/* ---------- Colors & fonts: change these first ---------- */
:root {
  --bg: #07090a;
  --panel: #0d1214;
  --line: #1d2a2e;
  --text: #d7e4e0;
  --muted: #8aa09a;
  --green: #3dff9a;     /* main accent */
  --red: #ff3b5c;       /* hard / alerts */
  --amber: #ffb020;     /* medium / in progress */
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { font-family: var(--display); font-weight: 500; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; }
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 20; background: var(--green); box-shadow: 0 0 12px var(--green); }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center;
  padding: 14px 5vw; background: rgba(7, 9, 10, .8); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.logo { font-family: var(--mono); font-weight: 700; text-decoration: none; }
.logo span { color: var(--green); }
.nav nav { display: flex; gap: 22px; }
.nav nav a { text-decoration: none; color: var(--muted); }
.nav nav a:hover { color: var(--green); }

/* ---------- Buttons ---------- */
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn { display: inline-block; padding: 12px 22px; border: 1px solid var(--green); color: var(--green); border-radius: 6px;
  text-decoration: none; font-family: var(--mono); font-weight: 700; font-size: .9rem; transition: background .2s, box-shadow .2s, color .2s; }
.btn:hover { background: rgba(61, 255, 154, .12); box-shadow: 0 0 18px rgba(61, 255, 154, .35); }
.btn.primary { background: var(--green); color: #04110a; }
.btn.primary:hover { background: #7dffbb; }
.btn.small { padding: 8px 14px; font-size: .8rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: -10% 0; background:
  linear-gradient(180deg, rgba(7,9,10,.55), var(--bg) 95%), url(images/hero.jpg) center/cover no-repeat;
  opacity: .75; will-change: transform; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 100px 5vw 110px; }
.status { font-family: var(--mono); font-size: .85rem; color: var(--green); display: flex; align-items: center; gap: 8px; }
.status i, .chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: .25; } }
.hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; font-weight: 800; margin-top: 14px; }
.sub { margin-top: 18px; max-width: 46ch; font-size: 1.1rem; color: var(--text); text-shadow: 0 2px 12px #000; }

.glitch { position: relative; color: var(--green); }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; left: 0; top: 0; width: 100%; overflow: hidden; }
.glitch::before { color: var(--red); animation: glitch1 4s infinite steps(1); }
.glitch::after { color: #4fd8ff; animation: glitch2 4s infinite steps(1); }
@keyframes glitch1 { 0%, 92%, 100% { clip-path: inset(0 0 100% 0); transform: none; } 93% { clip-path: inset(20% 0 55% 0); transform: translate(-4px); } 96% { clip-path: inset(60% 0 10% 0); transform: translate(3px); } }
@keyframes glitch2 { 0%, 92%, 100% { clip-path: inset(0 0 100% 0); transform: none; } 94% { clip-path: inset(50% 0 25% 0); transform: translate(4px); } 97% { clip-path: inset(10% 0 70% 0); transform: translate(-3px); } }

/* ---------- Terminal ---------- */
.terminal { background: rgba(5, 8, 9, .92); border: 1px solid var(--green); border-radius: 10px; overflow: hidden;
  font-family: var(--mono); font-size: .88rem; box-shadow: 0 0 40px rgba(61, 255, 154, .2); }
.term-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #0b1214; border-bottom: 1px solid var(--line); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--red); }
.term-bar i:nth-child(2) { background: var(--amber); }
.term-bar i:nth-child(3) { background: var(--green); }
.term-bar span { margin-left: 10px; color: var(--muted); font-size: .78rem; }
.term-out { height: 220px; overflow-y: auto; padding: 14px; }
.term-out p { margin: 0 0 6px; color: var(--green); }
.term-out b { color: var(--amber); }
.term-out .you { color: var(--text); }
.term-in { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); }
.term-in span { color: var(--green); }
.term-in input { flex: 1; background: none; border: 0; color: var(--text); font: inherit; outline: none; caret-color: var(--green); }

/* ---------- The Lab (photo: images/lab.jpg) ---------- */
.lab { position: relative; min-height: 420px; display: flex; align-items: flex-end; overflow: hidden; border-bottom: 1px solid var(--line); }
.lab-bg { position: absolute; inset: 0; background: linear-gradient(90deg, var(--bg) 5%, rgba(7,9,10,.2) 70%), url(images/lab.jpg) center/cover no-repeat, var(--panel); }
.lab-text { position: relative; margin: 0 5vw 48px; max-width: 460px; padding: 22px 26px; background: rgba(7, 9, 10, .75);
  backdrop-filter: blur(6px); border-left: 3px solid var(--green); }
.lab-text h2 { font-size: clamp(1.3rem, 2.8vw, 2rem); line-height: 1.2; font-weight: 800; }
.lab-text p { margin-top: 10px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 90px 5vw; }
.section > * { max-width: 1100px; margin-left: auto; margin-right: auto; }
.section h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; position: relative; padding-bottom: 12px; }
.section h2::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--green);
  box-shadow: 0 0 10px var(--green); transition: width .8s .2s; }
.contact h2::after { left: 50%; transform: translateX(-50%); }
.section h2.in::after { width: 70px; }
.lead { margin-top: 12px; margin-bottom: 44px; color: var(--muted); max-width: 60ch; }
.arena { background: rgba(13, 18, 20, .7); border-block: 1px solid var(--line); }
.contact { text-align: center; }
.contact .btns { justify-content: center; }
.contact .lead { margin-inline: auto; }

/* ---------- Scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: calc(var(--i, 0) * .15s); }
.js .reveal.left { transform: translateX(-60px); }
.js .reveal.right { transform: translateX(60px); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Projects: case files ---------- */
.project { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; margin-bottom: 70px; }
.project.flip { grid-template-columns: 1fr 1.2fr; }
.project.flip .shot { order: 2; }
.shot { position: relative; display: block; aspect-ratio: 16 / 10; border: 1px solid var(--green); border-radius: 10px; overflow: hidden;
  background: var(--img) center/cover no-repeat, linear-gradient(135deg, #0e1a17, #060809);
  box-shadow: 0 0 30px rgba(61, 255, 154, .15); transition: transform .15s ease-out, box-shadow .3s; }
.shot:hover { box-shadow: 0 0 50px rgba(61, 255, 154, .4); }
.shot::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.22) 0 1px, transparent 1px 3px); }
.shot::before { content: ""; position: absolute; left: 0; right: 0; height: 40%; top: -40%; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(61,255,154,.18), transparent); animation: scan 4s linear infinite; }
@keyframes scan { to { top: 100%; } }
.chrome { position: absolute; top: 0; left: 0; right: 0; z-index: 3; display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: rgba(5, 8, 9, .85); }
.chrome i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.chrome em { margin-left: 10px; font: .72rem var(--mono); color: var(--muted); }
.shot-label { position: absolute; inset: 0; display: grid; place-items: center; font: .8rem var(--mono); color: var(--muted); }

.chip { display: inline-flex; align-items: center; gap: 8px; font: .75rem var(--mono); padding: 4px 12px; border-radius: 999px; border: 1px solid currentColor; color: var(--green); }
.chip.wip { color: var(--amber); } .chip.wip i { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.info h3 { font-size: 2rem; font-weight: 800; margin: 14px 0 6px; }
.info p { color: var(--muted); }
.info .tags { margin: 16px 0 6px; }
.links { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.tags li { padding: 3px 12px; border-radius: 4px; background: rgba(61, 255, 154, .08); border: 1px solid var(--line); color: var(--green); font: .75rem var(--mono); }
.tags.big li { font-size: .9rem; padding: 6px 16px; }

/* ---------- CTF ---------- */
.ctf-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 24px; }
.ctf { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 22px; transition: border-color .2s, box-shadow .2s; }
.ctf:hover { border-color: var(--green); box-shadow: 0 0 24px rgba(61, 255, 154, .18); }
.ctf-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.ctf h3 { font-size: 1.25rem; font-weight: 800; }
.ctf p { margin: 8px 0 16px; color: var(--muted); }
.diff { font: 700 .72rem var(--mono); padding: 3px 10px; border-radius: 4px; color: #05080a; }
.diff.easy { background: var(--green); } .diff.med { background: var(--amber); } .diff.hard { background: var(--red); }
.flag { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.flag input { flex: 1 1 140px; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--line); background: #050809; color: var(--text); font-family: var(--mono); }
.flag button { padding: 10px 14px; border: 0; border-radius: 6px; cursor: pointer; background: var(--green); color: #04110a; font: 700 .85rem var(--mono); }
.flag output { flex-basis: 100%; font: .85rem var(--mono); min-height: 1.2em; }
.flag output.ok { color: var(--green); } .flag output.no { color: var(--red); }
.note { margin-top: 28px; font-size: .85rem; color: var(--muted); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 44px; align-items: center; }
.about-grid p { margin-bottom: 14px; max-width: 60ch; color: var(--muted); }
.photo { aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--green);
  background: var(--img) center/cover no-repeat, var(--panel); box-shadow: 0 0 30px rgba(61, 255, 154, .25); font: .75rem var(--mono); color: var(--muted); }

footer { padding: 28px; text-align: center; background: var(--bg); border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }

/* ---------- Mobile & accessibility ---------- */
@media (max-width: 800px) {
  .hero-inner, .project, .project.flip, .about-grid { grid-template-columns: 1fr; }
  .hero-inner { padding-top: 56px; }
  .project.flip .shot { order: 0; }
  .photo { max-width: 200px; }
  .nav nav { gap: 12px; font-size: .85rem; }
  .js .reveal.left, .js .reveal.right { transform: translateY(40px); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}