@charset "utf-8";

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

:root {
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --accent-blue: #76a9fa;
    --accent-blue-dark: #4f83f7;
    --accent-glow: rgba(118, 169, 250, 0.3);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

p a {
    color: #FFF;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(15, 25, 35, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav.scrolled {
    background: rgba(15, 25, 35, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

@media (max-width: 1000px) {
    .nav-container {
        justify-content: center;
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem 2rem;
    }

    .logo {
        order: 1;
    }

    .nav-links {
        order: 2;
        flex-wrap: wrap;
        justify-content: center;
    }

    .mobile-menu-btn {
        display: none !important;
    }

    .hero {
        padding-top: 240px;
    }
}

@media (max-width: 880px) {
    .hero {
        padding-top: 160px;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    border: 2px solid transparent;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    background: rgba(118, 169, 250, 0.1);
}

.nav-links a:hover::after {
    width: 60%;
}

.nav-links a.active {
    color: var(--accent-blue);
    background: rgba(118, 169, 250, 0.15);
    border-color: var(--accent-blue);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    pointer-events: none;
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav ul {
    list-style: none;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: 500;
    display: block;
    position: relative;
    border: 2px solid transparent;
}

.mobile-nav a:hover {
    color: var(--accent-blue);
    background: rgba(118, 169, 250, 0.1);
    border-color: var(--accent-blue);
}

.mobile-nav a.active {
    color: var(--accent-blue);
    background: rgba(118, 169, 250, 0.15);
    border-color: var(--accent-blue);
}

section {
    padding: 5rem 0;
    position: relative;
}

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

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 2rem 0;
    position: relative;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 25s infinite ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 169, 250, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 131, 247, 0.3) 0%, transparent 70%);
    top: 50%;
    right: -150px;
    animation-delay: 7s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 169, 250, 0.35) 0%, transparent 70%);
    bottom: -100px;
    left: 20%;
    animation-delay: 14s;
}

/* Geometric shapes */
.geo-shape {
    position: absolute;
    opacity: 0.1;
    animation: rotate-float 30s infinite linear;
}

.geo-1 {
    width: 300px;
    height: 300px;
    top: 20%;
    right: 10%;
    background: linear-gradient(45deg, var(--accent-blue) 0%, transparent 100%);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.geo-2 {
    width: 250px;
    height: 250px;
    bottom: 20%;
    left: 5%;
    background: linear-gradient(135deg, var(--accent-blue-dark) 0%, transparent 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: -10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }

    25% {
        transform: translate(100px, -80px) scale(1.1) rotate(90deg);
    }

    50% {
        transform: translate(-60px, 60px) scale(0.9) rotate(180deg);
    }

    75% {
        transform: translate(80px, 100px) scale(1.05) rotate(270deg);
    }
}

@keyframes rotate-float {
    0% {
        transform: rotate(0deg) translateY(0);
    }

    50% {
        transform: rotate(180deg) translateY(-50px);
    }

    100% {
        transform: rotate(360deg) translateY(0);
    }
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0;
    animation: particle-rise 10s infinite ease-out;
}

@keyframes particle-rise {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1);
    }
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: 1s;
}

.particle:nth-child(3) {
    left: 30%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    left: 40%;
    animation-delay: 3s;
}

.particle:nth-child(5) {
    left: 50%;
    animation-delay: 4s;
}

.particle:nth-child(6) {
    left: 60%;
    animation-delay: 5s;
}

.particle:nth-child(7) {
    left: 70%;
    animation-delay: 6s;
}

.particle:nth-child(8) {
    left: 80%;
    animation-delay: 7s;
}

.particle:nth-child(9) {
    left: 90%;
    animation-delay: 8s;
}

.particle:nth-child(10) {
    left: 95%;
    animation-delay: 9s;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 25% 25%, var(--accent-glow) 0%, transparent 50%);
    animation: hero-glow 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes hero-glow {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.1) rotate(2deg);
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -2px;
    animation: slideInUp 1s ease-out;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 1px;
    animation: slideInUp 1s ease-out 0.3s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
    animation: slideInUp 1s ease-out 0.6s both;
}

.cta-primary,
.cta-secondary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
    box-shadow: 0 8px 25px var(--accent-glow);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--accent-glow);
}

.cta-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: white;
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

/* Stats */
.stats-section {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    min-width: 150px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

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

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.about-intro {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.about-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background-image: url('images/about-profile.jpg');
    background-size: cover;
    background-position: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    border: 4px solid var(--glass-border);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(118, 169, 250, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-image:hover::before {
    opacity: 1;
}

.about-image::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg,
            transparent 0deg,
            rgba(255, 255, 255, 0.1) 90deg,
            transparent 180deg,
            rgba(255, 255, 255, 0.05) 270deg,
            transparent 360deg);
    animation: spin 4s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.08) 50%,
            transparent 100%);
    transition: left 0.6s ease;
}

.about-card:hover::before {
    left: 100%;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.about-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.skills-container {
    position: relative;
    margin-top: 3rem;
}

.skills-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.skills-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skills-circle {
    position: relative;
    width: 400px;
    height: 400px;
    animation: rotate-slow 30s linear infinite;
}

@keyframes rotate-slow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.skill-node {
    position: absolute;
    width: 124px;
    height: 124px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: counter-rotate 30s linear infinite;
}

@keyframes counter-rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(-360deg);
    }
}

.skill-node:hover {
    transform: scale(1.2) rotate(0deg);
    background: rgba(118, 169, 250, 0.2);
    border-color: var(--accent-blue);
    box-shadow: 0 0 30px var(--accent-glow);
    animation-play-state: paused;
}

.skill-node .skill-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.skill-node .skill-name {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
}

.skill-node:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    animation: counter-rotate-1 30s linear infinite;
}

.skill-node:nth-child(2) {
    top: 25%;
    right: 0;
    transform: translateX(50%) translateY(-50%);
    animation: counter-rotate-2 30s linear infinite;
}

.skill-node:nth-child(3) {
    top: 75%;
    right: 0;
    transform: translateX(50%) translateY(-50%);
    animation: counter-rotate-3 30s linear infinite;
}

.skill-node:nth-child(4) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(50%);
    animation: counter-rotate-4 30s linear infinite;
}

.skill-node:nth-child(5) {
    top: 75%;
    left: 0;
    transform: translateX(-50%) translateY(-50%);
    animation: counter-rotate-5 30s linear infinite;
}

.skill-node:nth-child(6) {
    top: 25%;
    left: 0;
    transform: translateX(-50%) translateY(-50%);
    animation: counter-rotate-6 30s linear infinite;
}

@keyframes counter-rotate-1 {
    from {
        transform: translateX(-50%) translateY(-50%) rotate(0deg);
    }

    to {
        transform: translateX(-50%) translateY(-50%) rotate(-360deg);
    }
}

@keyframes counter-rotate-2 {
    from {
        transform: translateX(50%) translateY(-50%) rotate(0deg);
    }

    to {
        transform: translateX(50%) translateY(-50%) rotate(-360deg);
    }
}

@keyframes counter-rotate-3 {
    from {
        transform: translateX(50%) translateY(-50%) rotate(0deg);
    }

    to {
        transform: translateX(50%) translateY(-50%) rotate(-360deg);
    }
}

@keyframes counter-rotate-4 {
    from {
        transform: translateX(-50%) translateY(50%) rotate(0deg);
    }

    to {
        transform: translateX(-50%) translateY(50%) rotate(-360deg);
    }
}

@keyframes counter-rotate-5 {
    from {
        transform: translateX(-50%) translateY(-50%) rotate(0deg);
    }

    to {
        transform: translateX(-50%) translateY(-50%) rotate(-360deg);
    }
}

@keyframes counter-rotate-6 {
    from {
        transform: translateX(-50%) translateY(-50%) rotate(0deg);
    }

    to {
        transform: translateX(-50%) translateY(-50%) rotate(-360deg);
    }
}

.skills-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: 0 0 50px var(--accent-glow);
    z-index: 10;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.skill-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-blue);
}

.skill-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: rgba(118, 169, 250, 0.1);
}

.skill-item h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.skill-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.skill-progress {
    margin-top: 1rem;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

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

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom,
            transparent 0%,
            var(--accent-blue) 10%,
            var(--accent-blue) 90%,
            transparent 100%);
    transform: translateX(-50%);
    z-index: -1;
}

.timeline-progress {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--accent-blue-dark), var(--accent-blue));
    transform: translateX(-50%);
    transition: height 0.3s ease;
    z-index: 0;
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item {
    position: relative;
    margin: 4rem 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: calc(50% + 3rem);
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: calc(50% + 3rem);
}

.timeline-node {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    z-index: 3;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-node:hover {
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 0 40px var(--accent-glow);
}

.timeline-node.active {
    transform: translate(-50%, -50%) scale(1.3);
    animation: pulse-node 2s infinite;
}

@keyframes pulse-node {

    0%,
    100% {
        box-shadow: 0 0 20px var(--accent-glow);
    }

    50% {
        box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow);
    }
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: rgba(118, 169, 250, 0.1);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transform: rotate(45deg) translateY(-50%);
    z-index: -1;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -3px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -18px;
}

.timeline-year {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    color: white;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.timeline-skill {
    padding: 0.3rem 0.8rem;
    background: rgba(118, 169, 250, 0.2);
    border: 1px solid rgba(118, 169, 250, 0.3);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-blue);
    transition: all 0.3s ease;
}

.timeline-skill:hover {
    background: rgba(118, 169, 250, 0.3);
    transform: translateY(-2px);
}

.timeline-achievements {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-achievement {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-achievement::before {
    content: '✨';
    font-size: 1rem;
}

.timeline-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.timeline-filter {
    padding: 0.8rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    cursor: pointer;
}

.timeline-filter:hover,
.timeline-filter.active {
    background: rgba(118, 169, 250, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

@media (max-width: 768px) {

    .timeline-line,
    .timeline-progress {
        left: 2rem;
    }

    .timeline-item {
        padding-left: 5rem !important;
        padding-right: 1rem !important;
        text-align: left !important;
    }

    .timeline-node {
        left: 2rem !important;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .timeline-content::before {
        left: -18px !important;
        right: auto !important;
    }

    .timeline-controls {
        flex-direction: column;
        align-items: center;
    }

    .timeline-filter {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .timeline-container {
        padding: 2rem 0;
        min-height: 200px;
    }

    .timeline-item {
        margin: 2rem 0;
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.portfolio-card {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.portfolio-image {
    height: 250px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-image::after {
    opacity: 1;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.3) 50%,
            transparent 70%);
    transition: left 0.6s ease;
    z-index: 1;
}

.portfolio-card:hover .portfolio-image::before {
    left: 100%;
}

.portfolio-image.ecommerce {
    background-image: url('images/portfolio-ecommerce.jpg');
}

.portfolio-image.analytics {
    background-image: url('images/portfolio-analytics.jpg');
}

.portfolio-image.music {
    background-image: url('images/portfolio-music.jpg');
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.portfolio-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(118, 169, 250, 0.2);
    border: 1px solid rgba(118, 169, 250, 0.3);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-blue);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
}

.contact-form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-details h4 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-details ul {
    list-style: none;
    padding-left: 1rem;
}

.contact-details li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-details p {
    padding-left: 1rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px var(--accent-glow);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

footer {
    background: linear-gradient(135deg,
            rgba(15, 25, 35, 0.95) 0%,
            rgba(10, 15, 25, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.footer-credits {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-credit-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.footer-credit-link:hover {
    transform: translateY(-2px);
    background: rgba(118, 169, 250, 0.15);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: 0 6px 25px var(--accent-glow);
}

.footer-credit-link.tooplate {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.footer-credit-link.tooplate::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.2) 50%,
            transparent 100%);
    transition: left 0.6s ease;
}

.footer-credit-link.tooplate:hover::before {
    left: 100%;
}

.footer-credit-link.tooplate:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.footer-credit-icon {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.footer-credit-link:hover .footer-credit-icon {
    transform: scale(1.2) rotate(5deg);
}

.footer-divider {
    width: 2px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 1px;
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-credits {
        justify-content: center;
    }

    .about-intro {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: row;
        justify-content: space-between;
    }

    .logo {
        order: 1;
    }

    .mobile-menu-btn {
        order: 2;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex !important;
    }

    .hero {
        padding-top: 200px;
    }

    .hero {
        padding-top: 150px;
    }

    .hero h1 {
        font-size: clamp(2rem, 7vw, 3.5rem);
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .cta-buttons {
        width: 100%;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        text-align: center;
    }

    .stats-section {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .stat-card {
        width: 100%;
        max-width: 300px;
    }

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

    .skills-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .skills-visual {
        height: 400px;
        margin: 0 auto;
    }

    .skills-circle {
        width: 300px;
        height: 300px;
    }

    .skill-node {
        width: 104px;
        height: 104px;
    }

    .skill-node .skill-icon {
        font-size: 1.5rem;
    }

    .skill-node .skill-name {
        font-size: 0.7rem;
    }

    .skills-center {
        width: 120px;
        height: 120px;
        font-size: 2.5rem;
    }

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

    .contact-info,
    .contact-form-container {
        padding: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }

    .footer-credits {
        flex-direction: column;
        align-items: center;
    }

    .footer-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-card {
        border-radius: 20px;
    }

    .contact-info,
    .contact-form-container {
        padding: 1.5rem;
        border-radius: 20px;
    }

    .about-image {
        width: 200px;
        height: 200px;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.nav-links a:focus,
.cta-primary:focus,
.cta-secondary:focus,
.form-input:focus,
.form-textarea:focus,
.submit-btn:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.reg {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    box-shadow: 0 8px 25px var(--accent-glow);
}

.inpt {
    padding: 0.8rem;
    width: 20rem;
    background-color: #4f83f7;
    background: linear-gradient(135deg, #171725 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
    color: white;
    border-radius: 0.5rem;
}

.asd {
    margin-top: 1rem;
}

/*szem kinézete*/
.inpt-wrap {
    position: relative;
    width: 20rem;
    display: inline-block;
}

.inpt {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #aaa;
    font-size: 0.95rem;
    user-select: none;
}

.toggle-password:hover {
    color: white;
}

.oldalsav {
    position: fixed;
    padding-bottom: 100%;
    background: linear-gradient(135deg, #24243a 0%, #383855 25%, #1a1a2e 50%, #16213e 75%, #103561 100%);
}

.kozepre {
    color: white;
    text-decoration: none;
    display: block;
    margin-left: 33%;
}

.kozepre2 {
    color: white;
    text-decoration: none;
    display: block;
}

.vonal {
    border-bottom: 2px solid gray;
}

.logobal {
    display: flex;
    align-items: left;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
    margin: 0px;
}

.logo-iconbal {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
    border-radius: 10px;
    display: flex;
    align-items: left;
    justify-content: left;
    box-shadow: 0 4px 12px var(--accent-glow);
    margin: 0px;
}

.logo-textbal {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin: 0px;
}

.nav-containerbal {
    max-width: 1200px;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: left;
    padding: 0 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.link:active {
    color: var(--accent-blue);
}

.link {
    color: var(--accent-blue-dark);
}

.link:visited {
    color: var(--accent-blue);
}

.notes-body {
    display: flex;
    height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #171725 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
}

.sidebar {
    width: 280px;
    background: linear-gradient(135deg, #1a252f 50%, #16213e 100%);
    color: white;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #ddd;
}

.sidebar-header {
    padding: 20px;
    background: #141c24;
    text-align: center;
}

.new-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 10px;
    width: 80%;
    border-radius: 5px;
    cursor: pointer;
    margin: 10px auto;
    display: block;
}

#notesList {
    flex: 1;
    overflow-y: auto;
}

.note-item {
    padding: 15px;
    border-bottom: 1px solid #34495e;
    cursor: pointer;
    transition: 0.3s;
    position: relative;
}

.note-item:hover {
    background: #3e5871;
}

.note-item b {
    display: block;
    color: #3498db;
    margin-bottom: 5px;
    padding-right: 25px;
}

.note-item span {
    font-size: 0.9em;
    color: #ccc;
}

.delete-btn {
    position: absolute;
    top: 15px;
    right: 10px;
    background: none;
    border: none;
    color: #e74c3c;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.3;
    transition: 0.2s;
}

.note-item:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    transform: scale(1.2);
    color: #ff5e4d;
}

.logout-btn {
    padding: 15px;
    background: #81281e;
    color: white;
    border: none;
    cursor: pointer;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #171725 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
}

.title-input-container {
    padding: 15px 30px 0 30px;
    background: #f8f9fa;
}

#noteTitle {
    width: 100%;
    padding: 10px;
    font-size: 20px;
    font-weight: bold;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

#toggleBtn {
    position: absolute;
    right: 5px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

.toolbar {
    padding: 10px 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
    display: flex;
    gap: 8px;
    align-items: center;
}

.toolbar button,
.toolbar select {
    padding: 5px 8px;
    border: 1px solid #ccc;
    background: white;
    cursor: pointer;
    border-radius: 3px;
}

#editor {
    flex: 1;
    padding: 20px 30px;
    outline: none;
    font-size: 16px;
    overflow-y: auto;
    line-height: 1.6;
}

.save-bar {
    padding: 15px;
    background: #f8f9fa;
    border-top: 1px solid #ddd;
    text-align: right;
}

.save-btn {
    background: #1f864a;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.hatter {
    background: linear-gradient(135deg, #171725 0%, #151520 25%, #1a1a2e 50%, #16213e 75%, #0f3460 100%);
}

.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
}

.popup-content {
    size: 30%;
    margin: 15% auto;
    padding: 20px;
    text-align: center;
}

#ad{
    width: 60%;
    
}

.kep {
    width: 80%;
    rotate: 1deg;
    margin-top: 2rem;
}

.kep2 {
    width: 80%;
    rotate: -1deg;
    margin-top: 2rem;
}

.functions {
    text-align: left;
}

img:hover {
    transform: scale(1.02);
    background-color: rgb(173, 173, 237);
}