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

:root {
    --bg:        #080b0f;
    --bg2:       #0d1117;
    --bg3:       #131920;
    --line:      #1e2a35;
    --text:      #e8edf2;
    --muted:     #64778a;
    --dim:       #3d5166;
    --green:     #3dffa0;
    --green-dim: rgba(61,255,160,.08);
    --green-glow:rgba(61,255,160,.18);
    --serif:     'DM Serif Display', Georgia, serif;
    --sans:      'DM Sans', system-ui, sans-serif;
    --mono:      'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--dim); border-radius: 2px; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 3rem;
    background: rgba(8,11,15,.85);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transition: background .3s;
}

.nav-inner {
    width: 100%; max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--mono);
    font-size: .85rem;
    letter-spacing: .18em;
    color: var(--green);
    text-decoration: none;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: .8rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color .25s;
}
.nav-links a:hover { color: var(--text); }

/* ── HERO ── */
.hero {
    min-height: 100vh;
    padding-top: 60px; /* fixes overlap — exact nav height */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* subtle grid bg */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: .35;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

/* green radial glow */
.hero::after {
    content: '';
    position: absolute;
    bottom: -10%; left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 400px;
    background: radial-gradient(ellipse, rgba(61,255,160,.07) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
    padding: 0 2rem;
    text-align: center;
}

.hero-eyebrow {
    font-family: var(--mono);
    font-size: .78rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1.6rem;
    opacity: 0;
    animation: rise .9s .1s ease forwards;
}

.hero h1 {
    font-family: var(--serif);
    font-size: clamp(3.2rem, 8vw, 6.5rem);
    font-weight: 400;
    line-height: 1.07;
    letter-spacing: -.02em;
    color: var(--text);
    margin-bottom: 1.4rem;
    opacity: 0;
    animation: rise .9s .25s ease forwards;
}

.hero h1 em {
    font-style: italic;
    color: var(--green);
}

.hero-sub {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 520px;
    margin: 0 auto 2.8rem;
    font-weight: 300;
    opacity: 0;
    animation: rise .9s .4s ease forwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: rise .9s .55s ease forwards;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.8rem;
    border-radius: 4px;
    font-size: .88rem;
    font-weight: 500;
    letter-spacing: .06em;
    text-decoration: none;
    transition: all .25s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--green);
    color: #000;
}
.btn-primary:hover {
    background: #5fffb2;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--green-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--line);
}
.btn-ghost:hover {
    color: var(--text);
    border-color: var(--dim);
    transform: translateY(-2px);
}

/* ── SECTION WRAPPER ── */
.section-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

/* scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── SECTION HEADER ── */
.sec-header {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
}

.sec-num {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--green);
    letter-spacing: .1em;
}

.sec-title {
    font-family: var(--serif);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--text);
    letter-spacing: -.02em;
}

.sec-line {
    flex: 1;
    height: 1px;
    background: var(--line);
    margin-left: .5rem;
}

/* ── ABOUT ── */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about-body p {
    color: var(--muted);
    font-weight: 300;
    font-size: 1.02rem;
    margin-bottom: 1.2rem;
}

.about-body p strong {
    color: var(--text);
    font-weight: 500;
}

.stats-col {
    display: flex;
    flex-direction: column;
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.stat-row {
    padding: 1.6rem 2rem;
    background: var(--bg2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--line);
    transition: background .25s;
}
.stat-row:last-child { border-bottom: none; }
.stat-row:hover { background: var(--bg3); }

.stat-value {
    font-family: var(--serif);
    font-size: 2.2rem;
    color: var(--green);
    font-weight: 400;
}

.stat-label {
    font-size: .83rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .1em;
    text-align: right;
}

/* ── SKILLS ── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--bg2);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 2rem;
    transition: border-color .25s, background .25s;
}
.skill-card:hover {
    border-color: var(--dim);
    background: var(--bg3);
}

.skill-card-title {
    font-family: var(--mono);
    font-size: .75rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1.3rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

.tag {
    font-size: .8rem;
    padding: .35rem .9rem;
    border-radius: 3px;
    background: var(--bg3);
    color: var(--muted);
    border: 1px solid var(--line);
    transition: all .2s;
    font-family: var(--mono);
}
.tag:hover {
    color: var(--text);
    border-color: var(--dim);
}

/* ── EXPERIENCE ── */
.exp-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.exp-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2.5rem;
    padding: 2.2rem 2rem;
    background: var(--bg2);
    border: 1px solid var(--line);
    border-radius: 8px;
    margin-bottom: 1rem;
    transition: border-color .25s, background .25s;
    position: relative;
}
.exp-card::before {
    content: '';
    position: absolute;
    left: 0; top: 20%; bottom: 20%;
    width: 2px;
    background: var(--green);
    border-radius: 1px;
    opacity: 0;
    transition: opacity .25s;
}
.exp-card:hover { border-color: var(--dim); background: var(--bg3); }
.exp-card:hover::before { opacity: 1; }

.exp-date {
    font-family: var(--mono);
    font-size: .78rem;
    color: var(--dim);
    letter-spacing: .05em;
    padding-top: .25rem;
}

.exp-role {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: .3rem;
}

.exp-org {
    font-size: .85rem;
    color: var(--green);
    margin-bottom: .8rem;
    font-family: var(--mono);
    letter-spacing: .04em;
}

.exp-desc {
    font-size: .92rem;
    color: var(--muted);
    font-weight: 300;
}

/* ── PROJECTS ── */
.proj-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.proj-card {
    background: var(--bg2);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: border-color .25s, transform .25s, background .25s;
    position: relative;
    overflow: hidden;
}

.proj-card::after {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 120px; height: 120px;
    background: radial-gradient(circle, var(--green-dim) 0%, transparent 70%);
    opacity: 0;
    transition: opacity .4s;
}
.proj-card:hover { border-color: var(--dim); transform: translateY(-4px); background: var(--bg3); }
.proj-card:hover::after { opacity: 1; }

.proj-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.proj-icon {
    font-size: 1.4rem;
    opacity: .5;
    color: var(--dim);
    display: flex;
    align-items: center;
}

.proj-badge {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--green);
    border: 1px solid rgba(61,255,160,.3);
    padding: .2rem .6rem;
    border-radius: 2px;
}

.proj-name {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text);
}

.proj-desc {
    font-size: .88rem;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.65;
    flex: 1;
}

/* ── EXP BULLETS ── */
.exp-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    margin-top: .2rem;
}

.exp-bullets li {
    font-size: .92rem;
    color: var(--muted);
    font-weight: 300;
    padding-left: 1.1rem;
    position: relative;
    line-height: 1.6;
}

.exp-bullets li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--dim);
    font-family: var(--mono);
    font-size: .75rem;
    top: .15rem;
}

.exp-bullets li strong {
    color: var(--text);
    font-weight: 500;
}

/* ── PROJ TAGS ── */
.proj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .25rem;
}

/* ── CONTACT ── */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-intro {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 400;
    color: var(--text);
    line-height: 1.35;
    margin-bottom: 1.2rem;
}

.contact-body {
    color: var(--muted);
    font-weight: 300;
    font-size: .96rem;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.3rem 1.6rem;
    background: var(--bg2);
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    color: var(--text);
    transition: background .2s;
}
.contact-row:last-child { border-bottom: none; }
.contact-row:hover { background: var(--bg3); }

.contact-row-icon {
    width: 36px; height: 36px;
    display: grid;
    place-items: center;
    background: var(--bg3);
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 1rem;
    flex-shrink: 0;
    color: var(--dim);
    transition: color .2s, border-color .2s;
}
.contact-row:hover .contact-row-icon {
    color: var(--green);
    border-color: rgba(61,255,160,.25);
}

.contact-row-label {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--dim);
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: .1rem;
}

.contact-row-value {
    font-size: .88rem;
    color: var(--muted);
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--line);
    padding: 2rem;
    text-align: center;
}

footer p {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--dim);
    letter-spacing: .08em;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
    nav { padding: 0 1.5rem; }
    .nav-links { display: none; }
    .about-grid, .contact-wrap { grid-template-columns: 1fr; gap: 3rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .exp-card { grid-template-columns: 1fr; gap: 0.5rem; }
    .section-wrap { padding: 4rem 1.5rem; }
}
/* ── EXPERIENCE BULLETS ── */
.exp-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    margin-top: .3rem;
}

.exp-bullets li {
    font-size: .9rem;
    color: var(--muted);
    font-weight: 300;
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.6;
}

.exp-bullets li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--dim);
    font-family: var(--mono);
    font-size: .78rem;
    top: .05rem;
}

.exp-bullets li strong {
    color: var(--text);
    font-weight: 500;
}

/* ── PROJECT ICON SVG ── */
.proj-icon {
    color: var(--dim);
    display: flex;
    align-items: center;
}

/* ── PROJECT TAGS ── */
.proj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .25rem;
}