:root {
    --bg-color: #030712;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent-primary: #6366f1;
    /* Indigo */
    --accent-secondary: #ec4899;
    /* Pink */
    --surface-color: rgba(17, 24, 39, 0.7);
    --surface-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-color: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --accent-primary: #4f46e5;
    --accent-secondary: #db2777;
    --surface-color: rgba(255, 255, 255, 0.8);
    --surface-border: rgba(0, 0, 0, 0.1);
}

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

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

/* Background Effects */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.globe-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -10%;
    left: -10%;
    animation: float 10s infinite alternate;
}

.globe-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -5%;
    right: -5%;
    animation: float 12s infinite alternate-reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 30px);
    }
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(3, 7, 18, 0.5);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--surface-border);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-contact {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white !important;
}

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

.nav-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

#theme-toggle,
#mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

#mobile-menu-btn {
    display: none;
}

#theme-toggle:hover,
#mobile-menu-btn:hover {
    color: var(--accent-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.23);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--surface-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Sections General */
.section {
    padding: 5rem 5%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

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

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

.card {
    background: var(--surface-color);
    border: 1px solid var(--surface-border);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.highlight {
    color: var(--accent-primary);
    font-weight: 500;
    margin-top: 0.5rem;
}

.details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

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

.skill-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
}

.skill-card:hover {
    background: var(--surface-color);
    border-color: var(--accent-secondary);
}

.icon-large {
    font-size: 3rem;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
}

.skill-card ul {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
}

.skill-card li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.skill-card li::before {
    content: "•";
    color: var(--accent-primary);
    position: absolute;
    left: 0;
}

/* Timeline (Experience) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

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

.timeline-item {
    margin-left: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    /* center on line */
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

.location {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-style: italic;
}

/* Footer */
.footer-section {
    background: linear-gradient(to top, rgba(3, 7, 18, 1), rgba(3, 7, 18, 0));
    padding-bottom: 2rem;
}

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

.last-updated {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.social-links {
    margin: 2rem 0;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #0077b5;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.social-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    #mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(3, 7, 18, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--surface-border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        z-index: -1;
        transition: var(--transition);
    }

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

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