:root {
    --bg: #070b14;
    --bg-card: #101827;
    --border: rgba(148, 163, 184, 0.14);
    --text: #eef3fb;
    --muted: #95a3bb;
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.12);
    --gold: #fbbf24;
    --radius: 16px;
    --max: 1160px;
    --header: 72px;
    --shadow: 0 20px 48px rgba(0, 0, 0, 0.32);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "IBM Plex Sans", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

::selection {
    background: rgba(56, 189, 248, 0.28);
    color: #fff;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(880px 420px at 8% -8%, rgba(56, 189, 248, 0.18), transparent 55%),
        radial-gradient(720px 380px at 100% 4%, rgba(14, 165, 233, 0.1), transparent 52%);
    z-index: -1;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

h1,
h2,
h3,
h4,
.logo,
.role,
.metrics strong {
    font-family: Outfit, "IBM Plex Sans", sans-serif;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 12px;
    top: -40px;
    background: var(--accent);
    color: #041018;
    padding: 8px 12px;
    border-radius: 8px;
    z-index: 300;
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--header);
    width: 100%;
    padding: 0 max(5%, calc((100% - var(--max)) / 2));
    background: rgba(7, 11, 20, 0.72);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease, background 0.2s ease;
}

body.is-scrolled .site-header {
    background: rgba(7, 11, 20, 0.92);
    border-bottom-color: var(--border);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.logo img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.logo span {
    color: var(--accent);
}

.navlist {
    display: flex;
    gap: 0.15rem;
}

.navlist a {
    display: block;
    padding: 0.48rem 0.72rem;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 999px;
}

.navlist a:hover,
.navlist a.active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.68rem 1.1rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary {
    background: linear-gradient(180deg, #4cc5f8, #0284c7);
    color: #041018;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.22);
}

.btn-primary:hover {
    transform: translateY(-1px);
}

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

.btn-ghost:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.btn-text {
    padding: 0.68rem 0.35rem;
    color: var(--muted);
    background: none;
}

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

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    position: relative;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
    content: "";
    position: absolute;
    left: 11px;
    right: 11px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

.menu-toggle span {
    top: 20px;
}

.menu-toggle::before {
    top: 14px;
}

.menu-toggle::after {
    top: 26px;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
    transition: transform 0.18s ease, opacity 0.18s ease, top 0.18s ease;
}

body.nav-open .menu-toggle span {
    opacity: 0;
}

body.nav-open .menu-toggle::before {
    top: 20px;
    transform: rotate(45deg);
}

body.nav-open .menu-toggle::after {
    top: 20px;
    transform: rotate(-45deg);
}

.hero,
.section,
.site-footer {
    width: min(var(--max), calc(100% - 10%));
    margin: 0 auto;
}

.hero,
.section {
    scroll-margin-top: 88px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 3rem 3.4rem;
    align-items: start;
    padding: 2.4rem 0 3.4rem;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.role {
    margin-top: 0.55rem;
    font-size: clamp(1.12rem, 2.1vw, 1.45rem);
    font-weight: 600;
    color: var(--accent);
}

.lede {
    margin-top: 1.15rem;
    max-width: 60ch;
    color: var(--muted);
    font-size: 1.02rem;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    margin-top: 1.7rem;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 2.3rem;
}

.metrics li {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 0.9rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.metrics strong {
    display: block;
    font-size: 1.5rem;
    color: var(--text);
    letter-spacing: -0.03em;
}

.metrics span {
    display: block;
    margin-top: 0.22rem;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.35;
}

.hero-aside {
    display: grid;
    gap: 1.15rem;
    justify-items: center;
    padding-top: 1.6rem;
}

.photo-wrap {
    position: relative;
    width: min(100%, 348px);
}

.photo-wrap::before {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 68%);
    z-index: -1;
}

.photo-wrap img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    object-position: center 12%;
    border-radius: 50%;
    border: 3px solid rgba(56, 189, 248, 0.28);
    background: #070b14;
    box-shadow: var(--shadow);
}

.photo-badge {
    position: absolute;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    background: rgba(7, 11, 20, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.28);
    border-radius: 999px;
    padding: 0.42rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.stack-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.45rem;
}

.stack-row li,
.tags li {
    background: var(--accent-soft);
    color: #c8ecfb;
    border: 1px solid rgba(56, 189, 248, 0.16);
    border-radius: 999px;
    padding: 0.3rem 0.72rem;
    font-size: 0.76rem;
    font-weight: 500;
}

.section {
    padding: 4.6rem 0;
}

.about-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1rem;
    align-items: stretch;
}

.about-copy,
.about-points {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.45rem 1.5rem;
}

.about-copy p + p {
    margin-top: 0.85rem;
}

.about-copy p,
.about-points span {
    color: var(--muted);
}

.about-points {
    display: grid;
    gap: 1rem;
    align-content: center;
}

.about-points strong {
    display: block;
    margin-bottom: 0.2rem;
    font-family: Outfit, "IBM Plex Sans", sans-serif;
}

.about-points span {
    display: block;
    font-size: 0.92rem;
}

.section-head {
    max-width: 680px;
    margin-bottom: 2rem;
}

.section-head h2 {
    font-size: clamp(1.85rem, 3vw, 2.45rem);
    letter-spacing: -0.035em;
    margin-bottom: 0.45rem;
}

.section-head p:last-child {
    color: var(--muted);
}

.experience-card,
.project-card,
.cred-card,
.contact-panel,
.contact-form,
.skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.project-card,
.skill-group,
.cred-card,
.award-list li,
.metrics li {
    transition: border-color 0.18s ease, transform 0.18s ease;
}

.project-card:hover,
.skill-group:hover,
.metrics li:hover,
.award-list li:hover {
    border-color: rgba(56, 189, 248, 0.35);
    transform: translateY(-2px);
}

.experience-card {
    padding: 1.7rem 1.8rem 1.9rem;
    box-shadow: inset 3px 0 0 var(--accent);
}

.experience-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.4rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid var(--border);
}

.experience-meta h3 {
    font-size: 1.28rem;
}

.org,
.dates {
    color: var(--muted);
    font-size: 0.95rem;
}

.exp-groups {
    display: grid;
    gap: 1.35rem;
}

.exp-groups h4 {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.exp-groups ul {
    display: grid;
    gap: 0.5rem;
}

.exp-groups li {
    position: relative;
    padding-left: 1.05rem;
    color: var(--muted);
}

.exp-groups li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.68em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.3rem;
}

.filter-btn {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.48rem 0.95rem;
    font: inherit;
    font-size: 0.88rem;
    cursor: pointer;
}

.filter-btn.is-active,
.filter-btn:hover {
    color: #041018;
    background: var(--accent);
    border-color: var(--accent);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.project-card {
    padding: 1.4rem 1.45rem 1.5rem;
    display: grid;
    gap: 0.7rem;
    align-content: start;
}

.project-card.is-hidden {
    display: none;
}

.project-kicker {
    color: var(--accent);
    font-size: 0.74rem;
    font-weight: 650;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.project-card h3 {
    font-size: 1.16rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.project-card p,
.cred-card p,
.award-list p {
    color: var(--muted);
    font-size: 0.95rem;
}

.result {
    color: var(--text) !important;
}

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

.skill-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.skill-group {
    padding: 1.3rem 1.4rem;
}

.skill-group h3 {
    margin-bottom: 0.85rem;
    font-size: 1.05rem;
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
}

.subhead {
    margin-bottom: 0.9rem;
    font-size: 1.05rem;
}

.cred-card {
    padding: 1.15rem 1.2rem;
    margin-bottom: 0.8rem;
}

.cred-date {
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 650;
    margin-bottom: 0.3rem;
}

.award-list {
    display: grid;
    gap: 0.8rem;
}

.award-list li {
    display: grid;
    grid-template-columns: 118px 1fr;
    gap: 0.8rem;
    padding: 1rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.award-when {
    color: var(--gold);
    font-size: 0.76rem;
    font-weight: 650;
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 1.1rem;
}

.contact-panel,
.contact-form {
    padding: 1.5rem;
}

.contact-links {
    display: grid;
    gap: 0.95rem;
}

.contact-links span {
    display: block;
    color: var(--muted);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.15rem;
}

.contact-links a {
    color: var(--text);
    word-break: break-word;
}

.contact-links a:hover {
    color: var(--accent);
}

.contact-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.4rem;
}

.contact-form {
    display: grid;
    gap: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

label {
    display: grid;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--muted);
}

input,
textarea {
    width: 100%;
    background: #0b1220;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    padding: 0.85rem 0.95rem;
    font: inherit;
    outline: none;
}

input:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

textarea {
    resize: vertical;
    min-height: 140px;
}

.site-footer {
    padding: 1.7rem 0 2.5rem;
    color: var(--muted);
    font-size: 0.88rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 1100px) {
    .skill-groups {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    .hero,
    .project-grid,
    .split-grid,
    .contact-layout,
    .about-layout,
    .metrics {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 1.6rem;
        gap: 1.6rem;
    }

    .hero-aside {
        order: -1;
        padding-top: 0;
    }

    .photo-wrap {
        width: min(72vw, 280px);
    }

    .award-list li {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }
}

@media (max-width: 820px) {
    .site-header,
    .hero,
    .section,
    .site-footer {
        width: 100%;
        padding-left: 5%;
        padding-right: 5%;
    }

    .nav {
        position: fixed;
        inset: var(--header) 0 auto 0;
        z-index: 80;
        background: #070b14;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: 0.2s ease;
    }

    body.nav-open .nav {
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .navlist {
        flex-direction: column;
        padding: 0.85rem 5% 1.15rem;
    }

    .menu-toggle {
        display: block;
    }

    .header-actions .btn-primary {
        display: none;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .btn,
    .nav,
    .project-card,
    .skill-group,
    .metrics li,
    .award-list li {
        transition: none;
    }
}