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

/* Semantic element resets — preserve visual output while using proper HTML */
h1,
h2,
h3 {
    font: inherit;
    font-weight: inherit;
    color: inherit;
}

header,
main,
footer,
section,
article,
nav,
time {
    display: block;
}

:root {
    --black: #080a0c;
    --gold: #c8960a;
    --gold2: #f0b429;
    --amber: #e8820a;
    --dim: #2a3a48;
    --muted: #3e5565;
    --text: #6a8a9a;
    --light: #9ab0be;
    --white: #c8dce8;
    --green: #40c880;
    --heading-font: "Share Tech Mono", "Geist Mono", "Courier New", monospace;
    --mono-font: "Geist Mono", "Courier New", monospace;
}

html {
    /* scroll-behavior handled by JS for offset control */
}

body {
    background: radial-gradient(
        ellipse 120% 70% at 12% 0%,
        #0e151a 0%,
        var(--black) 58%
    );
    color: var(--text);
    font-family: var(--mono-font);
    font-size: 13px;
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    cursor: default;
}

/* ── single column ── */
.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 48px 120px;
}

/* ── top bar ── */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 96px;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.topbar-links {
    display: flex;
    gap: 24px;
    list-style: none;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.1s forwards;
}
.topbar-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 0.2em;
    transition: color 0.2s;
    position: relative;
}
.topbar-links a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.2s ease;
}
.topbar-links a:hover {
    color: var(--gold);
}
.topbar-links a:hover::after {
    width: 100%;
}

.topbar-links a:before {
    content: "// ";
}

.nav-github-icon {
    position: relative;
    top: 1.5px;
}

/* ── hero ── */
.hero {
    margin-bottom: 96px;
}

.hero-label {
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.05s forwards;
}
.hero-label::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--gold);
    flex-shrink: 0;
}

/* ── hero heading ── */
.hero-heading {
    margin-bottom: 48px;
}

.hero-heading-line {
    display: block;
    font-size: clamp(72px, 13vw, 128px);
    line-height: 0.88;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-family: var(--heading-font);
    font-weight: 900;
    color: var(--white);
    opacity: 0;
    animation: fadeUp 0.7s ease forwards;
}
.hero-heading-line:first-child {
    animation-delay: 0.2s;
}
.hero-heading-line:last-child {
    animation-delay: 0.32s;
}

.hero-heading-line .cursor {
    font-size: 0.5em;
}

.hero-heading-line.gold {
    color: var(--gold2);
    text-shadow:
        0 0 80px rgba(240, 180, 41, 0.22),
        0 0 160px rgba(240, 180, 41, 0.08);
}

.hero-bio {
    font-size: 13px;
    line-height: 2;
    color: var(--text);
    max-width: 560px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.3s forwards;
}

/* ── section ── */
.section {
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}
.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-label {
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-label::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--gold);
    flex-shrink: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease 0.2s;
}
.section.visible .section-label::before {
    transform: scaleX(1);
}

/* ── experience ── */
.exp-item {
    margin-bottom: 48px;
    padding-left: 20px;
    position: relative;
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.5s ease,
        transform 0.5s ease;
}
.exp-item:last-child {
    margin-bottom: 0;
}

/* draw the border in on scroll */
.exp-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 0;
    background: var(--dim);
    transition:
        height 0.5s ease 0.1s,
        background 0.2s;
}
.exp-item:hover::before {
    background: var(--gold);
}
.exp-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.exp-item.visible::before {
    height: 100%;
}

.exp-period {
    display: inline-flex;
    gap: 0.5em;
    align-items: center;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}

.exp-role {
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 4px;
}

.exp-co {
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.exp-desc {
    font-size: 12px;
    line-height: 2;
    color: var(--text);
}

/* ── skills ── */
.skills-block {
    opacity: 1;
    transform: none;
}

.skills-flow {
    line-height: 2.6;
}

.skill-tag {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text);
    transition: color 0.2s;
    white-space: nowrap;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
    margin-right: 5px;
}
.skill-tag:hover {
    color: var(--gold2);
}
.skill-tag::after {
    content: "/";
    color: var(--dim);
    margin-left: 6px;
}
.skill-tag:last-child::after {
    display: none;
}

/* ── cert ── */
.cert-item {
    padding-left: 20px;
    position: relative;
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.5s ease,
        transform 0.5s ease;
}
.cert-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 0;
    background: var(--dim);
    transition: height 0.5s ease 0.1s;
}
.cert-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.cert-item.visible::before {
    height: 100%;
}

.cert-name {
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 4px;
}

.cert-issuer {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-dot {
    width: 5px;
    height: 5px;
    background: var(--green);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 6px var(--green);
    animation: dotPulse 2.5s ease-in-out infinite;
}
@keyframes dotPulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.35;
    }
}

.cert-desc {
    font-size: 12px;
    line-height: 2;
    color: var(--text);
}

/* ── footer ── */
.footer {
    margin-top: 96px;
    padding-top: 32px;
    border-top: 1px solid var(--dim);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.2s forwards;
    animation-play-state: paused;
}
.footer.visible {
    animation-play-state: running;
}

/* ── animations ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.footer-id {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
}
.footer-id span {
    color: var(--gold);
}

.footer-note {
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dim);
}

/* ── selection & scrollbar ── */
::selection {
    background: var(--gold);
    color: var(--black);
}
::-webkit-scrollbar {
    width: 3px;
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--dim);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}

/* ── overlays ── */
.grain,
.scanlines,
.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
}
.grain {
    z-index: 9999;
    opacity: 0.042;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 180px 180px;
}
.scanlines {
    z-index: 9998;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.055) 3px,
        rgba(0, 0, 0, 0.055) 4px
    );
}
.vignette {
    z-index: 9997;
    background: radial-gradient(
        ellipse at center,
        transparent 38%,
        rgba(0, 0, 0, 0.52) 100%
    );
}

/* ── hero cursor ── */
.cursor {
    display: inline;
    color: var(--gold);
    animation: blink 1.1s step-end infinite;
}
@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* ── section trailing rule ── */
.section-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--dim), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease 0.35s;
}
.section.visible .section-label::after {
    transform: scaleX(1);
}

/* ── cert hover accent ── */
.cert-item:hover::before {
    background: var(--green);
}

/* ── footer sys line ── */
.footer-sys {
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--dim);
    width: 100%;
    margin-top: 8px;
}
.footer-sys span {
    color: var(--muted);
}

.footer-github {
    display: inline-block;
    gap: 0.75em;
    align-items: center;
    color: var(--muted);
    text-decoration: none;
}

.footer-github span {
    color: var(--muted);
}

.footer-github:hover,
.footer-github:hover span {
    color: var(--gold);
}

.footer-github-icon {
    position: relative;
    top: 1.5px;
}

/* ── responsive ── */
@media (max-width: 560px) {
    .page {
        padding: 48px 24px 80px;
    }
    .topbar {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 64px;
    }
    .hero {
        margin-bottom: 64px;
    }
    .hero-heading-line {
        font-size: 17vw;
    }
    .section {
        margin-bottom: 56px;
    }
}

/* ─────────────────────────────────────────
   404 page
   ───────────────────────────────────────── */

:root {
    --red: #e8503a;
}

/* Center content vertically on error screens */
body.is-404 {
    display: flex;
    align-items: center;
    cursor: default;
}

/* Override .page padding — no header chrome above */
body.is-404 .page {
    padding: 80px 48px;
}

/* ── error code ── */
.error-code {
    font-size: clamp(96px, 18vw, 160px);
    line-height: 0.85;
    letter-spacing: 0.02em;
    font-weight: 900;
    color: var(--dim);
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.6s ease 0.1s forwards;
    position: relative;
    display: inline-block;
}
.error-code::after {
    content: "ERR";
    position: absolute;
    top: -16px;
    left: 2px;
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--red);
    font-weight: 400;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.05s forwards;
}

/* ── error label ── */
.error-label {
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.25s forwards;
}
.error-label::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--gold);
    flex-shrink: 0;
}

/* ── error heading ── */
.error-heading {
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.35s forwards;
}

/* ── error body copy ── */
.error-desc {
    font-size: 12px;
    line-height: 2;
    color: var(--text);
    max-width: 480px;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.42s forwards;
}

/* ── terminal log readout ── */
.error-log {
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--dim);
    margin-bottom: 48px;
    border-left: 1px solid var(--dim);
    padding-left: 16px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.5s forwards;
}
.error-log p {
    margin-bottom: 4px;
}
.error-log .log-key {
    color: var(--muted);
}
.error-log .log-val {
    color: var(--gold);
}
.error-log .log-err {
    color: var(--red);
}

/* ── back link ── */
.error-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.58s forwards;
    position: relative;
}
.error-back::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.2s ease;
}
.error-back:hover {
    color: var(--gold);
}
.error-back:hover::before {
    width: 100%;
}
.error-back-arrow {
    color: var(--gold);
    transition: transform 0.2s;
}
.error-back:hover .error-back-arrow {
    transform: translateX(-3px);
}

/* ── 404 responsive ── */
@media (max-width: 560px) {
    body.is-404 .page {
        padding: 48px 24px;
    }
}