:root {
    --bg-primary: #070812;
    --bg-secondary: #101320;
    --bg-tertiary: #171b2c;
    --surface: rgba(255, 255, 255, 0.045);
    --surface-strong: rgba(255, 255, 255, 0.075);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #f6f7fb;
    --text-secondary: #c8cfdd;
    --text-tertiary: #8f98ad;
    --accent: #38d6c4;
    --accent-2: #ffb86b;
    --accent-3: #8ea7ff;
    --border: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.18);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-main);
    color: var(--text-primary);
    background:
        radial-gradient(circle at 18% 8%, rgba(56, 214, 196, 0.16), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(255, 184, 107, 0.12), transparent 28%),
        linear-gradient(135deg, #070812 0%, #0c1020 48%, #11131e 100%);
    line-height: 1.65;
}

a {
    color: inherit;
}

.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 320px;
    height: 100vh;
    padding: var(--spacing-xl);
    overflow-y: auto;
    z-index: 100;
    border-right: 1px solid var(--border);
    background: rgba(11, 14, 27, 0.88);
    backdrop-filter: blur(18px);
}

.sidebar-content {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.content {
    margin-left: 320px;
    width: calc(100% - 320px);
    height: 100vh;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar,
.content::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-thumb,
.content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 999px;
}

.profile {
    text-align: left;
}

.profile-image {
    position: relative;
    width: 104px;
    height: 104px;
    display: grid;
    place-items: center;
    margin-bottom: var(--spacing-lg);
    border-radius: 24px;
    color: #08110f;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.12)),
        linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 18px 45px rgba(56, 214, 196, 0.22);
    transform: rotate(-2deg);
    overflow: hidden;
}

.profile-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.profile-image span {
    position: relative;
    z-index: 0;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0;
}

.name {
    margin-bottom: var(--spacing-sm);
    font-size: 1.7rem;
    line-height: 1.15;
    letter-spacing: 0;
}

.title {
    max-width: 240px;
    color: var(--accent);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-menu ul {
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-height: 46px;
    padding: 0 var(--spacing-md);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.nav-link::before {
    content: '';
    width: 22px;
    height: 1px;
    background: currentColor;
    opacity: 0.55;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--surface);
    border-color: var(--border);
}

.nav-link.active::before {
    width: 42px;
    background: var(--accent);
    opacity: 1;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: var(--surface);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent);
    border-color: rgba(56, 214, 196, 0.48);
    background: rgba(56, 214, 196, 0.08);
    transform: translateY(-2px);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.sidebar-footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.82rem;
}

.section {
    max-width: 1040px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    animation: fadeInUp 0.55s ease both;
}

.hero-section {
    max-width: none;
    min-height: 72vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem clamp(1rem, 3vw, 3rem);
}

.hero-showcase {
    display: grid;
    grid-template-columns: minmax(420px, 0.95fr) minmax(360px, 0.8fr);
    align-items: center;
    gap: var(--spacing-xl);
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
}

.hero-intro {
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(1.5rem, 3vw, 2.6rem);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(56, 214, 196, 0.16), transparent 45%),
        linear-gradient(315deg, rgba(142, 167, 255, 0.1), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
    box-shadow: var(--shadow);
}

.hero-photo-card {
    position: relative;
    min-height: 520px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(56, 214, 196, 0.26), rgba(255, 184, 107, 0.16)),
        var(--surface);
    box-shadow: var(--shadow);
}

.hero-photo-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 52%, rgba(7, 8, 18, 0.48));
    pointer-events: none;
}

.hero-photo-card img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
}

.hero-photo-card span {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: rgba(7, 8, 18, 0.62);
    font-size: 5rem;
    font-weight: 800;
}

.eyebrow,
.project-kicker {
    margin-bottom: 0.85rem;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.hero-title {
    max-width: 760px;
    font-size: clamp(2.15rem, 4.4vw, 4.4rem);
    line-height: 1.04;
    letter-spacing: 0;
}

.hero-title span {
    display: inline;
    color: var(--text-secondary);
    font-size: 0.68em;
    font-weight: 600;
}

.hero-subtitle {
    max-width: 620px;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: 1.5rem;
}

.primary-link,
.secondary-link,
.project-link,
.submit-btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.primary-link {
    color: #07100f;
    background: var(--accent);
    border: 1px solid var(--accent);
}

.primary-link:hover {
    background: #6fe8dc;
    transform: translateY(-2px);
}

.secondary-link,
.project-link {
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    background: var(--surface);
}

.secondary-link:hover,
.project-link:hover {
    border-color: rgba(255, 184, 107, 0.58);
    color: var(--accent-2);
    transform: translateY(-2px);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.intro-grid > div,
.timeline-card,
.focus-item,
.project-card,
.skill-category,
.achievement-card,
.leadership-panel,
.contact-panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.03));
    box-shadow: var(--shadow);
}

.intro-grid > div {
    min-height: 132px;
    padding: var(--spacing-lg);
}

.stat-number {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-2);
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.about-copy {
    max-width: 820px;
    margin-top: var(--spacing-2xl);
}

.section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.section a:not(.primary-link):not(.secondary-link):not(.project-link) {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    font-size: 2.1rem;
    line-height: 1.15;
    letter-spacing: 0;
}

.section-title::after {
    content: '';
    width: 72px;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.timeline-card,
.project-card,
.skill-category,
.achievement-card,
.leadership-panel,
.contact-panel {
    padding: var(--spacing-md);
}

.timeline-top,
.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: 0.65rem;
}

.timeline-top h3,
.project-title,
.focus-item h3,
.achievement-card h3 {
    font-size: 1.2rem;
    line-height: 1.25;
}

.timeline-top span {
    color: var(--accent-2);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
}

.focus-list,
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.focus-item {
    padding: var(--spacing-lg);
}

.project-card {
    margin-bottom: var(--spacing-lg);
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: var(--spacing-lg);
    transition: var(--transition);
}

.project-card:hover,
.skill-category:hover,
.achievement-card:hover {
    border-color: rgba(56, 214, 196, 0.42);
    background: var(--surface-hover);
    transform: translateY(-3px);
}

.project-card.featured {
    border-color: rgba(56, 214, 196, 0.34);
}

.project-media {
    position: relative;
    min-height: 280px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(56, 214, 196, 0.2), rgba(142, 167, 255, 0.12)),
        rgba(255, 255, 255, 0.04);
}

.project-media img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.project-media span {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: var(--spacing-md);
    color: rgba(255, 255, 255, 0.64);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
}

.project-media-section {
    display: flex;
    flex-direction: column;
}

.project-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-description {
    margin-top: 0.8rem;
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.project-features {
    display: block;
    margin: 1rem 0;
    padding-left: 1.1rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
}

.project-features li {
    margin-bottom: 0.5rem;
}

.project-features li::marker {
    color: var(--accent);
}

.project-links,
.project-tech,
.skill-list,
.leadership-points {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.project-link {
    min-height: 38px;
    padding: 0.55rem 0.8rem;
    font-size: 0.85rem;
}

.project-tech {
    margin-top: 1.2rem !important;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border);
}

.tech-tag,
.skill-item,
.leadership-points span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0.35rem 0.62rem;
    border-radius: 8px;
    border: 1px solid rgba(56, 214, 196, 0.22);
    color: var(--accent);
    background: rgba(56, 214, 196, 0.07);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    margin: 0.25rem 0.25rem 0.25rem 0;
}

.projects-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card-compact {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.03));
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card-compact:hover {
    border-color: rgba(56, 214, 196, 0.42);
    background: var(--surface-hover);
    transform: translateY(-3px);
}

.project-media-compact {
    position: relative;
    min-height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(56, 214, 196, 0.2), rgba(142, 167, 255, 0.12));
}

.project-media-compact img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-card-info {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.project-card-title {
    font-size: 1.1rem;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.project-card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    flex: 1;
}

.project-card-category {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.project-card-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: auto;
}

.project-card-btn:hover {
    border-color: rgba(56, 214, 196, 0.62);
    color: var(--accent);
    transform: translateY(-2px);
}

.project-card-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

.projects-hidden {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.projects-hidden.visible {
    max-height: 2000px;
    opacity: 1;
}

.show-more-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.show-more-btn {
    min-height: 44px;
    padding: 0.75rem 2rem;
    border: 1px solid var(--border-strong);
    border-radius: 99px;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.show-more-btn:hover {
    border-color: rgba(56, 214, 196, 0.62);
    color: var(--accent);
    transform: translateY(-2px);
}

.show-more-btn.hidden {
    display: none;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.skill-category-title {
    margin-bottom: var(--spacing-md);
    color: var(--accent-2);
    font-size: 0.95rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.achievement-index {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: 700;
}

.leadership-panel {
    max-width: 880px;
}

.leadership-points {
    margin-top: var(--spacing-lg);
}

.contact-panel {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-lead {
    font-size: 1.15rem;
}

.contact-note {
    margin-top: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.055);
    font: inherit;
    transition: var(--transition);
}

.contact-form textarea {
    min-height: 132px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(56, 214, 196, 0.62);
    box-shadow: 0 0 0 4px rgba(56, 214, 196, 0.1);
}

.submit-btn {
    width: 100%;
    border: 1px solid var(--accent);
    color: #07100f;
    background: var(--accent);
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 0.95rem;
}

.submit-btn:hover {
    background: #6fe8dc;
    transform: translateY(-2px);
}

.content-footer {
    max-width: 1040px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    color: var(--text-tertiary);
    border-top: 1px solid var(--border);
    font-size: 0.88rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }

    .content {
        width: calc(100% - 280px);
        margin-left: 280px;
    }

    .section {
        padding: 2.5rem 1.5rem;
    }

    .hero-showcase {
        grid-template-columns: 1fr;
        max-width: 720px;
    }

    .hero-intro {
        min-height: auto;
        border-left-width: 3px;
    }

    .hero-photo-card {
        min-height: 520px;
    }

    .intro-grid,
    .focus-list,
    .achievement-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        grid-template-columns: 1fr;
    }

    .project-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        display: block;
        height: auto;
        overflow: visible;
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        padding: var(--spacing-lg);
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .sidebar-content {
        gap: var(--spacing-lg);
    }

    .profile {
        text-align: center;
    }

    .profile-image {
        margin: 0 auto var(--spacing-md);
    }

    .title {
        margin: 0 auto;
    }

    .nav-menu ul {
        display: flex;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }

    .nav-link {
        white-space: nowrap;
    }

    .nav-link::before {
        display: none;
    }

    .social-links {
        justify-content: center;
    }

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

    .content {
        width: 100%;
        height: auto;
        margin-left: 0;
        overflow: visible;
    }

    .hero-section {
        min-height: auto;
    }

    .hero-intro {
        min-height: auto;
        padding: 1.4rem;
    }

    .hero-photo-card {
        min-height: 440px;
    }

    .hero-title {
        font-size: 2.7rem;
    }

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

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

@media (max-width: 480px) {
    .sidebar,
    .section,
    .content-footer {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-photo-card {
        min-height: 380px;
    }

    .section-title {
        font-size: 1.55rem;
    }

    .timeline-top,
    .project-header {
        flex-direction: column;
    }

    .hero-actions,
    .primary-link,
    .secondary-link {
        width: 100%;
    }
}

@media print {
    .sidebar {
        display: none;
    }

    .content {
        width: 100%;
        height: auto;
        margin-left: 0;
    }
}