delay: 3s;
}

.aurora-3 {
    background: radial-gradient(circle at 40% 60%, var(--aurora-accent) 0%, transparent 50%);
    animation-delay: 6s;
}

.aurora-4 {
    background: radial-gradient(circle at 80% 20%, var(--aurora-glow) 0%, transparent 50%);
    animation-delay: 9s;
}

@keyframes auroraFade {
    0%,
    100% {
        opacity: 0;
        transform: translate(0, 0) scale(1);
    }
    20% {
        opacity: 0.8;
        transform: translate(30px, -20px) scale(1.2);
    }
    40% {
        opacity: 0.6;
        transform: translate(-20px, 30px) scale(1.1);
    }
    60% {
        opacity: 0.4;
        transform: translate(40px, 10px) scale(0.9);
    }
    80% {
        opacity: 0.2;
        transform: translate(-10px, 40px) scale(1);
    }
}


/* Enhanced Nebula Clouds */

.nebula-cloud {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -3;
    filter: blur(100px);
    opacity: 0.4;
}

.nebula-a {
    top: 10%;
    left: 5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    animation: nebulaFloat 40s ease-in-out infinite;
}

.nebula-b {
    bottom: 15%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: nebulaFloat 35s ease-in-out infinite reverse;
}

.nebula-c {
    top: 60%;
    left: 70%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--golden-primary) 0%, transparent 70%);
    animation: nebulaFloat 45s ease-in-out infinite;
}

@keyframes nebulaFloat {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(100px, -50px) rotate(120deg);
    }
    66% {
        transform: translate(-50px, 100px) rotate(240deg);
    }
}


/* Starfield Background */

.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    background-image: radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.9) 1px, transparent 2px), radial-gradient(1px 1px at 30% 40%, rgba(255, 255, 255, 0.8) 1px, transparent 2px), radial-gradient(1px 1px at 50% 60%, rgba(255, 255, 255, 0.7) 1px, transparent 2px), radial-gradient(1px 1px at 70% 80%, rgba(255, 255, 255, 0.6) 1px, transparent 2px), radial-gradient(1px 1px at 90% 10%, rgba(255, 255, 255, 0.5) 1px, transparent 2px);
    background-size: 400px 400px;
    animation: starDrift 300s linear infinite;
}

@keyframes starDrift {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 2000px 2000px;
    }
}


/* Enhanced Starfall Effect */

.starfall-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.starfall {
    position: absolute;
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, white, transparent);
    border-radius: 1px;
    filter: blur(1px);
    opacity: 0;
}


/* Shooting Stars */

.shooting-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.shooting-star {
    position: absolute;
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, transparent, white, transparent);
    transform-origin: left;
    filter: blur(1px);
    opacity: 0;
}


/* Meteor Shower */

.meteor-shower {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.meteor {
    position: absolute;
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--golden-primary), transparent);
    filter: blur(1px);
    opacity: 0;
}


/* Space Debris */

.space-debris {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.debris {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    filter: blur(1px);
}


/* Fireworks Container */

.fireworks-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    overflow: hidden;
}

.firework-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    pointer-events: none;
}

.firework-tail {
    position: absolute;
    width: 3px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, currentColor);
    pointer-events: none;
}

.firework-sparkle {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(2px);
}


/* Firework Patterns Overlay */

.firework-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 998;
    opacity: 0;
}

.fireworks-active .firework-pattern {
    opacity: 0.1;
}

.pattern-1 {
    background-image: radial-gradient(circle at 20% 30%, rgba(255, 0, 0, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(0, 255, 0, 0.3) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(0, 0, 255, 0.3) 0%, transparent 50%);
    animation: patternMove 20s infinite linear;
}

.pattern-2 {
    background-image: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 215, 0, 0.1) 10px, rgba(255, 215, 0, 0.1) 20px), repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(255, 0, 255, 0.1) 10px, rgba(255, 0, 255, 0.1) 20px);
    animation: patternMove 30s infinite linear reverse;
}

@keyframes patternMove {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 1000px 1000px;
    }
}


/* Fireworks Mode Styles */

.fireworks-active .aurora-layer,
.fireworks-active .nebula-cloud {
    opacity: 0.2 !important;
    filter: blur(20px) !important;
}

.fireworks-active .starfield {
    opacity: 0.3;
}

.fireworks-active .starfall,
.fireworks-active .shooting-star,
.fireworks-active .meteor {
    opacity: 0.2 !important;
}

.fireworks-active .content-container {
    position: relative;
    z-index: 1;
}


/* Celebration Text */

.celebration-text {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, #ff0000, #ff9900, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    text-align: center;
    animation: celebrationPulse 2s ease-in-out;
}

@keyframes celebrationPulse {
    0%,
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}


/* Fireworks Notifications */

.fireworks-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    z-index: 1001;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    max-width: 300px;
}

.fireworks-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    text-align: center;
}

.notification-content i {
    font-size: 2rem;
    color: var(--golden-primary);
    margin-bottom: var(--space-xs);
}

.notification-text {
    font-weight: 600;
    font-size: 0.95rem;
}

.click-counter {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--space-xs);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--space-xs);
}

.progress-fill {
    height: 100%;
    background: var(--golden-primary);
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
}


/* Tutorial Notification */

.fireworks-notification.tutorial {
    background: linear-gradient(135deg, var(--primary-dark), var(--accent-dark));
    max-width: 350px;
}

.tutorial-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tutorial-header i {
    font-size: 1.8rem;
    color: var(--golden-primary);
}

.tutorial-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(45deg, #ff0000, #ff9900, #ffff00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tutorial-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.tutorial-step:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.tutorial-step i {
    color: var(--golden-primary);
    width: 24px;
    text-align: center;
}

.tutorial-step span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tutorial-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tutorial-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    transition: var(--transition-normal);
}

.tutorial-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.4);
}

.tutorial-btn.secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tutorial-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.tutorial-hint {
    text-align: center;
    opacity: 0.8;
}

.tutorial-hint small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.tutorial-hint i {
    color: var(--golden-light);
    margin-right: 4px;
}


/* Counter Notification */

.fireworks-notification.counter {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    max-width: 300px;
}

.counter-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    width: 100%;
}

.counter-header i {
    font-size: 1.8rem;
    color: var(--golden-primary);
    animation: rocketFloat 2s ease-in-out infinite;
}

@keyframes rocketFloat {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.counter-info {
    flex: 1;
}

.close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    width: 30px;
    height: 30px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.counter-hint {
    text-align: center;
    margin-top: var(--space-sm);
    opacity: 0.8;
}

.counter-hint small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}


/* Active Fireworks Notification */

.fireworks-notification.active {
    background: linear-gradient(135deg, #ff0000, #ff9900, var(--primary));
    animation: activePulse 2s ease-in-out infinite;
    max-width: 320px;
}

@keyframes activePulse {
    0%,
    100% {
        box-shadow: 0 10px 40px rgba(255, 0, 0, 0.4);
    }
    50% {
        box-shadow: 0 15px 50px rgba(255, 153, 0, 0.6);
    }
}

.active-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    width: 100%;
}

.active-header i {
    font-size: 2rem;
    color: #fff;
    animation: fireworksActive 1.5s ease-in-out infinite;
}

@keyframes fireworksActive {
    0%,
    100% {
        transform: scale(1) rotate(0deg);
        color: #fff;
    }
    33% {
        transform: scale(1.2) rotate(120deg);
        color: #ff9900;
    }
    66% {
        transform: scale(1.1) rotate(240deg);
        color: #ffff00;
    }
}

.active-info {
    flex: 1;
}

.timer {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.fireworks-controls {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.control-btn {
    flex: 1;
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    transition: var(--transition-normal);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.stop-btn {
    background: rgba(255, 0, 0, 0.8);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    transition: var(--transition-normal);
    width: 100%;
}

.stop-btn:hover {
    background: rgba(255, 0, 0, 1);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 0, 0, 0.4);
}

.restart-hint {
    text-align: center;
    opacity: 0.8;
    margin-top: var(--space-sm);
}

.restart-hint small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}


/* Fireworks Ended Notification */

#endedNotification {
    background: linear-gradient(135deg, var(--accent-dark), var(--primary));
    max-width: 300px;
}

.fa-check-circle {
    color: #22c55e;
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    animation: checkPulse 2s ease-in-out infinite;
}

@keyframes checkPulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.restart-btn {
    width: 100%;
    padding: var(--space-sm);
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    transition: var(--transition-normal);
}

.restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.4);
}


/* Sound Control Button */

.sound-control {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border: none;
    border-radius: var(--radius-full);
    color: #000;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1002;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
}

.sound-control:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.sound-control.muted {
    background: linear-gradient(135deg, #666, #999);
}


/* Professional Cursor System */

.cursor-triangle {
    position: fixed;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 16px solid var(--golden-primary);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%) rotate(0deg);
    transition: transform var(--transition-fast);
    filter: drop-shadow(0 0 8px var(--golden-glow));
}

.cursor-circle {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent);
    border-radius: var(--radius-full);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal), height var(--transition-normal), border-color var(--transition-normal);
    mix-blend-mode: difference;
}

.cursor-trail {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--golden-glow);
    pointer-events: none;
    z-index: 9997;
    opacity: 0.3;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-fast);
}

body:not(.mobile) a:hover~.cursor-triangle,
body:not(.mobile) button:hover~.cursor-triangle,
body:not(.mobile) .cta-button:hover~.cursor-triangle {
    border-bottom-color: var(--primary);
    transform: translate(-50%, -50%) rotate(180deg) scale(1.2);
}

body:not(.mobile) a:hover~.cursor-circle,
body:not(.mobile) button:hover~.cursor-circle,
body:not(.mobile) .cta-button:hover~.cursor-circle {
    width: 60px;
    height: 60px;
    border-color: var(--primary);
}

body:not(.mobile) a:hover~.cursor-trail,
body:not(.mobile) button:hover~.cursor-trail,
body:not(.mobile) .cta-button:hover~.cursor-trail {
    opacity: 0.6;
}


/* Content Container */

.content-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}


/* Cosmic Navigation */

.cosmic-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(5, 5, 17, 0.9);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.nav-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* Logo Container */

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-sphere {
    width: 50px;
    height: 50px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sphere-inner {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--golden-primary), var(--golden-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: #000;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 20px var(--golden-glow);
}

.sphere-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: var(--golden-primary);
    border-radius: var(--radius-full);
    filter: blur(20px);
    opacity: 0.5;
    animation: spherePulse 3s ease-in-out infinite;
}

.sphere-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    background: linear-gradient(45deg, var(--golden-primary), var(--primary), var(--accent)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.7;
    animation: ringRotate 10s linear infinite;
}

@keyframes spherePulse {
    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-primary {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.logo-accent {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--golden-primary);
}


/* Navigation Menu */

.nav-section {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-menu {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-index {
    color: var(--golden-primary);
    font-size: 0.8rem;
    font-weight: 600;
}

.nav-label {
    position: relative;
    z-index: 2;
}

.nav-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.nav-item:hover,
.nav-item.active {
    color: white;
}

.nav-item:hover .nav-glow,
.nav-item.active .nav-glow {
    opacity: 0.3;
}


/* Theme Control */

.theme-control {
    margin-left: var(--space-md);
}

.theme-switch {
    width: 70px;
    height: 34px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-sm);
}

.theme-switch i {
    font-size: 1rem;
    color: var(--text-muted);
    z-index: 2;
    transition: color var(--transition-normal);
}

.switch-toggle {
    position: absolute;
    left: 4px;
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    transition: transform var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.light-theme .theme-switch i.fa-moon {
    color: var(--text-muted);
}

.light-theme .theme-switch i.fa-sun {
    color: var(--golden-primary);
}

.light-theme .switch-toggle {
    transform: translateX(36px);
    background: linear-gradient(135deg, var(--golden-primary), var(--golden-dark));
}


/* Mobile Navigation Toggle */

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}


/* Hero Section */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
}

.tag-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.hero-tag:hover .tag-glow {
    opacity: 0.3;
}

.tag-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--golden-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-headline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.headline-line {
    display: block;
}

.headline-name {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.headline-accent {
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-left: var(--space-sm);
}

.typewriter-text {
    color: var(--accent);
    font-weight: 600;
}

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

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

.golden-text {
    color: var(--golden-primary);
    font-weight: 600;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 550px;
    line-height: 1.8;
}


/* Hero CTA Buttons */

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
}

.secondary-btn:hover {
    border-color: var(--golden-primary);
    transform: translateY(-3px);
    background: rgba(255, 215, 0, 0.1);
}

.button-text {
    position: relative;
    z-index: 2;
}

.button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
    position: relative;
    z-index: 2;
}

.cta-button:hover .button-icon {
    transform: translateX(5px);
}

.button-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.primary-btn:hover .button-glow {
    opacity: 0.2;
}


/* Hero Metrics */

.hero-metrics {
    display: flex;
    gap: var(--space-2xl);
}

.metric-card {
    text-align: center;
}

.metric-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--golden-primary);
    margin-bottom: var(--space-xs);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* Hero Visual - Rotating Cube */

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1500px;
}

.rotating-cube {
    width: 400px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 20s infinite linear;
}

@keyframes cubeRotate {
    0% {
        transform: rotateX(0) rotateY(0) rotateZ(0);
    }
    25% {
        transform: rotateX(90deg) rotateY(90deg) rotateZ(0);
    }
    50% {
        transform: rotateX(180deg) rotateY(180deg) rotateZ(90deg);
    }
    75% {
        transform: rotateX(270deg) rotateY(270deg) rotateZ(180deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
    }
}

.cube-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

.cube-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: visible;
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
}

.cube-front {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    transform: translateZ(200px);
}

.cube-back {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(218, 165, 32, 0.1));
    transform: translateZ(-200px) rotateY(180deg);
}

.cube-right {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(34, 211, 238, 0.1));
    transform: rotateY(90deg) translateZ(200px);
}

.cube-left {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.1), rgba(79, 70, 229, 0.1));
    transform: rotateY(-90deg) translateZ(200px);
}

.profile-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.profile-frame {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    background: #111;
    transition: transform 0.4s ease;
}

.profile-frame:hover .profile-image {
    transform: scale(1.05);
}

.profile-title {
    text-align: center;
}

.nickname {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--golden-primary);
    margin-bottom: var(--space-xs);
}

.role {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tech-display,
.nickname-display,
.skills-display {
    padding: var(--space-xl);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.tech-display h3,
.skills-display h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    width: 100%;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.tech-icon:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
}

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

.tech-icon span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.nickname-display {
    text-align: center;
}

.golden-logo {
    font-size: 4rem;
    color: var(--golden-primary);
    margin-bottom: var(--space-lg);
}

.nickname-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--golden-primary);
    margin-bottom: var(--space-xs);
}

.nickname-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.sparkle-effect {
    display: flex;
    gap: var(--space-sm);
}

.sparkle-effect i {
    color: var(--golden-primary);
    font-size: 1.5rem;
    animation: sparkleTwinkle 2s ease-in-out infinite;
}

.sparkle-effect i:nth-child(2) {
    animation-delay: 0.5s;
}

.sparkle-effect i:nth-child(3) {
    animation-delay: 1s;
}

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

.skills-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

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

.skill-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    transition: width 1s ease;
}

.cube-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, var(--golden-primary) 0%, transparent 70%);
    border-radius: var(--radius-xl);
    opacity: 0.3;
    filter: blur(40px);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%,
    100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

.visual-trail {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    filter: blur(30px);
    animation: trailFloat 6s ease-in-out infinite;
}

@keyframes trailFloat {
    0%,
    100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.3;
    }
    33% {
        transform: rotate(120deg) scale(1.1);
        opacity: 0.5;
    }
    66% {
        transform: rotate(240deg) scale(0.9);
        opacity: 0.2;
    }
}


/* Scroll Indicator */

.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 2;
}

.scroll-path {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--golden-primary), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--golden-primary);
    border-radius: 1px;
    animation: scrollIndicator 2.5s ease-in-out infinite;
}

@keyframes scrollIndicator {
    0% {
        top: 0;
        opacity: 0;
    }
    30% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

.scroll-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
}


/* Section Common Styles */

section {
    position: relative;
    padding: var(--space-2xl) 0;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-marker {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    color: var(--golden-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.marker-number {
    color: var(--golden-primary);
}

.marker-line {
    width: 50px;
    height: 1px;
    background: var(--golden-primary);
}

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

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.25rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary), var(--golden-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}


/* About Section */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-intro h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.about-intro p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.highlight {
    color: var(--golden-primary);
    font-weight: 600;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.feature-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--golden-primary);
    background: rgba(255, 215, 0, 0.1);
}

.feature-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.feature-details h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.feature-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}


/* Stats Container */

.stats-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: var(--glass-blur);
}

.stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.stats-header h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.circular-progress {
    position: relative;
    width: 100px;
    height: 100px;
}

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

.progress-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 8;
}

.progress-fill {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 282.6;
    stroke-dashoffset: calc(282.6 * (1 - 0.88));
    transition: stroke-dashoffset 1.5s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--golden-primary);
}

.stats-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.stat-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label span:first-child {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.stat-label span:last-child {
    font-size: 0.95rem;
    color: var(--golden-primary);
    font-weight: 600;
}

.stat-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.bar-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--golden-primary), var(--primary));
    border-radius: 4px;
    transition: width 1.5s ease;
}


/* Experience Section */

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.timeline-track {
    position: absolute;
    left: 35px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, transparent, var(--golden-primary), var(--primary), var(--golden-primary), transparent);
}

.timeline-item {
    display: flex;
    margin-bottom: var(--space-2xl);
    position: relative;
}

.timeline-marker {
    position: relative;
    margin-right: var(--space-xl);
    flex-shrink: 0;
}

.marker-core {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px var(--golden-glow);
}

.marker-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--golden-primary);
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.4;
    animation: markerPulse 3s ease-in-out infinite;
}

@keyframes markerPulse {
    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.timeline-content {
    flex: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: var(--glass-blur);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(15px);
    border-color: var(--golden-primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.timeline-date {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.timeline-title {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.timeline-company {
    color: var(--golden-primary);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

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

.timeline-details h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.timeline-details ul {
    list-style: none;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.timeline-details li {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    position: relative;
    line-height: 1.7;
}

.timeline-details li::before {
    content: '▶';
    position: absolute;
    left: -1.5rem;
    color: var(--golden-primary);
    font-size: 0.8rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-tag {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 215, 0, 0.1);
    color: var(--golden-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: var(--transition-normal);
}

.tech-tag:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.2);
}


/* Certificates Section */

.certificates-section {
    text-align: center;
}

.certificates-section h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.certificate-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-decoration: none;
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
}

.certificate-card:hover {
    transform: translateY(-8px);
    border-color: var(--golden-primary);
    background: rgba(255, 215, 0, 0.1);
}

.certificate-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.certificate-content {
    flex: 1;
    text-align: left;
}

.certificate-content h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.certificate-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.certificate-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(255, 215, 0, 0.2);
    color: var(--golden-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.certificate-arrow {
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
}

.certificate-card:hover .certificate-arrow {
    transform: translateX(8px);
    color: var(--golden-primary);
}


/* Education Section */

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-lg);
}

.education-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
    position: relative;
    overflow: hidden;
}

.education-card:hover {
    transform: translateY(-10px);
    border-color: var(--golden-primary);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.education-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.5rem;
}

.education-period {
    color: var(--golden-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.education-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.education-institute {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-md);
}

.education-grade {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.grade-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.grade-value {
    color: var(--golden-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.education-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.education-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.edu-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    transition: var(--transition-normal);
}

.edu-tag:hover {
    background: rgba(255, 215, 0, 0.2);
    color: var(--golden-primary);
    transform: translateY(-2px);
}


/* Projects Section */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
}

.project-card:hover {
    transform: translateY(-12px);
    border-color: var(--golden-primary);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.project-visual {
    height: 220px;
    background: linear-gradient(135deg, var(--primary), var(--golden-primary));
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image {
    font-size: 4.5rem;
    color: white;
    z-index: 2;
}

.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-overlay span {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.project-details {
    padding: var(--space-2xl);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.project-title {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.project-badge {
    padding: var(--space-xs) var(--space-sm);
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.tech-pill {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 215, 0, 0.1);
    color: var(--golden-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: var(--transition-normal);
}

.tech-pill:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--golden-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.project-link:hover {
    gap: var(--space-md);
    color: var(--golden-light);
}

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

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-normal);
    backdrop-filter: var(--glass-blur);
}

.view-all-btn:hover {
    border-color: var(--golden-primary);
    background: rgba(255, 215, 0, 0.1);
    transform: translateY(-3px);
}


/* Contact Section */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.info-card,
.form-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: var(--glass-blur);
}

.info-card h3,
.form-card h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.info-intro,
.form-intro {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-content h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

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

.resume-link {
    color: var(--golden-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.resume-link:hover {
    text-decoration: underline;
}

.social-connect h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.social-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.social-item:hover {
    transform: translateX(8px);
    border-color: var(--golden-primary);
    background: rgba(255, 215, 0, 0.1);
}

.social-item i {
    font-size: 1.2rem;
    color: var(--golden-primary);
    width: 24px;
}


/* Contact Form */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.input-container {
    position: relative;
}

.input-container input,
.input-container textarea {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 3.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.input-container textarea {
    min-height: 140px;
    resize: vertical;
    padding-top: var(--space-lg);
}

.input-container input:focus,
.input-container textarea:focus {
    outline: none;
    border-color: var(--golden-primary);
    background: rgba(255, 215, 0, 0.05);
}

.input-icon {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-container textarea+.input-icon {
    top: var(--space-lg);
    transform: none;
}

.submit-button {
    position: relative;
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.4);
}

.submit-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.submit-button.loading .submit-text,
.submit-button.loading .submit-icon {
    opacity: 0;
}

.submit-button.loading .submit-loader {
    opacity: 1;
}

.form-response {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.form-response.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
    opacity: 1;
}

.form-response.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    opacity: 1;
}


/* Footer */

.site-footer {
    background: rgba(5, 5, 17, 0.95);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-2xl) 0 var(--space-xl);
    position: relative;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .logo-container {
    margin-bottom: var(--space-lg);
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 350px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.link-group h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: var(--space-sm);
}

.link-group a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.link-group a:hover {
    color: var(--golden-primary);
    padding-left: var(--space-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

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

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social .social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-social .social-icon:hover {
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    color: #000;
    border-color: transparent;
    transform: translateY(-3px);
}


/* Back to Top */

.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--golden-primary), var(--primary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 1000;
    box-shadow: 0 5px 25px rgba(255, 215, 0, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 35px rgba(255, 215, 0, 0.6);
}


/* Animation Classes */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}


/* Responsive Design */

@media (max-width: 1200px) {
    .hero-headline {
        font-size: 3.25rem;
    }
    .section-title {
        font-size: 2.75rem;
    }
    .hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    .hero-visual {
        order: -1;
    }
    .rotating-cube {
        width: 350px;
        height: 350px;
        margin: 0 auto;
    }
    .cube-front,
    .cube-back,
    .cube-right,
    .cube-left {
        transform: translateZ(175px);
    }
    .cube-right {
        transform: rotateY(90deg) translateZ(175px);
    }
    .cube-left {
        transform: rotateY(-90deg) translateZ(175px);
    }
    .profile-frame {
        width: 220px;
        height: 220px;
    }
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(5, 5, 17, 0.98);
        backdrop-filter: var(--glass-blur);
        padding: var(--space-xl);
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--glass-border);
        z-index: 999;
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-hamburger {
        display: flex;
    }
    .hero-headline {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 2.25rem;
    }
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    .cta-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    .hero-metrics {
        justify-content: center;
    }
    .about-features {
        grid-template-columns: 1fr;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .education-grid {
        grid-template-columns: 1fr;
    }
    .rotating-cube {
        width: 300px;
        height: 300px;
    }
    .cube-front,
    .cube-back,
    .cube-right,
    .cube-left {
        transform: translateZ(150px);
    }
    .cube-right {
        transform: rotateY(90deg) translateZ(150px);
    }
    .cube-left {
        transform: rotateY(-90deg) translateZ(150px);
    }
    .profile-frame {
        width: 200px;
        height: 200px;
    }
    .tech-icons {
        grid-template-columns: 1fr;
    }
    .certificate-grid {
        grid-template-columns: 1fr;
    }
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    .fireworks-notification {
        max-width: calc(100% - 60px);
        right: 30px;
        left: 30px;
    }
}

@media (max-width: 480px) {
    .section-container,
    .hero-wrapper,
    .nav-wrapper {
        padding: 0 var(--space-lg);
    }
    .hero-headline {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .rotating-cube {
        width: 250px;
        height: 250px;
    }
    .cube-front,
    .cube-back,
    .cube-right,
    .cube-left {
        transform: translateZ(125px);
    }
    .cube-right {
        transform: rotateY(90deg) translateZ(125px);
    }
    .cube-left {
        transform: rotateY(-90deg) translateZ(125px);
    }
    .profile-frame {
        width: 180px;
        height: 180px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    .fireworks-notification {
        bottom: 20px;
        right: 20px;
        left: 20px;
    }
    .sound-control {
        bottom: 80px;
        right: 20px;
    }
}


/* SVG Gradient for Progress Circle */

svg defs {
    position: absolute;
    width: 0;
    height: 0;
}