:root {
    --bg: #151516;
    --surface: #19191a;
    --surface-elevated: #1f1f21;
    --border: #303035;
    --text: #dedede;
    --muted: #9b9ba2;
    --cyan: #00e5ff;
    --cyan-soft: rgba(0, 229, 255, 0.12);
    --amber: #ffb300;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    font-family: var(--font-sans);
    background-color: var(--bg);
    background-image: none;
    -webkit-font-smoothing: antialiased;
}

::selection {
    color: var(--text);
    background: rgba(0, 229, 255, 0.35);
}

a {
    text-decoration: none;
}

.site-header {
    border-bottom: 1px solid transparent;
    background: rgba(21, 21, 22, 0.72);
    backdrop-filter: blur(12px);
    transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
    border-color: var(--border);
    background: rgba(21, 21, 22, 0.84);
    backdrop-filter: blur(14px);
}

.brand-link,
.mobile-contact,
.mono-link {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-link {
    font-size: 0.9rem;
    text-transform: none;
}

.mono-link:hover,
.mobile-contact:hover,
.brand-link:hover {
    color: var(--cyan);
}

.text-primary-cyan {
    color: var(--cyan);
}

.text-muted-custom {
    color: var(--muted);
}

.hero-section {
    min-height: 92vh;
    padding: 5.75rem 0 2.5rem;
}

.glow {
    position: absolute;
    width: 18rem;
    height: 18rem;
    border-radius: 999px;
    filter: blur(76px);
    pointer-events: none;
}

.glow-cyan {
    top: -12rem;
    left: -12rem;
    background: rgba(0, 229, 255, 0.045);
}

.glow-amber {
    right: -8rem;
    bottom: 0;
    background: rgba(255, 179, 0, 0.025);
}

.status-chip {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.38rem 0.72rem;
    color: var(--muted);
    background: rgba(25, 25, 26, 0.9);
    font-family: var(--font-mono);
    font-size: 0.63rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.status-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: var(--cyan);
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.65);
    animation: pulse-dot 1.7s infinite;
}

@keyframes pulse-dot {
    70% {
        box-shadow: 0 0 0 0.55rem rgba(0, 229, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
    }
}

.eyebrow {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

.hero-title {
    max-width: 900px;
    margin: 1.55rem 0 0;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: clamp(2.95rem, 6.2vw, 4.55rem);
    font-weight: 700;
    line-height: 1.06;
}

.text-glow {
    text-shadow: 0 0 18px rgba(0, 229, 255, 0.58), 0 0 36px rgba(0, 229, 255, 0.22);
}

.hero-copy {
    max-width: 760px;
    margin-top: 2.1rem;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.45;
}

.hero-copy span {
    color: var(--text);
}

.btn {
    border-radius: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    padding: 0.7rem 1.25rem;
}

.btn-cyan {
    border-color: var(--cyan);
    color: #161617;
    background: var(--cyan);
}

.btn-cyan:hover,
.btn-cyan:focus {
    border-color: var(--cyan);
    color: #101011;
    background: #4deeff;
    box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.35), 0 0 24px -4px rgba(0, 229, 255, 0.55);
}

.btn-outline-cyan {
    border-color: var(--border);
    color: var(--text);
    background: transparent;
}

.btn-outline-cyan:hover,
.btn-outline-cyan:focus {
    border-color: var(--cyan);
    color: var(--cyan);
}

.stat-strip {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 0.45rem;
    background: transparent;
}

.stat-cell {
    min-height: 4.5rem;
    padding: 1rem 1.05rem;
    background: var(--bg);
    border-right: 1px solid var(--border);
}

.stat-cell:last-child {
    border-right: 0;
}

.stat-cell dt,
.stat-cell dd {
    font-family: var(--font-mono);
}

.stat-cell dt {
    color: var(--muted);
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.stat-cell dd {
    margin: 0.2rem 0 0;
    color: var(--text);
    font-size: 0.78rem;
}

.page-section {
    scroll-margin-top: 5rem;
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.section-title {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: clamp(1.55rem, 3vw, 2rem);
    font-weight: 650;
}

.section-number,
.project-index {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.filter-bar {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.filter-btn {
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    padding: 0.45rem 0.75rem;
    color: var(--muted);
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--cyan);
    color: var(--cyan);
    background: var(--cyan-soft);
}

.filter-count {
    color: rgba(164, 164, 170, 0.65);
}

.project-card,
.contact-form,
.availability-box,
.contact-row,
.skill-cell {
    border: 1px solid var(--border);
    border-radius: 0.45rem;
    background: rgba(25, 25, 26, 0.82);
}

.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.35rem;
    overflow: hidden;
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.project-card:hover {
    border-color: rgba(0, 229, 255, 0.62);
    background: var(--surface);
    transform: translateY(-2px);
}

.project-arrow {
    color: var(--muted);
    transition: color 160ms ease, transform 160ms ease;
}

.project-card:hover .project-arrow {
    color: var(--cyan);
    transform: translate(2px, -2px);
}

.icon-box {
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    flex: 0 0 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    color: var(--cyan);
    background: var(--bg);
}

.project-title {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.project-focus,
.skill-heading,
.form-label,
.form-note,
.site-footer {
    font-family: var(--font-mono);
}

.project-focus {
    color: var(--amber);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.project-description,
.contact-copy {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.68;
}

.project-description {
    margin: 1.25rem 0;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    padding: 0.25rem 0.5rem;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
}

.project-actions {
    margin-top: auto;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(71, 71, 75, 0.65);
}

.case-btn {
    border: 1px solid rgba(0, 229, 255, 0.45);
    border-radius: 0.38rem;
    padding: 0.45rem 0.75rem;
    color: var(--cyan);
    background: rgba(0, 229, 255, 0.07);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-btn:hover {
    background: rgba(0, 229, 255, 0.15);
}

.external-link {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.external-link:hover {
    color: var(--cyan);
}

.project-modal {
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--surface);
}

.project-modal .modal-header {
    border-bottom-color: var(--border);
}

.case-block {
    margin-bottom: 1.5rem;
}

.case-block p {
    margin-bottom: 0.4rem;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.case-block div {
    color: rgba(224, 224, 224, 0.9);
    font-size: 0.94rem;
    line-height: 1.7;
}

.modal-tags {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.skill-grid {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 0.45rem;
    background: var(--border);
}

.skill-cell {
    border-radius: 0;
    padding: 1.5rem;
    background: var(--bg);
}

.skill-heading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cyan);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.contact-list {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem;
    color: var(--text);
    transition: border-color 160ms ease;
}

.contact-row:hover {
    border-color: rgba(0, 229, 255, 0.62);
}

.contact-row small,
.availability-box p {
    display: block;
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.contact-row strong,
.availability-box strong {
    display: block;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.86rem;
    font-weight: 500;
}

.availability-box {
    padding: 1rem;
}

.availability-box p {
    color: var(--amber);
    margin-bottom: 0.45rem;
}

.contact-form {
    padding: 1.5rem;
}

.form-label {
    color: var(--muted);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.form-label span {
    color: var(--amber);
}

.form-control {
    border-color: var(--border);
    border-radius: 0.4rem;
    color: var(--text);
    background: var(--bg);
    font-family: var(--font-mono);
}

.form-control:focus {
    border-color: var(--cyan);
    color: var(--text);
    background: var(--bg);
    box-shadow: 0 0 0 0.18rem rgba(0, 229, 255, 0.12);
}

.form-control::placeholder {
    color: rgba(164, 164, 170, 0.65);
}

.form-note {
    color: var(--muted);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 0;
    height: 0;
    opacity: 0;
}

.site-footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
    background: rgba(34, 34, 36, 0.42);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-footer span {
    color: var(--cyan);
}

.site-footer strong {
    color: var(--amber);
    font-weight: 500;
}

@media (max-width: 575.98px) {
    .hero-section {
        padding-top: 6rem;
    }

    .section-header {
        align-items: flex-start !important;
    }

    .section-number {
        display: none;
    }
}