:root {
    --bg-color: #0a0a0a;
    --text-color: #f0f0f0;
    --accent-color: #ffffff;
    --secondary-text: #acacac;
    --glass-bg: rgba(10, 10, 10, 0.8);
    --border-color: #333333;
    --font-main: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;

}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 100%);
    background-attachment: fixed;
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
    overscroll-behavior: none;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 100%);
    background-attachment: fixed;
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
    min-height: 100vh;
    overscroll-behavior-y: none;
}

body.no-scroll {
    overflow: hidden;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

@media (max-width: 1024px), (pointer: coarse) {
    .cursor-dot,
    .cursor-outline {
        display: none !important;
    }
    
    * {
        cursor: auto !important;
    }
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    opacity: 1;
    transition: opacity 0.5s ease;
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-color);
    opacity: 1;
    transition: width 0.2s, height 0.2s, background-color 0.2s, opacity 0.5s;
}

body:hover .cursor-outline {
    opacity: 1;
}

.click-ripple {
    position: fixed;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid var(--accent-color);
    background-color: rgba(255, 255, 255, 0.2);
    pointer-events: none;
    z-index: 9999;
    animation: rippleAnim 0.5s ease-out forwards;
}

@keyframes rippleAnim {
    0% {
        width: 0;
        height: 0;
        opacity: 0.8;
    }
    100% {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--secondary-text);
    margin-top: 1rem;
    font-weight: 300;
    display: inline-block;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    overflow: hidden;
    padding-right: 2px;
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.subtitle.typing-complete {
    animation: blinkCursor 1s step-end infinite;
}

.subtitle.cursor-hidden {
    border-right-color: transparent !important;
    animation: none;
}

@keyframes blinkCursor {
    0%, 49% {
        border-right-color: var(--accent-color);
    }

    50%, 100% {
        border-right-color: transparent;
    }
}

h2.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

h2.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 1s ease-out;
}

section.active h2.section-title::after {
    width: 60px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    z-index: 100;
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: padding 0.3s;
}

header.scrolled {
    padding: 1rem 2rem;
    background: rgba(10, 10, 10, 0.9);
}

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

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.logo-dot {
    display: inline-block;
    opacity: 1;
    transition: opacity 0.1s;
}

.logo:hover .logo-dot {
    animation: blinkDot 1s step-end infinite;
}

@keyframes blinkDot {

    from,
    to {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.lang-toggle {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: 2rem;
}

.lang-toggle button {
    background: none;
    border: none;
    color: var(--secondary-text);
    font-family: var(--font-main);
    font-size: 0.9rem;
    cursor: none;
    transition: color var(--transition-speed);
}

.lang-toggle button:hover,
.lang-toggle button.active {
    color: var(--accent-color);
    font-weight: 700;
}


.lang-toggle span {
    color: var(--border-color);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
}

.color-picker {
    display: flex;
    gap: 0.5rem;
    margin-left: 1.5rem;
    align-items: center;
}

.color-btn {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 1px solid transparent;
    cursor: none;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
}

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

.color-btn.active {
    border-color: var(--text-color);
    transform: scale(1.1);
}

#hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 10%;
    overflow: hidden;
    min-height: 100vh;
}

#stars-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    mask-image: linear-gradient(to top, transparent 0%, black 10%);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.highlight {
    -webkit-text-stroke: 1px var(--accent-color);
    color: transparent;
    position: relative;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--secondary-text);
    max-width: 500px;
    margin: 2rem 0;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border: 1px solid var(--accent-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.1s ease-out;
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-block;
}

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

.btn.primary:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.btn.secondary:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: var(--accent-color);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

.violin-decoration {
    position: absolute;
    right: 0;
    top: 90vh;
    transform: translateY(-50%);
    width: clamp(250px, 50vw, 66rem);
    opacity: .7;
    z-index: 5;
    pointer-events: none;
    mask-image: linear-gradient(to top, transparent 0%, black 70%);

}

.violin-decoration img {
    width: 100%;
    height: auto;
}

.about-container {
    margin: 0 auto 0 clamp(3rem, 10vw, 3rem);
}

.about-content {
    max-width: 800px;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--secondary-text);
    text-shadow: 2px 2px 4px rgb(116 116 116 / 40%);
}

#about {
    position: relative;
    overflow: hidden;
}

.musical-notes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.note {
    position: absolute;
    font-size: clamp(1.5rem, 3vw, 3rem);
    color: var(--accent-color);
}

.note-1 {
    top: 8%;
    right: -50px;
    animation: floatNote1 17s linear infinite;
}

.note-2 {
    top: 22%;
    right: -50px;
    animation: floatNote2 19s linear infinite 1.5s;
}

.note-3 {
    top: 35%;
    right: -50px;
    font-size: clamp(2rem, 4vw, 4rem);
    animation: floatNote3 22s linear infinite 3s;
}

.note-4 {
    top: 48%;
    right: -50px;
    animation: floatNote4 15s linear infinite 0.5s;
}

.note-5 {
    top: 61%;
    right: -50px;
    animation: floatNote5 20s linear infinite 2.5s;
}

.note-6 {
    top: 12%;
    right: -50px;
    font-size: clamp(2rem, 4vw, 4rem);
    animation: floatNote6 18s linear infinite 4s;
}

.note-7 {
    top: 74%;
    right: -50px;
    animation: floatNote7 16s linear infinite 1s;
}

.note-8 {
    top: 87%;
    right: -50px;
    animation: floatNote8 21s linear infinite 3.5s;
}

.note-9 {
    top: 28%;
    right: -50px;
    animation: floatNote9 14s linear infinite 2s;
}

.note-10 {
    top: 42%;
    right: -50px;
    font-size: clamp(2rem, 4vw, 4rem);
    animation: floatNote10 23s linear infinite 5s;
}

.note-11 {
    top: 55%;
    right: -50px;
    animation: floatNote11 17s linear infinite 0.8s;
}

.note-12 {
    top: 68%;
    right: -50px;
    animation: floatNote12 19s linear infinite 4.2s;
}

.note-13 {
    top: 18%;
    right: -50px;
    font-size: clamp(2rem, 4vw, 4rem);
    animation: floatNote13 20s linear infinite 1.8s;
}

.note-14 {
    top: 80%;
    right: -50px;
    animation: floatNote14 16s linear infinite 3.8s;
}

.note-15 {
    top: 92%;
    right: -50px;
    animation: floatNote15 18s linear infinite 2.3s;
}

@keyframes floatNote1 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-30px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-50px); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(-45px); opacity: 0.18; }
    100% { transform: translateX(-110vw) translateY(-60px); opacity: 0.22; }
}

@keyframes floatNote2 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(40px) rotate(5deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(60px) rotate(8deg); opacity: 0.11; }
    75% { transform: translateX(-82vw) translateY(70px) rotate(12deg); opacity: 0.17; }
    100% { transform: translateX(-110vw) translateY(80px) rotate(15deg); opacity: 0.2; }
}

@keyframes floatNote3 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-20px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-30px); opacity: 0.1; }
    75% { transform: translateX(-82vw) translateY(-35px); opacity: 0.15; }
    100% { transform: translateX(-110vw) translateY(-40px); opacity: 0.18; }
}

@keyframes floatNote4 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(25px) rotate(-3deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(30px) rotate(-5deg); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(20px) rotate(-8deg); opacity: 0.18; }
    100% { transform: translateX(-110vw) translateY(-20px) rotate(12deg); opacity: 0.22; }
}

@keyframes floatNote5 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-22px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(20px); opacity: 0.11; }
    75% { transform: translateX(-82vw) translateY(35px); opacity: 0.17; }
    100% { transform: translateX(-110vw) translateY(55px); opacity: 0.2; }
}

@keyframes floatNote6 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(35px) rotate(-8deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(50px) rotate(-12deg); opacity: 0.09; }
    75% { transform: translateX(-82vw) translateY(60px) rotate(-16deg); opacity: 0.14; }
    100% { transform: translateX(-110vw) translateY(70px) rotate(-20deg); opacity: 0.17; }
}

@keyframes floatNote7 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-25px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-35px); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(-30px); opacity: 0.18; }
    100% { transform: translateX(-110vw) translateY(-35px); opacity: 0.21; }
}

@keyframes floatNote8 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-38px) rotate(7deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-55px) rotate(11deg); opacity: 0.13; }
    75% { transform: translateX(-82vw) translateY(-65px) rotate(15deg); opacity: 0.19; }
    100% { transform: translateX(-110vw) translateY(-75px) rotate(18deg); opacity: 0.22; }
}

@keyframes floatNote9 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(20px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(30px); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(45px); opacity: 0.18; }
    100% { transform: translateX(-110vw) translateY(65px); opacity: 0.21; }
}

@keyframes floatNote10 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(25px) rotate(-6deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(35px) rotate(-9deg); opacity: 0.1; }
    75% { transform: translateX(-82vw) translateY(42px) rotate(-12deg); opacity: 0.15; }
    100% { transform: translateX(-110vw) translateY(50px) rotate(-15deg); opacity: 0.18; }
}

@keyframes floatNote11 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(22px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(35px); opacity: 0.11; }
    75% { transform: translateX(-82vw) translateY(-38px); opacity: 0.17; }
    100% { transform: translateX(-110vw) translateY(-45px); opacity: 0.2; }
}

@keyframes floatNote12 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-32px) rotate(8deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-48px) rotate(13deg); opacity: 0.11; }
    75% { transform: translateX(-82vw) translateY(-58px) rotate(17deg); opacity: 0.16; }
    100% { transform: translateX(-110vw) translateY(-65px) rotate(20deg); opacity: 0.19; }
}

@keyframes floatNote13 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(27px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(40px); opacity: 0.09; }
    75% { transform: translateX(-82vw) translateY(48px); opacity: 0.14; }
    100% { transform: translateX(-110vw) translateY(55px); opacity: 0.17; }
}

@keyframes floatNote14 {
    0% { transform: translateX(0) translateY(0) rotate(0deg); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(19px) rotate(5deg); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(28px) rotate(8deg); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(42px) rotate(12deg); opacity: 0.18; }
    100% { transform: translateX(-110vw) translateY(60px) rotate(15deg); opacity: 0.21; }
}

@keyframes floatNote15 {
    0% { transform: translateX(0) translateY(0); opacity: 0; }
    40% { transform: translateX(-44vw) translateY(-29px); opacity: 0.03; }
    50% { transform: translateX(-55vw) translateY(-42px); opacity: 0.12; }
    75% { transform: translateX(-82vw) translateY(-50px); opacity: 0.17; }
    100% { transform: translateX(-110vw) translateY(-58px); opacity: 0.2; }
}

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

#experience {
    position: relative;
    overflow: hidden;
}

.experience-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);

}

.binary-col {
    position: absolute;
    top: -100%;
    left: var(--x);
    color: var(--accent-color);
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    opacity: 0.1;
    writing-mode: vertical-rl;
    text-orientation: upright;
    animation: binaryRain var(--s) linear infinite;
    animation-delay: var(--d);
    white-space: nowrap;
    letter-spacing: 5px;
    text-shadow: 0 0 5px var(--accent-color);
}

@keyframes binaryRain {
    0% { top: -50%; opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { top: 100%; opacity: 0; }
}

#education {
    position: relative;
    overflow: hidden; 

}

.education-container {
    margin: 0 auto;
}

.education-bg-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 75%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
    mask-image: linear-gradient(to top, transparent 0%, black 30%);
}

.education-bg-lines img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.education-layout {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    gap: 4rem;
}

.education-image {
    flex: 0 0 400px;
    position: relative;
    display: flex;
    justify-content: center;
    animation: floatImage 6s ease-in-out infinite;
}

.education-image img {
    width: 100%;
    height: auto;
    margin-top: -130px;
    transition: transform 0.3s ease, filter 0.3s ease;

}

.education-image img:hover,
.education-image.active-mobile img {
    transform: scale(1.02);
    filter: grayscale(0%) drop-shadow(0 0 30px rgba(255, 255, 255, 0.2));
}

.geo-3d-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    z-index: -1;
    pointer-events: none;
}

.geo-shape {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 40px;
    transition: all 0.5s ease;
}

.shape-outline {
    border: 2px solid var(--secondary-text);
    transform: rotate(-15deg) translate(-20px, -20px);
    opacity: 0.3;
}

.shape-filled {
    background: var(--accent-color);
    transform: rotate(-15deg);
    opacity: 0.8;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.geo-deco {
    position: absolute;
    color: var(--secondary-text);
    font-weight: bold;
    font-size: 2rem;
    opacity: 0.5;
}

.circle-deco {
    top: -20px;
    right: -20px;
    width: 30px;
    height: 30px;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
}

.plus-deco {
    bottom: -50px;
    right: 20px;
    color: var(--accent-color);
    font-size: 3rem;
}

.square-deco {
    bottom: 20px;
    left: -30px;
    width: 25px;
    height: 25px;
    border: 2px solid var(--accent-color);
    transform: rotate(45deg);
    opacity: 0.6;
}

.triangle-deco {
    position: absolute;
    top: -12px;
    left: 0;
    color: var(--accent-color);
    cursor: pointer;
    z-index: 10;
    transform: scale(1.5) rotate(30deg);
    transition: transform 0.3s ease;
}


.triangle-deco:hover {
    transform: scale(1.5) rotate(90deg);
    text-shadow: 0 0 10px var(--accent-color);
}

@keyframes floatTriangle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.modal {
    display: none; 
    position: fixed; 
    z-index: 10000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.9); 
    backdrop-filter: blur(5px);
    cursor: auto;
}

.modal * {
    cursor: auto;
}

.modal-content {
    background-color: #1a1a1a;
    margin: 5% auto; 
    padding: 20px;
    border: 1px solid var(--accent-color);
    width: 80%;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    position: relative;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
}

.game-container {
    position: relative;
    width: 100%;
    padding-bottom: 75%;
    height: 0;
    overflow: hidden;
}

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

.education-image:hover .shape-filled,
.education-image.active-mobile .shape-filled {
    transform: rotate(-10deg) scale(1.05);
    opacity: 1;
}

.education-image:hover .shape-outline,
.education-image.active-mobile .shape-outline {
    transform: rotate(-20deg) translate(-30px, -30px);
    opacity: 0.5;
    border-color: var(--accent-color);
}

.education-content {
    flex: 1;
}

.timeline {
    --timeline-padding: 2rem;
    position: relative;
    padding-left: var(--timeline-padding);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: var(--line-height, 0%);
    background: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    transition: height 0.1s ease-out;
    z-index: 1;
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease-out;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--timeline-padding) - 4px);
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background-color: var(--bg-color);
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 2;
}

.timeline-item:hover::before {
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.timeline-item.active-point::before {
    background-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.2);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--secondary-text);
    margin-bottom: 1rem;
}

.experience-list {
    list-style: disc;
    padding-left: 1.2rem;
    color: var(--text-color);
}

.experience-list li {
    margin-bottom: 0.5rem;
}

.projects-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.swiper {
    width: 100%;
    padding: 2rem 21px 3rem 21px;
    overflow: hidden;
}

.swiper-slide {
    height: auto;
    display: flex;
    justify-content: center;
}

@media (min-width: 1024px) {
    #experience {
        padding-top: 0;
    }
    .swiper {
        height: 700px;
    }
}

@media (max-width: 1023px) {

    .swiper {
        height: auto;
        padding-bottom: 3rem;
    }

    .swiper-wrapper {
        align-items: stretch;
    }

    .swiper-slide {
        height: auto !important;
    }

    .project-card {
        height: 100%;
    }
}

.project-card {
    background-color: #111;
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: transform 0.1s ease-out, border-color 0.3s;
    position: relative;
    overflow: hidden;
    width: 100%; 
    height: 100%;
    transform-style: preserve-3d;
    perspective: 1000px;
    display: flex;
    flex-direction: column;
}

.project-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-info p {
    flex: 1;
}

.project-card.coming-soon {
    border-style: dashed;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.swiper-button-next,
.swiper-button-prev {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-color) !important;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.3s;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    margin-top: 0;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.2rem;
    font-weight: bold;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: var(--accent-color);
    color: var(--bg-color) !important;
    border-color: var(--accent-color);
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: var(--border-color);
    opacity: 1;
    transition: background-color 0.3s, transform 0.3s;
}

.swiper-pagination-bullet-active {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

.swiper-button-prev {
    left: 10px;
}

.swiper-button-next {
    right: 10px;
}

@media (max-width: 1220px) {
    .projects-wrapper {
        padding: 0 60px;
    }

    .swiper-button-prev {
        left: -10px;
    }

    .swiper-button-next {
        right: -10px;
    }
}

@media (max-width: 768px) {
    .projects-wrapper {
        padding: 0;
    }

    .swiper {
        padding: 2rem 1rem 3rem 1rem;
        height: auto;
    }
    
    .swiper-button-next,
    .swiper-button-prev {
        display: none;
    }
}

.project-card.visible {
    opacity: 1;

    transition: opacity 0.6s ease-out, border-color 0.3s;
}

.project-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.project-info {
    transform: translateZ(20px);
    pointer-events: none;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
    pointer-events: none;
}

.project-card:hover::after {
    transform: translateX(100%);
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-info p {
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
}

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

.tags span {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--secondary-text);
    transition: all 0.3s;
}

.project-card:hover .tags span {
    border-color: var(--accent-color);
    color: var(--text-color);
}

#contact {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to top, transparent 0%, black 10%, black 90%, transparent 100%);
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
background:
    radial-gradient(farthest-side at 80% 20%, rgba(255,255,255,0.02), transparent),
    radial-gradient(farthest-side at 20% 80%, rgba(255,255,255,0.02), transparent);

    z-index: -1;
}

.contact-container {
    position: relative;
    z-index: 1;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-details h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.contact-details p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
    cursor: none;
}

.contact-info-item:hover {
    transform: translateX(2px);
}

.contact-info-item a {
    display: inline-block;
    transition: letter-spacing 0.3s ease, color 0.3s ease;
}

.contact-info-item:hover a {
    letter-spacing: 0.05em;
    color: var(--accent-color);
}

.contact-info-item .icon {
    font-size: 1.5rem;
    transition: transform 0.5s ease, color 0.5s ease;
}

.contact-info-item:hover .icon {
    transform: scale(1.02);
    color: var(--accent-color);
}

.social-links-icons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-links-icons a {
    color: var(--secondary-text);
    transition: color 0.3s, transform 0.3s;
}

.social-links-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-form {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.error-message {
    color: #ff4444;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: none;
    position: absolute;
    bottom: -20px;
    left: 0;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ff4444;
}

.form-group.error .error-message {
    display: block;
}

.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(20, 20, 20, 0.95);
    color: var(--text-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 350px;
    backdrop-filter: blur(10px);
}

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

.toast-notification.error {
    border-left-color: #ff4444;
}

.toast-notification.success {
    border-left-color: #00C851;
}

.toast-notification.warning {
    border-left-color: #ffbb33;
}

@media (max-width: 1380px) {
    .lang-toggle {
        margin-left: auto;
        margin-right: 2rem;
    }

    .color-picker {
        margin-right: 3.5rem;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        transition: all 0.3s ease-in-out;
        background-color: var(--text-color);
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100dvh;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease-in-out;
        z-index: 1000;
        gap: 2rem;
    }

    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }
}

@media (max-width: 1380px) and (max-height: 600px) {
    .nav-links {
        justify-content: flex-start;
        padding-top: 6rem;
        padding-bottom: 2rem;
        overflow-y: auto;
        gap: 1rem;
        scrollbar-width: none;
    }
    
    .nav-links::-webkit-scrollbar {
        display: none;
    }

}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-details {
        text-align: center;
    }

    .contact-info-item {
        justify-content: center;
    }

    .social-links-icons {
        justify-content: center;
    }

}

@media (max-width: 1024px) {
    header {
        padding: 1rem 1.5rem;
    }

    .lang-toggle {
        margin-left: auto;
        margin-right: clamp(1rem, 3vw, 1.5rem);
    }

    .color-picker {
        margin-right: 1.5rem;
        gap: 0.3rem;
    }

    #hero {
        padding-top: 10rem;
    }

    section {
        padding: 4rem 0;
    }

    h1 {
        font-size: clamp(2.5rem, 6vw, 4.5rem);
    }

    .subtitle {
        font-size: clamp(1.2rem, 3vw, 2rem);
    }

    #hero {
        padding-left: 5%;
    }

    .hero-content p {
        font-size: 1rem;
        margin: 1.5rem 0;
    }

    .about-container {
        margin: 0 auto;
    }
    .education-container {
        margin: 0 auto;
        padding: 0 2rem;
    }

    .education-layout {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
        text-align: center;
    }

    .education-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
    }

    .education-image img {
        margin-top: 0;
    }

    .education-content {
        width: 100%;
    }

    .education-content .timeline {
        text-align: left;
        --timeline-padding: 1.5rem;
        padding-left: var(--timeline-padding);
        margin: 0 auto;
        max-width: 600px;
    }


    .contact-form button[type="submit"] {
        display: block;
        margin: 1.2rem auto 0;
        width: auto;
        min-width: 160px;
    }
}

@media (max-width: 768px) {

    html, body {
        background-attachment: scroll;
        height: auto;
        min-height: 100vh;
        overscroll-behavior-y: none;
    }

    h1 {
        font-size: 3rem;
    }

    #hero {
        padding-left: 5%;
        justify-content: flex-start;
    }

    .about-container {
        margin: 0 auto;
    }
    .education-container {
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .education-layout {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
        text-align: center;
    }

    .education-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .education-image img {
        margin-top: 0;
    }

    .education-content {
        width: 100%;
    }

    .education-content .timeline {
        text-align: left;
        --timeline-padding: 1.5rem;
        padding-left: var(--timeline-padding);
        margin: 0 auto;
        max-width: 500px;
    }
}

@media (max-width: 450px) {
    .logo {
        white-space: nowrap;
    }

    .hero-content p {
        max-width: 260px; 
        font-size: 0.98rem;
        margin-right: 0;
        margin-top: 0;
    }

    .contact-container > h2.section-title::after ,.education-content > h2.section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .contact-container {
        text-align: center;
    }

    .contact-info-item {
        justify-content: center;
    }

}

@media (max-width: 411px) {

    header .color-picker:not(.mobile-picker) {
        display: none;
    }

    .mobile-color-picker-item {
        display: block !important;
        margin-top: 1rem;
    }

    .mobile-picker {
        display: flex;
        gap: 0.5rem;
        justify-content: center;
    }
}

.negotiate-cta {
    margin-top: 4rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeIn 1s ease-out forwards 1s;
}

.negotiate-cta p {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-color);
    letter-spacing: 1px;
}

.scroll-down-arrow {
    display: block;
    position: relative;
    width: 24px;
    height: 24px;
}

.scroll-down-arrow span {
    display: block;
    width: 15px;
    height: 15px;
    border-bottom: 2px solid var(--accent-color);
    border-right: 2px solid var(--accent-color);
    transform: rotate(45deg);
    margin: -5px auto;
    animation: scrollArrow 2s infinite;
}

.scroll-down-arrow span:nth-child(2) {
    animation-delay: -0.2s;
}

.scroll-down-arrow span:nth-child(3) {
    animation-delay: -0.4s;
}

@keyframes scrollArrow {
    0% { opacity: 0; transform: rotate(45deg) translate(-10px, -10px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(10px, 10px); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

#projects {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.projects-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(var(--accent-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-color) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 90%);
    pointer-events: none;
}

.floating-code-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.code-symbol {
    position: absolute;
    color: var(--accent-color);
    opacity: 0.03;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: clamp(3rem, 8vw, 6rem);
    left: var(--x);
    top: var(--y);
    animation: floatSymbol 15s ease-in-out infinite;
    animation-delay: calc(var(--i) * -2s);
    user-select: none;
}

@keyframes floatSymbol {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

#skills {
    padding-top: 2rem;
}

#skills .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#skills .section-title {
    text-align: center;
}

#skills .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.skills-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    background-image: 
        radial-gradient(circle at 20% 20%, var(--accent-color) 0%, transparent 5%),
        radial-gradient(circle at 80% 80%, var(--accent-color) 0%, transparent 5%);
    background-size: 100px 100px;
    animation: pulseGrid 10s ease-in-out infinite alternate;
    mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 90%);
    pointer-events: none;
}

@keyframes pulseGrid {
    0% { background-size: 100px 100px; opacity: 0.1; }
    100% { background-size: 110px 110px; opacity: 0.2; }
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.skill-item {
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
    opacity: 0;
    transform: scale(0.9);
}

.skill-item.visible {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out, background-color 0.3s, color 0.3s;
}

.skill-item:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    transform: translateY(-5px);
}

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

.blog-card {
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: border-color var(--transition-speed);
}

.blog-card:hover {
    border-color: var(--accent-color);
}

.blog-date {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin-bottom: 0.5rem;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--accent-color);
}

.contact-info p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--secondary-text);
}

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

.social-links {
    margin-top: 4rem;
    display: flex;
    gap: 2rem;
}

.social-links a {
    font-size: 1.1rem;
    border-bottom: 1px solid transparent;
}

.social-links a:hover {
    border-bottom-color: var(--accent-color);
}

footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}