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

:root {
    --primary-color: #ffffff;
    --secondary-color: #000000;
    --accent-color: #00ff88;
    --text-light: #a0a0a0;
    --bg-dark: #0a0a0a;
    --bg-light: #1a1a1a;
    --border-color: #2a2a2a;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Particle Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.5;
    animation: float-particle 20s infinite linear;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) translateX(100px) rotate(360deg);
        opacity: 0;
    }
}

/* Animated Gradient Background */
.animated-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(-45deg, #0a0a0a, #1a1a1a, #0a0a0a, #1a1a1a);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
    z-index: -2;
    opacity: 0.5;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%);
    animation: slideDown 0.8s ease-out forwards;
    transition: all 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.code-symbol {
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 1.8rem;
    animation: rotate-symbol 3s ease-in-out infinite;
    display: inline-block;
}

@keyframes rotate-symbol {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-10deg);
    }
    75% {
        transform: rotate(10deg);
    }
}

.logo-text {
    background: linear-gradient(135deg, #ffffff, var(--accent-color), #a0a0a0);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-text 3s ease infinite;
}

@keyframes gradient-text {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
    opacity: 1;
    animation: fadeInRight 0.6s ease-out forwards;
}

.nav-link:nth-child(1) { animation-delay: 0.1s; }
.nav-link:nth-child(2) { animation-delay: 0.2s; }
.nav-link:nth-child(3) { animation-delay: 0.3s; }
.nav-link:nth-child(4) { animation-delay: 0.4s; }

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

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: width 0.3s ease;
    z-index: -1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--accent-color);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link:hover::before {
    width: 100%;
}

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

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

.nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    opacity: 1;
    animation: fadeIn 1s ease-out 0.1s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    z-index: -1;
}

.code-animation {
    position: absolute;
    width: 100%;
    height: 100%;
}

.code-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    animation: codeFlow 20s infinite linear;
    box-shadow: 0 0 10px var(--accent-color);
}

.code-line::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-color);
    animation: codePulse 2s infinite;
}

@keyframes codePulse {
    0%, 100% {
        opacity: 1;
        transform: scaleX(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleX(1.5);
    }
}

.code-line:nth-child(1) {
    top: 20%;
    animation-delay: 0s;
}

.code-line:nth-child(2) {
    top: 50%;
    animation-delay: 7s;
}

.code-line:nth-child(3) {
    top: 80%;
    animation-delay: 14s;
}

@keyframes codeFlow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
    padding: 0 20px;
    transform: translateY(0);
    opacity: 1;
    animation: slideUpFade 1s ease-out 0.2s forwards;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    position: relative;
    display: inline-block;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    animation: expandLine 1.5s ease-out 1.5s forwards;
    box-shadow: 0 0 20px var(--accent-color);
}

@keyframes expandLine {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typing-text {
    background: linear-gradient(135deg, #ffffff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-height: 1.2em;
    display: inline-block;
}

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

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.4s forwards;
}

.btn {
    padding: 12px 30px;
    border: 2px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    box-shadow: 0 0 0 rgba(0, 255, 136, 0);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn:hover {
    color: var(--secondary-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.btn:hover::before {
    left: 0;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-secondary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary::before {
    background: var(--primary-color);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 20px;
    transition: transform 0.3s ease;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.1);
}

.stat-item:hover::before {
    width: 100%;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-color);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.8);
    transform: scale(1.1);
}

.stat-label {
    color: var(--text-light);
    margin-top: 0.5rem;
    transition: color 0.3s ease;
}

.stat-item:hover .stat-label {
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--accent-color);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    white-space: nowrap;
    position: relative;
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.visible .section-title {
    opacity: 1;
    transform: translateX(0);
}

.title-number {
    color: var(--accent-color);
    margin-right: 10px;
    display: inline-block;
    animation: pulse-number 2s ease-in-out infinite;
}

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

.title-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
    margin-left: 20px;
    position: relative;
    overflow: hidden;
}

.title-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    transition: left 1s ease;
}

.section-header.visible .title-line::before {
    left: 100%;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.about-image-container {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 1;
    opacity: 1;
    transform: scale(1) rotateY(0deg);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.image-wrapper.visible {
    opacity: 1;
    transform: scale(1) rotateY(0deg);
}

#profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: grayscale(20%);
}

.image-wrapper:hover #profile-image {
    transform: scale(1.1) rotate(2deg);
    filter: grayscale(0%);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.image-wrapper:hover .image-overlay {
    opacity: 1;
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 15px 25px;
    border: 2px solid var(--accent-color);
    border-radius: 5px;
    transition: all 0.3s;
}

.upload-label:hover {
    background: var(--accent-color);
    color: var(--secondary-color);
}

.image-border {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    border-radius: 10px;
    z-index: -1;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    animation: border-glow 3s ease-in-out infinite;
}

@keyframes border-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 255, 136, 0.6);
    }
}

.image-wrapper:hover .image-border {
    top: 10px;
    left: 10px;
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.8);
    transform: rotate(5deg);
}

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

.shape {
    position: absolute;
    border: 2px solid var(--accent-color);
    opacity: 0.3;
    filter: blur(1px);
}

.shape-1 {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    top: -50px;
    right: -50px;
    animation: float 6s ease-in-out infinite, pulse-shape 4s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.shape-2 {
    width: 60px;
    height: 60px;
    bottom: -30px;
    left: -30px;
    animation: float 8s ease-in-out infinite reverse, pulse-shape 5s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

.shape-3 {
    width: 80px;
    height: 80px;
    top: 50%;
    right: -40px;
    transform: rotate(45deg);
    animation: float 7s ease-in-out infinite, pulse-shape 6s ease-in-out infinite;
    box-shadow: 0 0 18px rgba(0, 255, 136, 0.3);
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) rotate(0deg);
    }
    33% { 
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% { 
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

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

.skills-section {
    margin-top: 2rem;
}

.skills-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0) scale(1);
    cursor: pointer;
}

.skill-item span {
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
}

.skill-icon {
    position: relative;
    z-index: 1;
}

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

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.15), transparent);
    transition: left 0.6s ease;
    z-index: 0;
}

.skill-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.skill-item:hover::after {
    width: 200px;
    height: 200px;
}

.skill-item:hover {
    transform: translateY(-10px) scale(1.08);
    background: var(--bg-light);
}

.skill-item:hover span {
    color: var(--primary-color);
}

.skill-item:hover::before {
    left: 100%;
}

.skill-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.skill-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-item:hover .skill-icon {
    transform: scale(1.3) rotate(5deg);
}

.skill-item:hover .skill-icon img {
    filter: grayscale(0%) brightness(1.2) drop-shadow(0 0 10px var(--accent-color));
    transform: scale(1.1);
}

/* Skill-specific colors on hover */
.skill-item[data-skill="javascript"]:hover {
    border-color: #F7DF1E;
    box-shadow: 0 10px 30px rgba(247, 223, 30, 0.3);
}

.skill-item[data-skill="react"]:hover {
    border-color: #61DAFB;
    box-shadow: 0 10px 30px rgba(97, 218, 251, 0.3);
}

.skill-item[data-skill="nodejs"]:hover {
    border-color: #339933;
    box-shadow: 0 10px 30px rgba(51, 153, 51, 0.3);
}

.skill-item[data-skill="python"]:hover {
    border-color: #3776AB;
    box-shadow: 0 10px 30px rgba(55, 118, 171, 0.3);
}

.skill-item[data-skill="typescript"]:hover {
    border-color: #3178C6;
    box-shadow: 0 10px 30px rgba(49, 120, 198, 0.3);
}

.skill-item[data-skill="mongodb"]:hover {
    border-color: #47A248;
    box-shadow: 0 10px 30px rgba(71, 162, 72, 0.3);
}

.skill-item[data-skill="kali"]:hover {
    border-color: #557C94;
    box-shadow: 0 10px 30px rgba(85, 124, 148, 0.3);
}

.skill-item[data-skill="cpp"]:hover {
    border-color: #00599C;
    box-shadow: 0 10px 30px rgba(0, 89, 156, 0.3);
}

.skill-item[data-skill="c"]:hover {
    border-color: #A8B9CC;
    box-shadow: 0 10px 30px rgba(168, 185, 204, 0.3);
}

.skill-item[data-skill="php"]:hover {
    border-color: #777BB4;
    box-shadow: 0 10px 30px rgba(119, 123, 180, 0.3);
}

.skill-item[data-skill="html"]:hover {
    border-color: #E34F26;
    box-shadow: 0 10px 30px rgba(227, 79, 38, 0.3);
}

.skill-item[data-skill="css"]:hover {
    border-color: #1572B6;
    box-shadow: 0 10px 30px rgba(21, 114, 182, 0.3);
}

.skill-item[data-skill="swift"]:hover {
    border-color: #FA7343;
    box-shadow: 0 10px 30px rgba(250, 115, 67, 0.3);
}

.skill-item[data-skill="xcode"]:hover {
    border-color: #147EFB;
    box-shadow: 0 10px 30px rgba(20, 126, 251, 0.3);
}

.skill-item[data-skill="flutter"]:hover {
    border-color: #02569B;
    box-shadow: 0 10px 30px rgba(2, 86, 155, 0.3);
}

/* Sponsors Section */
.sponsors {
    background: var(--bg-dark);
}

.sponsors-description {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.sponsor-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.sponsor-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.sponsor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.15), transparent);
    transition: left 0.6s ease;
}

.sponsor-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.sponsor-card:hover::after {
    opacity: 1;
}

.sponsor-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-15px) scale(1.05) rotateY(5deg);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.3);
}

.sponsor-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.sponsor-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.sponsor-logo::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
}

.sponsor-card:hover .sponsor-logo::before {
    opacity: 0.3;
    transform: scale(1.2);
}

.sponsor-logo svg {
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease;
}

.sponsor-card:hover .sponsor-logo {
    transform: scale(1.2) rotate(360deg);
}

.sponsor-card:hover .sponsor-logo svg {
    filter: drop-shadow(0 0 10px var(--accent-color));
}

.sponsor-card:hover .sponsor-logo img {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px var(--accent-color));
}

.gdg-logo {
    background: linear-gradient(135deg, #4285F4, #34A853, #FBBC04, #EA4335);
    border-radius: 10px;
    padding: 20px;
}

.sponsor-name {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.sponsor-description {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-description {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateX(0);
}

.social-link.visible {
    opacity: 1;
    transform: translateX(0);
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transition: left 0.4s ease;
    z-index: 0;
}

.social-link::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.social-link:hover::before {
    left: 0;
}

.social-link:hover::after {
    width: 300px;
    height: 300px;
}

.social-link svg,
.social-link span {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.social-link svg {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-link:hover {
    border-color: var(--accent-color);
    transform: translateX(10px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.social-link:hover svg {
    transform: scale(1.3) rotate(10deg);
    filter: drop-shadow(0 0 10px var(--accent-color));
}

.social-link:hover span {
    color: var(--secondary-color);
    font-weight: 600;
}

.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-terminal {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: var(--bg-light);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-light);
}

.btn-close {
    background: #ff5f57 !important;
}

.btn-minimize {
    background: #ffbd2e !important;
}

.btn-maximize {
    background: #28ca42 !important;
}

.terminal-title {
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-left: auto;
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.terminal-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.05), transparent);
    animation: terminal-scan 3s infinite;
}

@keyframes terminal-scan {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.terminal-line {
    margin-bottom: 10px;
}

.prompt {
    color: var(--accent-color);
}

.command {
    color: var(--primary-color);
}

.output {
    color: var(--text-light);
    display: block;
    margin-left: 20px;
}

.output.success {
    color: var(--accent-color);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-text {
    color: var(--text-light);
}

.footer-code {
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.heart {
    color: var(--accent-color);
    animation: heartbeat 1.5s infinite;
    display: inline-block;
}

@keyframes heartbeat {
    0%, 100% { 
        transform: scale(1);
    }
    25% { 
        transform: scale(1.2);
    }
    50% { 
        transform: scale(1.1);
    }
    75% {
        transform: scale(1.2);
    }
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), #00ccff);
    z-index: 10001;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px var(--accent-color);
}

/* Text Reveal Animation */
.reveal-text {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Glow Effects */
.glow-effect {
    position: relative;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(20px);
}

.glow-effect:hover::after {
    opacity: 0.3;
}

/* 3D Card Effect */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sponsors-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .particle {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}
/* ------------------------------ */
/*     FULL MOBILE OPTIMIZATION  */
/* ------------------------------ */

@media (max-width: 768px) {

    /* NAVBAR */
    .nav-menu {
        display: none; /* mobilde gizle */
    }

    .navbar {
        padding: 0.7rem 0;
    }

    /* HERO */
    .hero-title {
        font-size: 2.4rem;
        line-height: 1.2;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
        padding: 20px 0;
    }

    /* BACKGROUND ANIMATIONS (PERFORMANCE) */
    .particle,
    .code-animation,
    .shape {
        display: none !important;
    }

    /* ABOUT */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .image-wrapper {
        max-width: 260px;
        margin: 0 auto 20px auto;
    }

    .about-text {
        padding: 0 10px;
    }

    /* SKILLS */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .skill-item {
        padding: 15px;
    }

    .skill-icon {
        width: 32px;
        height: 32px;
    }

    /* SPONSORS */
    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* CONTACT */
    .contact-content {
        grid-template-columns: 1fr;
    }

    .social-link {
        width: 100%;
    }

    .code-terminal {
        max-width: 95%;
        margin: 0 auto;
    }

    /* SPACING OPTIMIZATION */
    section {
        padding: 60px 0;
    }

}

/* EXTRA SMALL DEVICES */
@media (max-width: 480px) {

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

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

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

    .social-link {
        padding: 12px 14px;
    }

    .btn {
        padding: 10px 22px;
    }
}