:root {
    /* Light Theme Variables */
    --bg-color: #ffffff;
    --bg-alt: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent-color: #000000;
    --accent-hover: #333333;
    --border-color: #e5e5e5;
    --card-bg: #ffffff;
    --badge-bg: #f1f3f5;
    --badge-text: #495057;
    --menu-blur: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] {
    /* Dark Theme Variables */
    --bg-color: #121212;
    --bg-alt: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #ffffff;
    --accent-hover: #cccccc;
    --border-color: #333333;
    --card-bg: #1e1e1e;
    --badge-bg: #2d2d2d;
    --badge-text: #e0e0e0;
    --menu-blur: rgba(18, 18, 18, 0.7);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 0 100px; /* Added left padding so content doesn't hide behind the menu */
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--menu-blur);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--text-secondary);
    font-weight: 300;
}

.controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switcher {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: transparent;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.theme-toggle:hover {
    background-color: var(--bg-alt);
}

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }

/* Circular Menu (Left Side Half Circle) */
.circular-menu {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    z-index: 999;
}

.menu-toggle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--menu-blur);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s, color 0.3s;
}

.menu-toggle:hover {
    transform: scale(1.05);
    background-color: var(--text-primary);
    color: var(--bg-color);
}

.menu-toggle .close-icon {
    display: none;
}

.circular-menu.active .menu-toggle {
    transform: rotate(90deg);
    background-color: var(--text-primary);
    color: var(--bg-color);
}

.circular-menu.active .menu-toggle .hamburger {
    display: none;
}

.circular-menu.active .menu-toggle .close-icon {
    display: block;
}

.menu-items {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    list-style: none;
    z-index: 1;
    pointer-events: none;
}

.circular-menu.active .menu-items {
    pointer-events: auto;
}

.menu-item {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--menu-blur);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.2s, color 0.2s;
    border: 1px solid var(--border-color);
    opacity: 0;
}

.menu-item:hover {
    background-color: var(--text-primary);
    color: var(--bg-color);
    transform: translate(-50%, -50%) scale(1.1) !important;
}

/* Open State Animations */
.circular-menu.active .menu-item {
    opacity: 1;
}

/* Positioning in a half-circle facing Right (Angles: -90, -54, -18, 18, 54, 90, Radius = 140px) */
.circular-menu.active li:nth-child(1) .menu-item { transform: translate(0px, -140px); transition-delay: 0.05s; }
.circular-menu.active li:nth-child(2) .menu-item { transform: translate(82px, -113px); transition-delay: 0.1s; }
.circular-menu.active li:nth-child(3) .menu-item { transform: translate(133px, -43px); transition-delay: 0.15s; }
.circular-menu.active li:nth-child(4) .menu-item { transform: translate(133px, 43px); transition-delay: 0.2s; }
.circular-menu.active li:nth-child(5) .menu-item { transform: translate(82px, 113px); transition-delay: 0.25s; }
.circular-menu.active li:nth-child(6) .menu-item { transform: translate(0px, 140px); transition-delay: 0.3s; }

/* Sections */
.section {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Hero */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 1rem;
}

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

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

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 24px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    flex: 1;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-card h3 {
    margin: 0 0 8px 0;
}

/* Portfolio & Interests */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.card-img-wrapper {
    height: 220px; /* Slightly taller for snippets */
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top; /* Important for website snippets */
    transition: transform 0.5s ease;
}

.card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.card-content {
    padding: 24px;
    text-align: center;
}

.portfolio-link {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: underline;
    margin-top: 8px;
    display: inline-block;
}

/* Gallery / Interests Images */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.gallery-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
}

.interests-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
}

/* Dashboard / Skills */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.dashboard-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 12px;
}

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

.dashboard-card h3 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.activity-list {
    list-style: none;
}

.activity-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.activity-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 0.9rem;
    background-color: var(--badge-bg);
    color: var(--text-primary);
    font-weight: 500;
}

/* Contact */
.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 24px; /* Remove left padding for mobile */
    }

    .hero h1 { font-size: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    
    .circular-menu {
        top: auto;
        bottom: 24px;
        left: 24px;
        transform: translateY(0);
    }
    
    /* On mobile, change back to arc upwards from bottom-left corner */
    .circular-menu.active li:nth-child(1) .menu-item { transform: translate(15px, -110px); }
    .circular-menu.active li:nth-child(2) .menu-item { transform: translate(75px, -95px); }
    .circular-menu.active li:nth-child(3) .menu-item { transform: translate(110px, -60px); }
    .circular-menu.active li:nth-child(4) .menu-item { transform: translate(125px, 0px); }
    .circular-menu.active li:nth-child(5) .menu-item { transform: translate(95px, 55px); }
    .circular-menu.active li:nth-child(6) .menu-item { transform: translate(45px, 90px); }
}