:root {
    --black: #000000;
    --white: #FFFFFF;
    --cream: #FFFDF0;
    --yellow: #DFE104;
    --blue: #0369A1;
    --red: #E63946;
    --green: #2D6A4F;
    --border: 3px solid #000;
    --shadow: 5px 5px 0 #000;
    --shadow-lg: 8px 8px 0 #000;
    --shadow-sm: 3px 3px 0 #000;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--cream);
    color: var(--black);
    font-family: 'Space Grotesk', system-ui, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

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

/* ── NAV ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--black);
    border-bottom: var(--border);
    padding: 0 2rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--yellow);
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 0;
    list-style: none;
    align-items: center;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--yellow);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.3rem 0.7rem;
    border: 2px solid var(--yellow);
    margin-left: 0.75rem;
    transition: background 100ms, color 100ms;
}

.lang-switch:hover {
    background: var(--yellow);
    color: var(--black);
}

.nav-links a {
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.4rem 0.9rem;
    border: 2px solid transparent;
    transition: background 100ms, color 100ms, border-color 100ms;
}

.nav-links a:hover {
    background: var(--yellow);
    color: var(--black);
    border-color: var(--yellow);
}

/* ── HERO ── */
.hero {
    min-height: 100vh;
    padding: 5rem 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    border-bottom: var(--border);
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

.hero-available {
    display: inline-block;
    background: var(--yellow);
    color: var(--black);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.35rem 0.9rem;
    border: var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(3rem, 9vw, 6.5rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.hero h1 .name-line2 {
    display: block;
    color: var(--white);
    background: var(--black);
    padding: 0 0.25em;
    width: fit-content;
}

.hero-role {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: var(--border);
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.hero-summary {
    font-size: 1rem;
    font-weight: 400;
    max-width: 600px;
    margin-bottom: 2rem;
    line-height: 1.7;
    border-left: 5px solid var(--yellow);
    padding-left: 1rem;
}

.hero-contacts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: var(--border);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 100ms, box-shadow 100ms, background 100ms;
}

.contact-btn:hover {
    background: var(--yellow);
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 #000;
}

.contact-btn.primary {
    background: var(--black);
    color: var(--white);
}

.contact-btn.primary:hover {
    background: var(--yellow);
    color: var(--black);
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-chip {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.7rem;
    border: 2px solid var(--black);
}

.chip-java  { background: #F89820; }
.chip-spring { background: #6DB33F; color: var(--white); }
.chip-react  { background: #61DAFB; }
.chip-angular { background: var(--red); color: var(--white); }
.chip-other  { background: var(--white); }

/* ── SECTION BASE ── */
section {
    border-bottom: var(--border);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 3rem;
}

.section-num {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--yellow);
    -webkit-text-stroke: 2px var(--black);
    text-stroke: 2px var(--black);
    letter-spacing: -0.05em;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

/* ── SKILLS ── */
#skills { background: var(--black); color: var(--white); }

#skills .section-title { color: var(--white); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.skill-card {
    border: 3px solid var(--white);
    padding: 1.25rem;
    box-shadow: 5px 5px 0 var(--yellow);
    background: var(--black);
    transition: transform 100ms, box-shadow 100ms;
}

.skill-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 var(--yellow);
}

.skill-card-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--yellow);
    margin-bottom: 0.9rem;
    border-bottom: 2px solid var(--yellow);
    padding-bottom: 0.5rem;
}

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

.skill-tag {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border: 2px solid #444;
    color: #ccc;
    background: #111;
}

/* ── EXPERIENCE ── */
#experience { background: var(--cream); }

.timeline { display: flex; flex-direction: column; gap: 2rem; }

.job-card {
    border: var(--border);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    overflow: hidden;
    transition: transform 100ms, box-shadow 100ms;
}

.job-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 #000;
}

.job-card-header {
    background: var(--black);
    color: var(--white);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.job-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.job-period {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--yellow);
    color: var(--black);
    padding: 0.2rem 0.7rem;
    border: 2px solid var(--yellow);
}

.job-company {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--yellow);
}

.job-card-body { padding: 1.5rem; }

.job-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.job-bullets li {
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
    color: #222;
    line-height: 1.6;
}

.job-bullets li::before {
    content: '▸';
    position: absolute;
    left: 0;
    font-size: 0.75rem;
    color: var(--black);
    top: 0.2em;
}

.job-stack-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding-top: 1rem;
    border-top: 2px solid var(--black);
}

.stack-chip {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.55rem;
    border: 2px solid var(--black);
    background: var(--cream);
}

/* ── EDUCATION ── */
#education { background: var(--yellow); }

.edu-card {
    border: var(--border);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.edu-degree {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin-bottom: 0.35rem;
}

.edu-school {
    font-size: 0.9rem;
    font-weight: 500;
    color: #444;
}

.edu-years {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    border: var(--border);
    padding: 0.5rem 1rem;
    background: var(--yellow);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.langs-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.lang-card {
    border: var(--border);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform 100ms, box-shadow 100ms;
}

.lang-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 #000;
}

.lang-flag { font-size: 1.5rem; }

.lang-info {}

.lang-name {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.lang-level {
    font-size: 0.75rem;
    font-weight: 500;
    color: #555;
}

/* ── FOOTER ── */
footer {
    background: var(--black);
    color: var(--white);
    padding: 2rem;
    text-align: center;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

footer span { color: var(--yellow); }

/* ── MARQUEE STRIP ── */
.marquee-strip {
    background: var(--yellow);
    border-top: var(--border);
    border-bottom: var(--border);
    padding: 0.6rem 0;
    overflow: hidden;
    white-space: nowrap;
}

.marquee-inner {
    display: inline-block;
    animation: marquee 18s linear infinite;
}

.marquee-inner span {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 0 2rem;
    color: var(--black);
}

.marquee-inner span::before {
    content: '★ ';
}

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-inner { animation: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    nav { padding: 0 1rem; }
    .nav-links { display: none; }
    .container { padding: 3rem 1rem; }
    .hero { padding: 5rem 1rem 3rem; }
    .section-num { font-size: 3.5rem; }
    .section-title { font-size: 1.5rem; }
    .job-card-header { flex-direction: column; align-items: flex-start; }
    .edu-card { flex-direction: column; }
    .edu-years { font-size: 1.25rem; }
}

/* focus states */
a:focus-visible, button:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 2px;
}