:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-panel: #1a1a1a;
    --border-color: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --accent-red: #c0392b;
    --accent-orange: #d35400;
    --accent-glow: rgba(211, 84, 0, 0.3);
}

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

body {
    font-family: "JetBrains Mono", "Fira Code", "SF Mono", monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
}

/* Header */
header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

header h1 .accent {
    color: var(--accent-orange);
}

header .intro {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 600px;
}

header .contact {
    margin-top: 0.5rem;
}

header .contact a {
    color: var(--accent-orange);
    text-decoration: none;
    font-size: 0.9rem;
}

header .contact a:hover {
    border-bottom: 1px solid var(--accent-orange);
}

/* Language Toggle */
.lang-toggle {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.lang-toggle button {
    background: var(--bg-panel);
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    letter-spacing: 0.05em;
}

.lang-toggle button:first-child {
    border-right: 1px solid var(--border-color);
}

.lang-toggle button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.lang-toggle button.active {
    background: var(--accent-orange);
    color: var(--bg-primary);
}

/* Projects */
.projects {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.project-box {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    width: 100%;
}

.project-box:hover {
    border-color: var(--accent-orange);
    box-shadow: 0 0 20px var(--accent-glow);
}

.project-box.coming-soon {
    opacity: 0.6;
}

.project-box.project-dim {
    opacity: 0.5;
}

.project-note {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.5rem;
    vertical-align: middle;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    cursor: pointer;
    user-select: none;
}

.project-info {
    flex: 1;
}

.project-info .name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.project-info .desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.4rem;
}

.stack-tag {
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.project-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-links a {
    font-size: 0.75rem;
    color: var(--accent-orange);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

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

.project-toggle {
    font-size: 1.2rem;
    color: var(--accent-orange);
    width: 1.5rem;
    text-align: center;
    font-weight: 300;
}

.project-content {
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.3s ease,
        padding 0.3s ease;
    padding: 0 1.5rem;
    border-top: 0 solid var(--border-color);
}

.project-content.expanded {
    max-height: 1000px;
    padding: 1rem 1.5rem;
    border-top-width: 1px;
}

/* Markdown content styling */
.project-content .md-h1 {
    display: none; /* Hide main title, we already show it */
}

.project-content .md-h2 {
    font-size: 0.9rem;
    color: var(--accent-orange);
    margin: 1rem 0 0.5rem 0;
    font-weight: 400;
}

.project-content .md-bold {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.project-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.project-content .md-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
}

.project-content .md-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 1rem;
    margin-bottom: 0.3rem;
    position: relative;
}

.project-content .md-list li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: var(--accent-orange);
}

/* Section */
section {
    margin-bottom: 3rem;
}

section h2 {
    font-size: 1rem;
    font-weight: 400;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Infrastructure */
.infra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.infra-item {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.infra-item:hover {
    border-color: var(--accent-orange);
    box-shadow: 0 0 20px var(--accent-glow);
}

.infra-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-orange);
    margin-bottom: 0.75rem;
}

/* CIC */
.cic-heading {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cic-bright {
    color: var(--accent-orange);
    font-weight: 600;
}

.cic-glyph {
    color: #555;
}

.cic-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    width: fit-content;
}

.cic-tab {
    background: var(--bg-panel);
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 1rem;
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.cic-tab:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.cic-tab:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.cic-tab.active {
    background: var(--accent-orange);
    color: var(--bg-primary);
}

.cic-panels {
    display: grid;
}

.cic-panel {
    grid-area: 1 / 1;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.cic-panel.active {
    opacity: 1;
    pointer-events: auto;
}

.cic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.cic-item {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.cic-item:hover {
    border-color: var(--accent-orange);
    box-shadow: 0 0 20px var(--accent-glow);
}

.cic-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cic-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cic-pair {
    display: flex;
    gap: 1rem;
}

.cic-pair .cic-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.25rem;
}

.cic-pair .cic-name {
    margin-bottom: 0;
}

.cic-worlds {
    border-color: #d3540044;
}

.cic-worlds .cic-name {
    color: #d35400;
    animation: worlds-pulse 3s ease-in-out infinite;
}

.cic-worlds:hover {
    border-color: #d35400;
    box-shadow: 0 0 25px #d3540033;
}

.worlds-cube {
    flex-shrink: 0;
}

@keyframes worlds-pulse {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

.infra-icon svg {
    width: 100%;
    height: 100%;
}

.infra-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.infra-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}

.skill-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-name {
    flex: 0 0 140px;
    font-size: 0.9rem;
}

.skill-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-orange));
    transition: width 0.5s ease;
}

.skill-years {
    flex: 0 0 40px;
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Experience */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.experience-item {
    padding: 1.25rem;
    background: var(--bg-panel);
    border-left: 2px solid var(--accent-red);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.75rem;
}

.experience-period {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.experience-company {
    font-weight: 600;
    font-size: 1.1rem;
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.experience-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
}

.experience-bullets li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.experience-bullets li:last-child {
    margin-bottom: 0;
}

.experience-bullets li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: 600;
}

/* Education */
.education {
    padding: 1rem;
    background: var(--bg-panel);
    border-left: 2px solid var(--accent-orange);
}

.education .degree {
    font-weight: 600;
}

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

/* Footer */
footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

footer .mcrn {
    color: var(--accent-orange);
    font-weight: 600;
}

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

    .lang-toggle {
        top: 1rem;
        right: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .project-right {
        width: 100%;
        justify-content: space-between;
    }

    .experience-header {
        flex-direction: column;
        gap: 0.25rem;
    }

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