/* danielflewis.com — "the operator's console"
   Poles: blue = engineering · pink = security · amber = incident · green = live.
   Never more than two poles in one component. */

:root {
  --surface: #070b16;
  --surface-alt: #0a101f;
  --surface-deep: #04060d;
  --card: #101828;
  --card-raised: #16203a;
  --ink: #eef3fb;
  --ink-soft: #93a0ba;
  --ink-mute: #667292;
  --blue: #5fb2ff;
  --blue-deep: #2f7fd6;
  --blue-soft: rgba(95, 178, 255, 0.08);
  --pink: #f2699c;
  --pink-soft: rgba(242, 105, 156, 0.07);
  --amber: #f5b453;
  --amber-soft: rgba(245, 180, 83, 0.07);
  --green: #43dfa0;
  --border: rgba(147, 160, 186, 0.16);
  --border-dim: rgba(147, 160, 186, 0.08);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --text-eyebrow: 0.78rem;
  --text-body: 1.0625rem;
  --text-lead: clamp(1.125rem, 1rem + 0.5vw, 1.4rem);
  --text-h2: clamp(2rem, 1.4rem + 2.4vw, 3.4rem);
  --text-display: clamp(3rem, 1.4rem + 7.2vw, 8rem);
  --space-section: clamp(5rem, 3.5rem + 6vw, 10.5rem);
  --ease-arrive: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-settle: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 240ms;
  --dur-normal: 480ms;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--text-body);
  line-height: 1.65;
  overflow-x: clip;
}
::selection { background: rgba(95, 178, 255, 0.32); }

/* atmosphere: fine grid + vignette, fixed behind everything */
.atmos {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 18% -8%, rgba(95, 178, 255, 0.09), transparent 62%),
    radial-gradient(ellipse 55% 40% at 100% 108%, rgba(67, 223, 160, 0.05), transparent 60%),
    linear-gradient(rgba(95, 178, 255, 0.017) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 178, 255, 0.017) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 64px 64px, 64px 64px;
}
.wrap { max-width: 76rem; margin: 0 auto; padding: 0 clamp(1.25rem, 0.5rem + 2.5vw, 2.75rem); position: relative; z-index: 1; }

.eyebrow {
  font-family: var(--mono); font-size: var(--text-eyebrow); letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--blue); display: flex; align-items: center; gap: 0.9rem;
}
.eyebrow::after { content: ''; height: 1px; width: clamp(2rem, 6vw, 5rem); background: linear-gradient(90deg, var(--border), transparent); }
.eyebrow .idx { color: var(--ink-mute); }
.eyebrow.pink { color: var(--pink); }
.eyebrow.amber { color: var(--amber); }
.eyebrow.green { color: var(--green); }

h2.title { font-family: var(--display); font-size: var(--text-h2); font-weight: 600; letter-spacing: -0.02em; line-height: 1.06; margin: 0.7rem 0 1rem; text-wrap: balance; }
.lead { color: var(--ink-soft); font-size: var(--text-lead); max-width: 46rem; text-wrap: pretty; }

/* ---------- nav ---------- */
nav { position: sticky; top: 0; z-index: 30; background: rgba(7, 11, 22, 0.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-dim); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 0.95rem; padding-bottom: 0.95rem; }
.logo { font-family: var(--mono); font-size: 0.9rem; color: var(--ink); text-decoration: none; }
.logo b { color: var(--blue); font-weight: 500; }
.logo .cursor { display: inline-block; width: 0.5em; height: 1em; background: var(--blue); vertical-align: -0.15em; margin-left: 3px; animation: blink 1.1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }
nav ul { display: flex; gap: 1.7rem; list-style: none; }
nav ul a { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em; color: var(--ink-soft); text-decoration: none; transition: color var(--dur-fast); }
nav ul a:hover, nav ul a:focus-visible { color: var(--blue); }
#menu-btn { display: none; background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--ink-soft); font-family: var(--mono); font-size: 0.75rem; padding: 0.4rem 0.7rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: min(92vh, 60rem); display: flex; align-items: flex-end; overflow: clip; }
#net { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,11,22,0.25) 0%, rgba(7,11,22,0) 40%, rgba(7,11,22,0.88) 92%); pointer-events: none; }
.hero .wrap { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(3rem, 6vh, 5.5rem); padding-top: 7rem; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.hero-id .boot { font-family: var(--mono); font-size: 0.85rem; color: var(--blue); margin-bottom: 1.1rem; }
.hero-id .boot .ok { color: var(--green); }
.hero-id h1 { font-family: var(--display); font-size: var(--text-display); font-weight: 600; letter-spacing: -0.035em; line-height: 0.98; margin-bottom: 0.5rem; }
.hero-id .role { font-family: var(--mono); font-size: clamp(0.95rem, 0.8rem + 0.7vw, 1.25rem); color: var(--blue); margin-bottom: 1.4rem; }
.hero-id .role span { color: var(--ink-mute); }
.hero-id .thesis { font-size: var(--text-lead); color: var(--ink-soft); max-width: 34rem; text-wrap: pretty; margin-bottom: 2.1rem; }
.hero-id .thesis strong { color: var(--ink); font-weight: 600; }
.ctas { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--mono); font-size: 0.88rem; padding: 0.85rem 1.4rem; border-radius: 8px; text-decoration: none; border: 1px solid transparent; transition: transform var(--dur-fast) var(--ease-settle), box-shadow var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast); }
.btn-solid { background: var(--blue); color: #05101f; font-weight: 500; box-shadow: 0 0 28px rgba(95, 178, 255, 0.22); }
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 8px 36px rgba(95, 178, 255, 0.35); }
.btn-ghost { color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.hero-meta { display: flex; flex-direction: column; gap: 0.55rem; font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); text-align: right; padding-bottom: 0.4rem; }
.hero-meta span::before { content: '· '; color: var(--blue); }
.hero-meta .live { color: var(--green); }
.hero-meta .live::before { content: '● '; color: var(--green); animation: pulse-dot 2.2s ease-in-out infinite; }
@keyframes pulse-dot { 50% { opacity: 0.35; } }

/* ---------- telemetry strip ---------- */
.telemetry { border-top: 1px solid var(--border-dim); border-bottom: 1px solid var(--border-dim); background: rgba(10, 16, 31, 0.5); }
.telemetry .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(9.5rem, 100%), 1fr)); }
.tele { padding: 1.4rem 1rem; text-align: center; border-left: 1px solid var(--border-dim); }
.tele:first-child { border-left: none; }
.tele .n { font-family: var(--mono); font-size: clamp(1.3rem, 1rem + 1.2vw, 1.9rem); font-weight: 700; color: var(--blue); }
.tele .n.pink { color: var(--pink); }
.tele .l { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mute); margin-top: 0.25rem; }

/* ---------- sections ---------- */
section { padding: var(--space-section) 0; position: relative; }
section.alt { background: var(--surface-alt); border-top: 1px solid var(--border-dim); border-bottom: 1px solid var(--border-dim); }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.about-copy p { color: var(--ink-soft); margin-bottom: 1.15rem; max-width: 44rem; }
.about-copy p strong { color: var(--ink); font-weight: 600; }
.about-copy .kicker { color: var(--ink); font-size: var(--text-lead); font-weight: 500; margin-bottom: 1.4rem; text-wrap: pretty; }
.principles { border-left: 1px solid var(--border); padding-left: 1.6rem; display: flex; flex-direction: column; gap: 1.5rem; }
.principle .k { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.3rem; }
.principle p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- case study chapters ---------- */
.case-head { max-width: 50rem; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.chapter { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr); gap: clamp(1.75rem, 4vw, 4.5rem); padding: clamp(2.5rem, 5vw, 4rem) 0; border-top: 1px solid var(--border-dim); }
.chapter-side { position: sticky; top: 5.5rem; align-self: start; }
.chapter-side .num { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-mute); margin-bottom: 0.4rem; }
.chapter-side h3 { font-family: var(--display); font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.2rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.12; text-wrap: balance; }
.chapter-side .tag { display: inline-block; margin-top: 0.9rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: 5px; border: 1px solid var(--border); color: var(--ink-soft); }
.chapter.sec .chapter-side .tag { border-color: rgba(242, 105, 156, 0.35); color: var(--pink); background: var(--pink-soft); }
.chapter.war .chapter-side .tag { border-color: rgba(245, 180, 83, 0.35); color: var(--amber); background: var(--amber-soft); }
.chapter-body p { color: var(--ink-soft); margin-bottom: 1.1rem; max-width: 42rem; }
.chapter-body p strong { color: var(--ink); font-weight: 600; }
.chapter-body p .b { color: var(--blue); font-weight: 500; }
.chapter-body p .p { color: var(--pink); font-weight: 500; }
.spec-list { list-style: none; margin: 1.4rem 0 0.4rem; display: grid; gap: 0.7rem; }
.spec-list li { position: relative; padding-left: 1.4rem; color: var(--ink-soft); font-size: 0.98rem; max-width: 42rem; }
.spec-list li::before { content: '▸'; position: absolute; left: 0; color: var(--blue); }
.chapter.sec .spec-list li::before { color: var(--pink); }
.pull { border-left: 2px solid var(--pink); background: var(--pink-soft); border-radius: 0 10px 10px 0; padding: 1.3rem 1.5rem; margin: 1.6rem 0; max-width: 42rem; }
.pull p { color: var(--ink); font-family: var(--display); font-size: clamp(1.15rem, 1rem + 0.7vw, 1.45rem); font-weight: 500; line-height: 1.4; margin: 0; text-wrap: pretty; }

/* eval loop rail */
.loop-rail { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; font-family: var(--mono); font-size: 0.78rem; margin-top: 1.5rem; }
.loop-rail .node { border: 1px solid var(--border); background: var(--card); border-radius: 7px; padding: 0.55rem 0.9rem; color: var(--ink-soft); white-space: nowrap; }
.loop-rail .node.hot { border-color: rgba(95, 178, 255, 0.4); color: var(--blue); }
.loop-rail .arr { color: var(--ink-mute); }

/* war-story timeline */
.incident { list-style: none; margin-top: 1.7rem; position: relative; max-width: 42rem; }
.incident::before { content: ''; position: absolute; left: 0.42rem; top: 0.5rem; bottom: 0.5rem; width: 1px; background: linear-gradient(180deg, var(--amber), var(--border) 85%); }
.incident li { position: relative; padding: 0 0 1.9rem 2.1rem; }
.incident li:last-child { padding-bottom: 0; }
.incident li::before { content: ''; position: absolute; left: 0; top: 0.42rem; width: 0.85rem; height: 0.85rem; border-radius: 50%; background: var(--surface); border: 2px solid var(--amber); }
.incident li:last-child::before { background: var(--green); border-color: var(--green); }
.incident .t { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--amber); margin-bottom: 0.25rem; }
.incident li:last-child .t { color: var(--green); }
.incident p { color: var(--ink-soft); font-size: 0.98rem; margin: 0; }
.incident p strong { color: var(--ink); }
.war-kicker { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--border-dim); font-family: var(--display); font-size: clamp(1.2rem, 1rem + 0.9vw, 1.6rem); font-weight: 500; color: var(--ink); max-width: 40rem; line-height: 1.35; text-wrap: pretty; }
.war-kicker .a { color: var(--amber); }

.stack-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2.2rem; }
.chip { font-family: var(--mono); font-size: 0.75rem; padding: 0.35rem 0.75rem; border-radius: 6px; background: var(--blue-soft); border: 1px solid rgba(95, 178, 255, 0.22); color: var(--blue); }
.chip.p { background: var(--pink-soft); border-color: rgba(242, 105, 156, 0.28); color: var(--pink); }

/* ---------- systems (built) ---------- */
.sys-list { display: flex; flex-direction: column; }
.sys { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); gap: clamp(1.5rem, 4vw, 4rem); padding: clamp(2.2rem, 4.5vw, 3.5rem) 0; border-top: 1px solid var(--border-dim); align-items: start; }
.sys:nth-child(even) { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); }
.sys:nth-child(even) .sys-id { order: 2; text-align: right; }
.sys:nth-child(even) .sys-id .sys-tags { justify-content: flex-end; }
.sys-id .sys-num { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-mute); margin-bottom: 0.5rem; }
.sys-id h3 { font-family: var(--display); font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.5rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; }
.sys-id h3 a { color: inherit; text-decoration: none; transition: color var(--dur-fast); }
.sys-id h3 a:hover { color: var(--blue); }
.sys-id h3 .ext { font-family: var(--mono); font-size: 0.55em; color: var(--blue); vertical-align: 0.5em; }
.sys-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.8rem; }
.sys-tag { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.07em; text-transform: uppercase; padding: 0.28rem 0.6rem; border-radius: 5px; border: 1px solid var(--border); color: var(--ink-soft); }
.sys-tag.live { border-color: rgba(67, 223, 160, 0.35); color: var(--green); }
.sys-body p { color: var(--ink-soft); max-width: 38rem; }
.sys-body p strong { color: var(--ink); font-weight: 600; }
.sys-body .sys-stack { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.1rem; }
.sys-body .sys-stack span { font-family: var(--mono); font-size: 0.72rem; padding: 0.3rem 0.65rem; border-radius: 5px; background: var(--card); border: 1px solid var(--border-dim); color: var(--ink-soft); }
.sys-note { margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.5rem; border-top: 1px solid var(--border-dim); color: var(--ink-mute); font-size: 0.9rem; font-family: var(--mono); }

/* ---------- timeline ---------- */
.timeline { position: relative; max-width: 50rem; }
.timeline::before { content: ''; position: absolute; left: 0.42rem; top: 0.6rem; bottom: 0.6rem; width: 1px; background: linear-gradient(180deg, var(--green), var(--border) 40%); }
.t-item { position: relative; padding: 0 0 2.4rem 2.2rem; }
.t-item:last-child { padding-bottom: 0; }
.t-item::before { content: ''; position: absolute; left: 0; top: 0.5rem; width: 0.85rem; height: 0.85rem; border-radius: 50%; background: var(--surface); border: 2px solid var(--blue); }
.t-item.now::before { border-color: var(--green); background: var(--green); box-shadow: 0 0 0 4px rgba(67, 223, 160, 0.15); }
.t-item .when { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-mute); letter-spacing: 0.04em; }
.t-item h3 { font-family: var(--display); font-size: 1.25rem; font-weight: 600; margin: 0.2rem 0 0.05rem; }
.t-item .org { font-family: var(--mono); font-size: 0.82rem; color: var(--blue); margin-bottom: 0.6rem; }
.t-item .org a { color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(95, 178, 255, 0.4); }
.t-item ul { list-style: none; }
.t-item li { position: relative; padding-left: 1.3rem; color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 0.35rem; }
.t-item li::before { content: '▸'; position: absolute; left: 0; color: var(--blue); }
.t-item.now li::before { color: var(--green); }

/* ---------- skills ---------- */
.skill-cols { columns: 2; column-gap: clamp(2rem, 5vw, 4.5rem); max-width: 60rem; }
.skill-group { break-inside: avoid; margin-bottom: 2rem; }
.skill-group .k { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.09em; text-transform: uppercase; margin-bottom: 0.55rem; color: var(--blue); }
.skill-group.pink .k { color: var(--pink); }
.skill-group.green .k { color: var(--green); }
.skill-group p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- education ---------- */
.edu-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr)); gap: 1.1rem; margin-bottom: 1.6rem; }
.edu { border: 1px solid var(--border-dim); background: var(--card); border-radius: 10px; padding: 1.3rem 1.4rem; }
.edu .s { font-weight: 600; }
.edu .d { color: var(--ink-soft); font-size: 0.9rem; margin: 0.15rem 0; }
.edu .y { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-mute); }
.certs { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.cert { font-size: 0.85rem; padding: 0.45rem 0.85rem; border: 1px solid var(--border-dim); background: var(--card); border-radius: 7px; color: var(--ink-soft); }
.cert::before { content: '✓ '; color: var(--green); }

/* ---------- contact ---------- */
.contact { text-align: center; background: var(--surface-deep); border-top: 1px solid var(--border-dim); }
.contact .eyebrow { justify-content: center; }
.contact .eyebrow::after { display: none; }
.contact h2 { font-family: var(--display); font-size: clamp(2.4rem, 1.6rem + 4vw, 4.6rem); font-weight: 600; letter-spacing: -0.03em; margin: 0.8rem 0 1.1rem; }
.contact p { color: var(--ink-soft); max-width: 36rem; margin: 0 auto 2.2rem; text-wrap: pretty; }
.email { display: inline-block; max-width: 100%; font-family: var(--mono); font-size: clamp(0.85rem, 0.6rem + 1.4vw, 1.3rem); color: var(--blue); text-decoration: none; padding: 1rem clamp(1rem, 3vw, 2rem); border: 1px solid var(--border); border-radius: 10px; transition: transform var(--dur-fast) var(--ease-settle), border-color var(--dur-fast), box-shadow var(--dur-fast); }
.email:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: 0 10px 40px rgba(95, 178, 255, 0.16); }
footer { background: var(--surface-deep); padding: 2.4rem 0 2.8rem; text-align: center; font-family: var(--mono); font-size: 0.75rem; color: var(--ink-mute); }
footer .d { color: var(--blue); }

/* ---------- reveals ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease-arrive), transform 0.7s var(--ease-arrive); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  nav ul { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(7, 11, 22, 0.97); border-bottom: 1px solid var(--border); padding: 0.5rem 1.5rem 1rem; }
  nav ul.open { display: flex; }
  nav ul li { padding: 0.65rem 0; }
  #menu-btn { display: block; }
  .hero .wrap { grid-template-columns: 1fr; padding-top: 5.5rem; }
  .hero-meta { flex-direction: row; flex-wrap: wrap; gap: 0.4rem 1.2rem; text-align: left; }
  .about-grid { grid-template-columns: 1fr; }
  .chapter { grid-template-columns: 1fr; gap: 1.2rem; }
  .chapter-side { position: static; }
  .sys, .sys:nth-child(even) { grid-template-columns: 1fr; gap: 1rem; }
  .sys:nth-child(even) .sys-id { order: 0; text-align: left; }
  .sys:nth-child(even) .sys-id .sys-tags { justify-content: flex-start; }
  .skill-cols { columns: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .logo .cursor, .hero-meta .live::before { animation: none; }
  .btn, .email { transition: none; }
  #net { display: none; }
  .hero { background: radial-gradient(ellipse 80% 60% at 30% 20%, rgba(95, 178, 255, 0.12), transparent 65%); }
}