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

:root {
    --black: #0a0a0a;
    --off-black: #111111;
    --dark-gray: #1c1c1c;
    --mid-gray: #5a5a5a;
    --light-gray: #b0b0b0;
    --off-white: #f5f4f0;
    --white: #ffffff;
    --accent: #e8e4dc;
    --line: rgba(255,255,255,0.07);
}

html { scroll-behavior: smooth; }

body {
    background: var(--black);
    color: var(--off-white);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.nav-logo {
    font-family: 'DM Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--light-gray);
}

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

.nav-links a {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mid-gray);
    text-decoration: none;
    transition: color 0.25s;
}

.nav-links a:hover { color: var(--off-white); }

/* ── HERO ── */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 4rem 6rem;
    position: relative;
    border-bottom: 1px solid var(--line);
}

.hero-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeUp 0.7s 0.2s forwards;
}

h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(3.5rem, 10vw, 9rem);
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.35s forwards;
}

h1 em {
    font-style: italic;
    color: var(--light-gray);
}

.hero-sub {
    max-width: 540px;
    font-size: 1rem;
    color: var(--light-gray);
    line-height: 1.7;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeUp 0.7s 0.55s forwards;
}

.hero-meta {
    position: absolute;
    top: 50%;
    right: 4rem;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    opacity: 0;
    animation: fadeUp 0.7s 0.7s forwards;
}

.hero-meta a {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mid-gray);
    text-decoration: none;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    transition: color 0.25s;
}

.hero-meta a:hover { color: var(--off-white); }

/* ── SECTIONS ── */
section {
    padding: 6rem 4rem;
    border-bottom: 1px solid var(--line);
}

.section-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: 3.5rem;
}

/* ── SKILLS ── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.skill-group {
    background: var(--off-black);
    padding: 2rem;
    transition: background 0.25s;
}

.skill-group:hover { background: var(--dark-gray); }

.skill-group h3 {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: 1rem;
}

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

.tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    padding: 0.3rem 0.65rem;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--light-gray);
    white-space: nowrap;
}

/* ── EXPERIENCE ── */
.exp-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--line);
}

.exp-item:last-child { border-bottom: none; }

.exp-date {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    color: var(--mid-gray);
    padding-top: 0.2rem;
}

.exp-company {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 0.3rem;
}

.exp-title {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: 1.2rem;
}

.exp-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.exp-bullets li {
    font-size: 0.92rem;
    color: var(--light-gray);
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.6;
}

.exp-bullets li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--mid-gray);
}

/* ── PROJECTS ── */
.project-card {
    background: var(--off-black);
    border: 1px solid var(--line);
    padding: 2.5rem;
    transition: border-color 0.25s, background 0.25s;
}

.project-card:hover {
    border-color: rgba(255,255,255,0.15);
    background: var(--dark-gray);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-name {
    font-family: 'DM Serif Display', serif;
    font-size: 1.6rem;
    color: var(--white);
}

.project-status {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mid-gray);
    border: 1px solid var(--line);
    padding: 0.3rem 0.6rem;
}

.project-desc {
    font-size: 0.92rem;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-link {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mid-gray);
    text-decoration: none;
    transition: color 0.25s;
}

.project-link:hover { color: var(--off-white); }
.project-link::after { content: ' ↗'; }

/* ── EDUCATION & CERTS ── */
.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.edu-item {
    background: var(--off-black);
    padding: 2.5rem;
    transition: background 0.25s;
}

.edu-item:hover { background: var(--dark-gray); }

.edu-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mid-gray);
    margin-bottom: 0.75rem;
}

.edu-name {
    font-family: 'DM Serif Display', serif;
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 0.4rem;
}

.edu-detail {
    font-size: 0.85rem;
    color: var(--light-gray);
}

.certs-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cert-item {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    color: var(--light-gray);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--line);
}

.cert-item:last-child { border-bottom: none; }

/* ── CONTACT ── */
#contact {
    border-bottom: none;
}

.contact-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.contact-heading {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    line-height: 1;
    color: var(--white);
}

.contact-heading em {
    font-style: italic;
    color: var(--light-gray);
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.8rem;
}

.contact-links a {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.25s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-note {
    margin-top: 4rem;
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dark-gray);
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.hidden {
    opacity: 0;
    transform: translateY(18px);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    nav { padding: 1.2rem 1.5rem; }
    .nav-links { gap: 1.5rem; }
    #hero { padding: 0 1.5rem 4rem; }
    .hero-meta { display: none; }
    section { padding: 4rem 1.5rem; }
    .exp-item { grid-template-columns: 1fr; gap: 0.75rem; }
    .edu-grid { grid-template-columns: 1fr; }
    .contact-inner { flex-direction: column; gap: 2rem; align-items: flex-start; }
    .contact-links { align-items: flex-start; }
}