:root {
    --bg-color: #f0f2f5;
    --text-color: #2a2a2a;
    --primary-color: #4a90e2;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(255, 255, 255, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #f0f2f5;
    --primary-color: #64b5f6;
    --secondary-color: #b0bec5;
    --accent-color: #ff7675;
    --card-bg: rgba(30, 30, 30, 0.95);
    --card-border: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}


body {
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: rotate(180deg);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-image {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.profile-frame {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    position: relative;
    background: var(--card-bg);
    padding: 20px;
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    filter: contrast(1.1) saturate(1.2);
}

.hero-content {
    flex: 1.2;
    text-align: left;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.hero-content .greeting {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 600px;
}

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

.hero-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.secondary-btn {
    background: var(--card-bg);
    color: var(--text-color);
    box-shadow: var(--shadow-light);
}

.hero-btn:hover {
    transform: translateY(-3px);
}

.hero-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-inset);
}

@media (max-width: 968px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .hero-image {
        max-width: 300px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content .greeting {
        font-size: 1.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }
}

.skills-section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.skill-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.projects-section {
    padding: 60px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.project-description {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.project-tag {
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 20px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

:root {
    --primary-bg: #e6e7ee;
    --card-bg: #f0f0f3;
    --text-color: #2d4263;
    --shadow-light: 10px 10px 20px #d1d9e6, -10px -10px 20px #ffffff;
    --shadow-inset: inset 5px 5px 10px #d1d9e6, inset -5px -5px 10px #ffffff;
    --accent: #4a90e2;
}

[data-theme="dark"] {
    --primary-bg: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-color: #e6e7ee;
    --shadow-light: 10px 10px 20px #0d0d0d, -10px -10px 20px #272727;
    --shadow-inset: inset 5px 5px 10px #0d0d0d, inset -5px -5px 10px #272727;
    --accent: #64b5f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-bg);
    color: var(--text-color);
    min-height: 100vh;
    padding: 2rem;
    overflow-x: hidden;
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding: 1rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.theme-toggle {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 10px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    box-shadow: var(--shadow-light);
}

.theme-toggle:active {
    box-shadow: var(--shadow-inset);
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: var(--shadow-light);
}

.tab-btn.active {
    box-shadow: var(--shadow-inset);
    color: var(--accent);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease;
    text-decoration: none;

}

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

.project-image {
    width: 100%;
    height: 200px;
    border-radius: 10px;
    margin-bottom: 1rem;
    object-fit: cover;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.project-description {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    opacity: 0.8;
}

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

.tag {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    background: var(--primary-bg);
    font-size: 0.8rem;
    box-shadow: var(--shadow-light);
    color: red;
}

.hidden {
    display: none;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .tabs {
        flex-direction: column;
        gap: 1rem;
    }

    .project-card {
        margin-bottom: 1.5rem;
    }
}

/* Animation Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    animation: float 8s infinite;
}

.circle:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.circle:nth-child(3) {
    width: 80px;
    height: 80px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(20px, 20px) rotate(180deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

.scroll-indicator {
    text-align: center;
    
    margin: 20px 0;
    animation: fadeIn 1s ease-in-out;
}

.scroll-indicator span {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff0000; /* Adjust to fit your theme */
}

.arrow-container {
    display: inline-block;
    animation: bounce 1.5s infinite;
}

.arrow {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 10px solid #ff0000; /* Adjust to fit your theme */
    margin: 0 auto;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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