:root {
  --ink: #07110f;
  --ink-soft: #0a1512;
  --panel: #0e1e1a;
  --lime: #bdff3c;
  --lime-bright: #d1ff74;
  --cyan: #5de5d5;
  --white: #f2f7f3;
  --muted: #93a59d;
  --line: rgba(189, 255, 60, .16);
  --line-soft: rgba(224, 239, 232, .1);
  --sans: "Manrope", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --container: 1200px;
  --header: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header); }
body { margin: 0; overflow-x: hidden; background: var(--ink); color: var(--white); font: 16px/1.65 var(--sans); }
body.menu-open { overflow: hidden; }
::selection { background: var(--lime); color: var(--ink); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { position: relative; padding: 136px 0; }
.accent { color: var(--lime); }
.muted-heading { color: #708078; }
.status-dot { display: inline-block; width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px rgba(189, 255, 60, .8); }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 16px; background: var(--lime); color: var(--ink); font: 600 .75rem var(--mono); transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header); border-bottom: 1px solid transparent; transition: background .25s, border-color .25s; }
.site-header.scrolled, .site-header.open { border-color: var(--line-soft); background: rgba(7, 17, 15, .91); backdrop-filter: blur(16px); }
.header-inner { width: min(calc(100% - 48px), 1360px); height: 100%; margin-inline: auto; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font: 600 .92rem var(--mono); }
.brand-mark { color: var(--lime); }
.brand-muted { color: var(--muted); }
.desktop-nav { margin-left: auto; display: flex; gap: 34px; }
.desktop-nav a { position: relative; color: #b5c2bc; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; transition: color .2s; }
.desktop-nav a::after { content: ""; position: absolute; right: 0; bottom: -9px; left: 0; height: 1px; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--white); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { transform: scaleX(1); }
.header-status { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--line); color: #9fb0a7; font: 500 .65rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.menu-toggle, .mobile-nav { display: none; }

.hero { min-height: 100svh; position: relative; isolation: isolate; display: flex; align-items: center; overflow: hidden; padding: calc(var(--header) + 76px) 0 84px; }
.grid-background { position: absolute; inset: 0; z-index: -2; opacity: .42; background-image: linear-gradient(rgba(108,170,151,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(108,170,151,.08) 1px,transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero-glow { position: absolute; z-index: -1; width: 650px; aspect-ratio: 1; right: 2%; top: 10%; border-radius: 50%; background: rgba(67,205,147,.08); filter: blur(90px); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(390px, .85fr); align-items: center; gap: clamp(60px, 8vw, 120px); }
.eyebrow, .section-index, .mono-label { color: var(--lime); font: 500 .7rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { width: fit-content; margin-bottom: 24px; padding: 7px 11px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: rgba(189,255,60,.025); }
h1 { margin-bottom: 28px; font-size: clamp(3.55rem, 6.7vw, 6.8rem); font-weight: 700; line-height: .91; letter-spacing: -.065em; }
.hero-lead { max-width: 660px; margin-bottom: 34px; color: #a8bab1; font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 52px; padding: 13px 19px; display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; border: 1px solid var(--line-soft); font: 600 .76rem var(--mono); transition: transform .2s, border-color .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--lime); background: var(--lime); color: var(--ink); }
.button-primary:hover { background: var(--lime-bright); }
.button-ghost:hover { border-color: #6d8177; background: rgba(255,255,255,.03); }
.button-large { min-width: 300px; min-height: 60px; }
.hero-stats { display: flex; margin: 62px 0 0; }
.hero-stats div { min-width: 142px; padding: 0 25px; border-left: 1px solid var(--line-soft); }
.hero-stats div:first-child { padding-left: 0; border: 0; }
.hero-stats dt { font-size: 1.48rem; font-weight: 700; letter-spacing: -.04em; }
.hero-stats dd { margin: 2px 0 0; color: var(--muted); font: .61rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }

.profile-terminal, .contact-terminal { position: relative; border: 1px solid rgba(189,255,60,.23); background: rgba(7,19,16,.85); box-shadow: 0 30px 90px rgba(0,0,0,.38), inset 0 0 60px rgba(31,73,59,.16); font-family: var(--mono); }
.profile-terminal { transform: perspective(1200px) rotateY(-3deg); }
.profile-terminal::before, .profile-terminal::after { content: ""; position: absolute; width: 42px; height: 42px; pointer-events: none; }
.profile-terminal::before { top: -7px; left: -7px; border-top: 1px solid var(--lime); border-left: 1px solid var(--lime); }
.profile-terminal::after { right: -7px; bottom: -7px; border-right: 1px solid var(--lime); border-bottom: 1px solid var(--lime); }
.terminal-bar { height: 45px; padding: 0 15px; display: flex; align-items: center; gap: 7px; border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,.02); }
.terminal-bar > span { width: 7px; height: 7px; border-radius: 50%; background: #385048; }
.terminal-bar > span:first-child { background: var(--lime); }
.terminal-bar p { position: absolute; left: 50%; margin: 0; color: #64776e; font-size: .66rem; transform: translateX(-50%); }
.terminal-body { min-height: 405px; padding: 36px 38px; color: #d4e1db; font-size: clamp(.74rem, 1.1vw, .88rem); line-height: 1.8; }
.terminal-body > p { margin-bottom: 12px; }
.prompt, .contact-commands > p > span { margin-right: 8px; color: var(--lime); }
.terminal-output { margin-left: 23px; color: #8da197; }
.code-object { margin-block: -2px 25px; padding-left: 17px; border-left: 1px solid var(--line-soft); }
.code-object p { margin: 0; }
.code-object i { color: var(--cyan); font-style: normal; }
.code-object b { color: #a8bab1; font-weight: 400; }
.code-object em { color: var(--lime); font-style: normal; }
.terminal-cursor > span:last-child, .contact-commands .terminal-cursor i { width: 8px; height: 16px; display: inline-block; vertical-align: -3px; background: var(--lime); animation: blink 1.1s steps(1) infinite; }
.terminal-label { position: absolute; right: 15px; bottom: -28px; margin: 0; color: #41564d; font: 500 .55rem var(--mono); letter-spacing: .18em; writing-mode: vertical-rl; }
.scroll-cue { position: absolute; bottom: 24px; left: 50%; display: flex; align-items: center; gap: 14px; color: #4f6259; font: 500 .56rem var(--mono); letter-spacing: .13em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue i { width: 62px; height: 1px; display: block; position: relative; background: #34453e; }
.scroll-cue i::after { content: ""; position: absolute; left: 0; width: 20px; height: 1px; background: var(--lime); animation: scan 2.6s ease-in-out infinite; }

.section-heading { max-width: 880px; margin-bottom: 72px; }
.section-index { margin-bottom: 20px; }
.section-heading h2, .connect h2 { margin-bottom: 0; font-size: clamp(2.7rem, 5.25vw, 5.2rem); font-weight: 650; line-height: 1.02; letter-spacing: -.055em; }
.split-heading { max-width: none; display: grid; grid-template-columns: minmax(0,1.5fr) minmax(280px,.5fr); align-items: end; gap: 80px; }
.split-heading > p { margin: 0 0 7px; color: var(--muted); }

.about { border-block: 1px solid rgba(255,255,255,.04); background: var(--ink-soft); }
.about-layout { display: grid; grid-template-columns: 340px minmax(0,1fr); align-items: start; gap: clamp(65px,8vw,112px); }
.portrait { width: 100%; max-width: 340px; position: sticky; top: 105px; margin: 0; border: 1px solid var(--line-soft); background: var(--panel); }
.portrait::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg,transparent 55%,rgba(7,17,15,.88)),repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.08) 4px); }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: saturate(.7) contrast(1.08); }
.portrait figcaption { position: absolute; z-index: 2; right: 20px; bottom: 18px; left: 20px; display: flex; align-items: center; gap: 9px; color: #b5c4bd; font: 500 .62rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.about-copy > p { max-width: 680px; color: var(--muted); }
.about-copy .large-copy { margin-bottom: 30px; color: var(--white); font-size: clamp(1.35rem,2.4vw,2.02rem); line-height: 1.48; letter-spacing: -.027em; }
.operating-principles { margin-top: 52px; border-top: 1px solid var(--line-soft); }
.operating-principles > div { padding: 21px 0; display: grid; grid-template-columns: 45px 1fr; gap: 12px; border-bottom: 1px solid var(--line-soft); }
.operating-principles > div > span { color: var(--lime); font: 500 .64rem var(--mono); }
.operating-principles p, .operating-principles strong, .operating-principles small { display: block; margin: 0; }
.operating-principles strong { font-size: .95rem; }
.operating-principles small { margin-top: 3px; color: var(--muted); font-size: .8rem; }

.expertise { background: var(--ink); }
.expertise-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-soft); border-left: 1px solid var(--line-soft); }
.expertise-card { min-height: 280px; position: relative; padding: 30px; overflow: hidden; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: rgba(255,255,255,.008); transition: background .25s, transform .25s; }
.expertise-card:hover { z-index: 1; background: rgba(189,255,60,.025); transform: translateY(-3px); }
.expertise-card > span { color: #4e6359; font: .62rem var(--mono); }
.expertise-card .mono-label { margin: 45px 0 9px; font-size: .56rem; }
.expertise-card h3 { margin-bottom: 12px; font-size: 1.55rem; letter-spacing: -.035em; }
.expertise-card > p:not(.mono-label) { max-width: 280px; margin: 0; color: var(--muted); font-size: .86rem; }
.expertise-card i { position: absolute; right: 12px; bottom: -21px; color: rgba(189,255,60,.035); font: 700 6.5rem var(--mono); font-style: normal; letter-spacing: -.08em; }

.certifications { border-top: 1px solid rgba(255,255,255,.04); background: var(--ink-soft); }
.credential-list { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-soft); border-left: 1px solid var(--line-soft); }
.credential { min-width: 0; min-height: 178px; position: relative; padding: 16px 12px 14px; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); text-align: center; transition: background .25s, transform .25s; }
.credential:hover { background: rgba(189,255,60,.018); }
.credential:hover { z-index: 1; transform: translateY(-3px); }
.credential-badge { width: 58px; margin: 0 auto 8px; padding: 1px; }
.credential-badge img { width: 100%; aspect-ratio: 1; object-fit: contain; filter: saturate(.65); }
.credential-index { position: absolute; top: 10px; left: 10px; color: #50635a; font: .54rem var(--mono); }
.credential .mono-label { margin: 0 0 4px; font-size: .55rem; }
.credential h3 { margin: 0 0 3px; font: 600 1.02rem var(--mono); }
.credential div > p:last-child { min-height: 28px; margin: 0; color: var(--muted); font-size: .64rem; line-height: 1.35; }
.credential > a { width: 24px; height: 24px; position: absolute; top: 9px; right: 9px; display: grid; place-content: center; border: 1px solid var(--line-soft); color: var(--lime); font-size: .68rem; transition: border-color .2s, background .2s; }
.credential > a:hover { border-color: var(--lime); background: rgba(189,255,60,.04); }
.additional-credentials { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; align-items: center; padding: 32px 0; border-bottom: 1px solid var(--line-soft); }
.additional-credentials .mono-label { margin: 0; font-size: .56rem; }
.additional-credentials span, .additional-credentials small { display: block; }
.additional-credentials span { font: 600 .88rem var(--mono); }
.additional-credentials small { margin-top: 4px; color: var(--muted); font-size: .7rem; }

.connect { min-height: 720px; display: flex; align-items: center; overflow: hidden; background: var(--ink); }
.connect::before { content: ""; position: absolute; z-index: -1; width: 700px; height: 360px; top: 50%; left: 20%; border-radius: 50%; background: rgba(51,186,126,.08); filter: blur(105px); transform: translate(-50%,-50%); }
.connect .grid-background { opacity: .2; mask-image: radial-gradient(circle at center,black,transparent 75%); }
.connect-layout { display: grid; grid-template-columns: 1fr minmax(400px,.8fr); align-items: center; gap: clamp(70px,9vw,130px); }
.connect h2 { margin-bottom: 27px; }
.connect-copy > p:not(.section-index) { max-width: 540px; margin-bottom: 32px; color: var(--muted); font-size: 1.05rem; }
.contact-commands { min-height: 330px; padding: 34px; color: #a8bab1; font: .76rem/1.8 var(--mono); }
.contact-commands p { padding: 9px 0; margin: 0; border-bottom: 1px solid rgba(255,255,255,.035); }
.contact-commands a { color: var(--cyan); transition: color .2s; }
.contact-commands a:hover { color: var(--lime); }
.contact-commands .terminal-cursor { border: 0; }
.contact-commands .terminal-cursor i { height: 14px; }

.site-footer { border-top: 1px solid var(--line-soft); background: #050d0b; }
.footer-inner { min-height: 110px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; }
.footer-inner > p { margin: 0; color: #5e7067; font: .62rem var(--mono); text-align: center; }
.footer-inner > a:last-child { justify-self: end; color: #73857c; font: .62rem var(--mono); }
.footer-inner > a:last-child:hover { color: var(--lime); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes scan { 0%,100% { left: 0; } 50% { left: 42px; } }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .header-status { margin-left: auto; }
  .menu-toggle { width: 38px; height: 38px; display: grid; place-content: center; gap: 6px; border: 1px solid var(--line-soft); background: transparent; cursor: pointer; }
  .menu-toggle span { width: 17px; height: 1px; display: block; background: var(--white); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { position: fixed; inset: var(--header) 0 auto; height: calc(100svh - var(--header)); padding: 40px 24px; display: flex; flex-direction: column; visibility: hidden; opacity: 0; background: rgba(7,17,15,.98); transform: translateY(-10px); transition: opacity .2s, transform .2s, visibility .2s; }
  .site-header.open .mobile-nav { visibility: visible; opacity: 1; transform: none; }
  .mobile-nav a { padding: 18px 0; border-bottom: 1px solid var(--line-soft); font-size: clamp(1.5rem,6vw,2.4rem); font-weight: 600; letter-spacing: -.04em; }
  .hero { min-height: auto; padding-top: 150px; }
  .hero-layout { grid-template-columns: 1fr; }
  .profile-terminal { max-width: 640px; transform: none; }
  .scroll-cue { display: none; }
  .split-heading { grid-template-columns: 1fr; gap: 25px; }
  .about-layout { grid-template-columns: 300px minmax(0,1fr); gap: 55px; }
  .expertise-grid { grid-template-columns: repeat(2,1fr); }
  .credential-list { grid-template-columns: repeat(2,1fr); }
  .connect-layout { grid-template-columns: 1fr; }
  .contact-terminal { max-width: 680px; width: 100%; }
}

@media (max-width: 720px) {
  :root { --header: 66px; }
  .container, .header-inner { width: min(calc(100% - 32px),var(--container)); }
  .section { padding: 92px 0; }
  .header-status { padding: 7px 9px; font-size: .57rem; }
  .hero { padding: 120px 0 76px; }
  h1 { font-size: clamp(3.05rem,14.8vw,5.2rem); }
  .hero-stats { margin-top: 46px; }
  .hero-stats div { min-width: 0; flex: 1; padding: 0 11px; }
  .hero-stats dt { font-size: 1.18rem; }
  .hero-stats dd { font-size: .52rem; }
  .terminal-body { min-height: 385px; padding: 27px 22px; }
  .terminal-label { display: none; }
  .section-heading { margin-bottom: 48px; }
  .about-layout { grid-template-columns: 1fr; gap: 52px; }
  .portrait { position: relative; top: auto; max-width: 300px; margin-inline: auto; }
  .credential { min-height: 170px; padding: 14px 10px 12px; }
  .credential-badge { width: 54px; margin-bottom: 7px; padding: 1px; }
  .additional-credentials { grid-template-columns: 1fr 1fr; }
  .additional-credentials .mono-label { grid-column: 1 / -1; }
  .footer-inner { grid-template-columns: 1fr; padding: 30px 0; text-align: center; }
  .footer-inner > .brand, .footer-inner > a:last-child { justify-self: center; }
}

@media (max-width: 500px) {
  .brand { font-size: .8rem; }
  .header-status { border: 0; padding: 0; }
  .header-status .status-dot { width: 6px; height: 6px; }
  .hero-actions .button { width: 100%; }
  .expertise-grid { grid-template-columns: 1fr; }
  .expertise-card { min-height: 245px; }
  .credential-index { display: none; }
  .credential-badge { width: 50px; }
  .contact-commands { padding: 24px 18px; font-size: .67rem; overflow-x: auto; }
  .button-large { min-width: 100%; }
}

@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; }
}