:root {
  --ink: #06140f;
  --deep: #071d16;
  --panel: #0b291f;
  --line: rgba(211, 255, 233, .18);
  --mist: #d7e7df;
  --paper: #f1f4ed;
  --lime: #b8ff3d;
  --aqua: #4be8bf;
  --orange: #ff6b35;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; opacity: .32; background-image: linear-gradient(rgba(184,255,61,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(184,255,61,.035) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 80%); }
a { color: inherit; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--lime); color: var(--ink); padding: .8rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 50; min-height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(1.25rem, 4vw, 4.5rem); border-bottom: 1px solid var(--line); background: rgba(6,20,15,.82); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--lime); color: var(--lime); font-family: var(--mono); font-size: .8rem; }
nav { display: flex; gap: 2rem; }
nav a { color: var(--mist); font-size: .84rem; text-decoration: none; }
nav a:hover { color: var(--lime); }
.nav-linkedin { color: var(--lime); }
.menu-button { display: none; border: 1px solid var(--line); color: var(--paper); background: transparent; padding: .55rem .8rem; }

.hero { min-height: calc(100vh - 76px); max-width: 1500px; margin: 0 auto; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 7rem); padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 5vw, 5.5rem) 3.5rem; align-items: center; }
.eyebrow, .index, .project-top, .panel-kicker { font-family: var(--mono); letter-spacing: .08em; font-size: .74rem; text-transform: uppercase; }
.eyebrow { color: var(--aqua); display: flex; align-items: center; gap: .55rem; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(184,255,61,.10), 0 0 18px var(--lime); animation: pulse 2.4s ease-in-out infinite; }
h1 { font-size: clamp(3.4rem, 6.6vw, 7.4rem); max-width: 900px; margin: 1.2rem 0 1.5rem; line-height: .94; letter-spacing: -.065em; }
h1 em { color: var(--lime); font-style: normal; }
.hero-intro { max-width: 680px; color: var(--mist); font-size: clamp(1.05rem, 1.35vw, 1.3rem); line-height: 1.7; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin: 2.3rem 0 3.2rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 1rem; min-height: 50px; padding: 0 1.25rem; border: 1px solid var(--line); text-decoration: none; font-weight: 700; font-size: .9rem; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-3px); }
.button.primary { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.button.secondary:hover { border-color: var(--lime); color: var(--lime); }
.signal-strip { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 650px; margin: 0; border-top: 1px solid var(--line); }
.signal-strip div { padding: 1.1rem 1rem 0 0; border-right: 1px solid var(--line); }
.signal-strip div:not(:first-child) { padding-left: 1rem; }
.signal-strip dt { color: #88a398; font-family: var(--mono); font-size: .68rem; text-transform: uppercase; }
.signal-strip dd { margin: .35rem 0 0; font-weight: 700; }
.hero-visual { position: relative; }
.portrait-frame { position: relative; max-width: 520px; margin-left: auto; border: 1px solid rgba(184,255,61,.5); padding: .65rem; background: #11271f; box-shadow: 22px 22px 0 rgba(75,232,191,.08); }
.portrait-frame::before { content: ""; position: absolute; inset: -13px auto auto -13px; width: 70px; height: 70px; border-top: 2px solid var(--lime); border-left: 2px solid var(--lime); }
.portrait-frame img { width: 100%; display: block; filter: saturate(.78) contrast(1.05); }
.portrait-label { position: absolute; left: 1.5rem; right: 1.5rem; bottom: 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .75rem 1rem; background: rgba(6,20,15,.88); backdrop-filter: blur(10px); border: 1px solid var(--line); }
.portrait-label span { color: #9bb2a7; font-family: var(--mono); font-size: .65rem; text-transform: uppercase; }
.portrait-label strong { font-size: .75rem; }
.system-map { max-width: 620px; margin: 1.3rem 0 0 auto; display: flex; align-items: center; padding: 1rem; border: 1px solid var(--line); background: rgba(7,29,22,.9); }
.map-node { min-width: 100px; display: grid; gap: .18rem; }
.node-icon { color: var(--lime); font-size: 1.4rem; }
.map-node small { color: #7f9c90; font: .55rem var(--mono); }
.map-node strong { font-size: .72rem; }
.energy-line { position: relative; flex: 1; height: 1px; margin: 0 .6rem; background: #45675a; overflow: visible; }
.energy-line span { position: absolute; top: -2px; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: flow 2.2s linear infinite; }

.ticker { overflow: hidden; border-block: 1px solid rgba(184,255,61,.32); background: var(--lime); color: var(--ink); }
.ticker-track { display: flex; width: max-content; align-items: center; gap: 1.6rem; padding: .8rem 0; font: 500 .72rem var(--mono); letter-spacing: .1em; animation: ticker 28s linear infinite; }
.ticker-track i { font-style: normal; font-size: .45rem; }
.section { max-width: 1500px; margin: 0 auto; padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 5vw, 5.5rem); }
.section-heading { display: grid; grid-template-columns: .45fr 1.55fr; gap: 2rem; margin-bottom: clamp(2.5rem, 5vw, 5rem); }
.index { color: var(--aqua); margin: .55rem 0 0; }
h2 { margin: 0; max-width: 900px; font-size: clamp(2.4rem, 5vw, 5.4rem); line-height: 1.02; letter-spacing: -.055em; }

.fieldwork { background: var(--paper); color: var(--ink); max-width: none; }
.fieldwork > * { max-width: 1360px; margin-inline: auto; }
.experience-card { display: grid; grid-template-columns: .45fr 1.55fr; gap: 2rem; border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.experience-meta { font-family: var(--mono); color: #4f625a; font-size: .78rem; }
.experience-meta .period { color: var(--ink); font-weight: 500; }
.duration { display: inline-block; margin-top: 1rem; padding: .35rem .55rem; color: var(--ink); border: 1px solid #8ca096; }
.company { font-family: var(--mono); font-size: .8rem; color: #52655c; }
.experience-body h3 { margin: .4rem 0 1rem; font-size: clamp(2rem, 3vw, 3.4rem); letter-spacing: -.04em; }
.experience-body > p:not(.company):not(.field-note) { font-size: 1.1rem; line-height: 1.7; max-width: 900px; }
.scope-grid { list-style: none; padding: 0; margin: 2rem 0; display: grid; grid-template-columns: repeat(2, 1fr); }
.scope-grid li { display: flex; gap: 1rem; align-items: center; padding: 1rem 0; border-top: 1px solid #acbbb4; font-weight: 700; }
.scope-grid span { font: .66rem var(--mono); color: #6d8278; }
.field-note { margin: 0; border-left: 3px solid #528f74; background: #e3e9e1; padding: 1rem 1.2rem; line-height: 1.6; }

.projects { padding-bottom: 5rem; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.project-card { position: relative; min-height: 430px; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.8rem); background: var(--deep); overflow: hidden; }
.project-card.feature { grid-column: 1 / -1; min-height: 490px; }
.project-top { display: flex; justify-content: space-between; color: var(--aqua); }
.project-card h3 { max-width: 900px; margin: auto 0 1rem; font-size: clamp(1.75rem, 3.4vw, 4rem); line-height: 1.04; letter-spacing: -.045em; }
.project-card:not(.feature) h3 { font-size: clamp(1.65rem, 2.3vw, 2.8rem); }
.project-card p { max-width: 840px; color: #b7c9c0; line-height: 1.7; }
.tag-row, .mini-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.tag-row span, .mini-tags span { border: 1px solid var(--line); padding: .35rem .55rem; color: #cfe0d7; font: .67rem var(--mono); }
.text-link { margin-top: 2rem; font-weight: 700; color: var(--lime); text-decoration: none; }
.packet-flow { position: absolute; right: 7%; top: 17%; width: 28%; height: 2px; background: #2d5e4c; }
.packet-flow span { position: absolute; width: 8px; height: 8px; top: -3px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 13px var(--lime); animation: packet 4s linear infinite; }
.packet-flow span:nth-child(2) { animation-delay: -.8s; }.packet-flow span:nth-child(3) { animation-delay: -1.6s; }.packet-flow span:nth-child(4) { animation-delay: -2.4s; }.packet-flow span:nth-child(5) { animation-delay: -3.2s; }

.capabilities { max-width: none; background: #dcece4; color: var(--ink); }
.capabilities > * { max-width: 1360px; margin-inline: auto; }
.capability-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 7rem); }
.capability-list { border-top: 1px solid #94a99e; }
.capability { width: 100%; display: flex; align-items: center; gap: 1.1rem; text-align: left; border: 0; border-bottom: 1px solid #94a99e; background: transparent; color: #52635b; padding: 1.25rem .4rem; cursor: pointer; transition: color .2s, padding .2s; }
.capability span { font: .65rem var(--mono); }
.capability:hover, .capability.active { color: var(--ink); padding-left: 1rem; }
.capability.active { background: var(--lime); }
.capability-panels { position: relative; min-height: 340px; }
.capability-panel { display: none; }
.capability-panel.active { display: block; animation: panelIn .45s ease both; }
.capability-panel h3 { margin: 1rem 0; font-size: clamp(2rem, 3.5vw, 4rem); line-height: 1.05; letter-spacing: -.05em; }
.capability-panel > p:not(.panel-kicker) { color: #46574f; line-height: 1.8; font-size: 1.05rem; }
.panel-kicker { color: #39725e; }
.mini-tags span { border-color: #8aa096; color: var(--ink); }

.education { display: grid; grid-template-columns: 1.3fr .7fr; gap: 1px; background: var(--line); padding-block: 1px; }
.education-card, .site-exposure { background: var(--deep); padding: clamp(2rem, 5vw, 4.5rem); }
.education-card h2 { margin-top: 2rem; font-size: clamp(2.3rem, 4vw, 4.6rem); }
.education-details { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; margin-top: 2.5rem; color: #afc3b9; }
.education-details strong { color: var(--paper); }
.site-exposure { display: flex; flex-direction: column; justify-content: space-between; }
.site-exposure p:last-child { color: #b5c9bf; line-height: 1.8; }

.contact { max-width: 1500px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 6vw; padding: clamp(6rem, 11vw, 11rem) clamp(1.25rem, 5vw, 5.5rem); }
.contact h2 { margin-top: 1.5rem; font-size: clamp(2.7rem, 5vw, 5.8rem); }
.contact-links { border-top: 1px solid var(--line); align-self: end; }
.contact-links a { display: grid; grid-template-columns: .55fr 1fr auto; gap: 1rem; padding: 1.3rem .3rem; border-bottom: 1px solid var(--line); text-decoration: none; transition: color .2s, padding .2s; }
.contact-links a:hover { color: var(--lime); padding-left: 1rem; }
.contact-links span { color: #7f9b8e; font: .7rem var(--mono); text-transform: uppercase; }
.contact-links strong { font-size: .92rem; }
.contact-links i { font-style: normal; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding: 1.5rem clamp(1.25rem, 5vw, 5.5rem); border-top: 1px solid var(--line); color: #8da499; font: .68rem var(--mono); }
footer .status-dot { margin-right: .5rem; }
footer a { text-decoration: none; color: var(--lime); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.75,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes pulse { 50% { opacity: .45; box-shadow: 0 0 0 8px rgba(184,255,61,.04), 0 0 8px var(--lime); } }
@keyframes flow { from { left: 0; } to { left: calc(100% - 5px); } }
@keyframes packet { from { left: 0; opacity: 0; } 10%,90% { opacity: 1; } to { left: 100%; opacity: 0; } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .menu-button { display: block; }
  nav { position: absolute; top: 76px; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: .5rem 1.25rem 1.2rem; background: var(--deep); border-bottom: 1px solid var(--line); }
  nav.open { display: flex; }
  nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-top: 1rem; }
  .portrait-frame { margin-inline: auto; }
  .section-heading, .experience-card, .capability-layout, .education, .contact { grid-template-columns: 1fr; }
  .project-card.feature { grid-column: auto; }
  .packet-flow { display: none; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hero { padding-top: 3rem; }
  .portrait-label { position: static; margin-top: .65rem; }
  .system-map { padding: .8rem; }
  .map-node { min-width: 74px; }
  .map-node strong { font-size: .63rem; }
  .scope-grid, .project-grid, .education-details { grid-template-columns: 1fr; }
  .project-card { min-height: 390px; }
  .contact-links a { grid-template-columns: 1fr auto; }
  .contact-links span { grid-column: 1 / -1; }
  footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}