/* website/static/style.css — the whole stylesheet. No build step, no
   framework: one hand-rolled file. Design system recreated from the
   design handoff (templates/design_handoff_megaconductor_store/README.md):
   a dark, retro-futurist green-phosphor CRT / shipboard-terminal storefront.
   Fonts (Oswald / Space Mono / VT323) are loaded in _base.html. */

:root {
  /* --- surfaces --- */
  --bg:          #04060a;
  --panel:       #070b07;
  --panel-2:     #060c08;
  --panel-grad:  linear-gradient(160deg, #11160f, #080b07);
  --strip-bg:    #060a07;

  /* --- phosphor greens --- */
  --green:       #5dff8b;   /* primary accent, CTAs, active */
  --lcd:         #4bd6b0;   /* readouts */
  --g-1:         #7fa088;
  --g-2:         #4c8a5f;
  --g-3:         #2f5a3c;
  --g-4:         #3f7a52;
  --g-5:         #1f4a2e;

  /* --- text --- */
  --light:       #eef3e8;
  --light-2:     #e6ecdf;
  --light-3:     #c9d3c2;
  --muted:       #9fb0a2;
  --muted-2:     #8fa093;

  /* --- lines --- */
  --line:        rgba(93, 255, 139, .16);
  --line-em:     rgba(93, 255, 139, .28);
  --line-hi:     rgba(93, 255, 139, .35);
  --divider:     rgba(93, 255, 139, .18);

  --hazard:      #e8c547;
  --on-green:    #04060a;

  /* --- type --- */
  --font-display: 'Oswald', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-mono:    'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-num:     'VT323', var(--font-mono);

  /* --- effects --- */
  --glow-label: 0 0 6px rgba(93, 255, 139, .5);
  --glow-hero:  0 0 22px rgba(93, 255, 139, .45);
  --glow-btn:   0 0 24px rgba(93, 255, 139, .3);

  --maxw: 1240px;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--light-3);
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Two fixed full-viewport CRT overlays (decorative, non-interactive) --- */
body::before,      /* scanlines */
body::after {      /* vignette flicker */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}
body::before {
  background: repeating-linear-gradient(0deg,
    rgba(0, 0, 0, .26) 0 1px, transparent 1px 3px);
}
body::after {
  background: radial-gradient(130% 110% at 50% 40%,
    transparent 55%, rgba(0, 0, 0, .5));
  animation: flick 6s infinite;
}
@keyframes flick { 0%,100% { opacity: .97; } 50% { opacity: .85; } }
@keyframes cur   { 0%,100% { opacity: 1; }   50% { opacity: .2; } }
@keyframes drift { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Content sits above the scanline plate. */
.site-header, .site-main, .site-footer, .status-strip { position: relative; z-index: 2; }

a { color: inherit; }

/* ============================================================= *
 *  Top status strip
 * ============================================================= */
.status-strip {
  background: var(--strip-bg);
  border-bottom: 1px solid var(--divider);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--g-2);
}
.status-strip .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 9px 24px;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.status-strip .left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.status-strip .led {
  width: 7px; height: 7px; flex: none;
  background: var(--green);
  box-shadow: 0 0 9px var(--green);
  animation: cur 1.4s infinite;
}
.status-strip .os { color: var(--green); text-shadow: var(--glow-label); white-space: nowrap; }
.status-strip .sep { color: var(--g-3); }
.status-strip .status { color: var(--g-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-strip .right { display: flex; gap: 12px; white-space: nowrap; }
.status-strip .right a { color: var(--green); text-decoration: none; }
.status-strip .right .dim { color: var(--g-3); text-decoration: none; }

/* ============================================================= *
 *  Nav header
 * ============================================================= */
.site-header {
  background: #04060a;
  border-bottom: 1px solid var(--divider);
}
.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-link { text-decoration: none; display: block; }
.brand-link .word {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 23px;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--light-2);
  line-height: 1;
}
.brand-link .sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .34em;
  color: var(--g-2);
  margin-top: 6px;
}
.mainnav {
  display: flex;
  gap: 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--g-1);
}
.mainnav a { color: var(--g-1); text-decoration: none; padding-bottom: 3px; }
.mainnav a:hover { color: var(--light-3); }
.mainnav a.active { color: var(--green); text-shadow: var(--glow-label); border-bottom: 1px solid var(--green); }
.faux-search {
  width: 200px;
  border: 1px solid rgba(93, 255, 139, .2);
  padding: 8px 12px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--g-2);
}
.faux-search .mag { color: var(--green); }

/* ============================================================= *
 *  Content shell
 * ============================================================= */
.site-main { display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.site-main section { margin: 0; }

h1, h2, h3 { font-weight: 300; text-transform: uppercase; margin: 0; }
.accent { color: var(--green); text-shadow: var(--glow-hero); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green);
  text-shadow: var(--glow-label);
  line-height: 1.7;
  margin: 0 0 18px;
}
.section-label {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--g-1);
  margin: 0 0 22px;
}
.section-label .hair { flex: 1; height: 1px; background: var(--divider); }
.section-label a { color: var(--green); text-decoration: none; white-space: nowrap; }

/* ---- Hero (Home + Free) ---- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 52px;
  padding: 56px 24px 42px;
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: center;
}
.hero h1 {
  font-size: 60px;
  line-height: 1;
  letter-spacing: .13em;
  color: var(--light);
  margin: 0 0 22px;
}
.hero .lede { font-size: 18px; color: var(--muted); max-width: 450px; margin: 0 0 26px; }

/* ---- Email capture ---- */
.capture { max-width: 460px; }
.capture form { display: flex; gap: 10px; flex-wrap: wrap; }
.capture input[type=email] {
  flex: 1; min-width: 200px;
  background: var(--panel-2);
  border: 1px solid var(--line-em);
  color: var(--light-2);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 12px 14px;
}
.capture input[type=email]::placeholder { color: var(--g-2); }
.capture input[type=email]:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.capture .note { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--g-2); margin: 12px 0 0; }
.capture .confirm {
  border: 1px solid var(--line-hi);
  background: linear-gradient(120deg, rgba(93,255,139,.08), transparent);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green);
}

/* ============================================================= *
 *  CRT cover device
 * ============================================================= */
.crt {
  border: 1px solid rgba(93, 255, 139, .2);
  border-radius: 14px;
  background: var(--panel-grad);
  padding: 18px;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .9);
  position: relative;
}
.crt::before, .crt::after {   /* corner ticks */
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
}
.crt::before { top: 8px; left: 8px; border-top: 2px solid var(--green); border-left: 2px solid var(--green); }
.crt::after  { bottom: 8px; right: 8px; border-bottom: 2px solid var(--green); border-right: 2px solid var(--green); }
.crt-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em;
  color: var(--green); margin-bottom: 12px;
}
.crt-head .ch { color: var(--g-2); }
.crt-screen {
  position: relative;
  border-radius: 8px;
  background: #050805;
  overflow: hidden;
}
.crt-screen::after {   /* screen scanlines */
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.22) 0 1px, transparent 1px 3px);
}
.cover-slot { position: relative; display: block; width: 100%; }
.cover-img { display: block; width: 100%; height: auto; }
.cover-ph, .cover-placeholder {
  position: relative;
  aspect-ratio: 2 / 3;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: repeating-linear-gradient(135deg, #0a1109 0 14px, #0e1710 14px 28px);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--g-2);
  padding: 1rem;
}
.cover-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  padding: 26px 18px 14px;
  background: linear-gradient(180deg, transparent, rgba(3,6,4,.92));
}
.cover-caption .tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--green); text-shadow: var(--glow-label); }
.cover-caption .name { font-family: var(--font-display); font-weight: 400; font-size: 26px; text-transform: uppercase; color: var(--light); line-height: 1.05; margin-top: 4px; }
.crt-foot {
  display: flex; justify-content: space-between; gap: 10px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em;
  color: var(--g-2); margin-top: 12px;
}
.hazard-tab {
  position: absolute; top: 26px; right: -6px; z-index: 5;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; font-weight: 700;
  color: #0a0a0a; padding: 6px 12px;
  background: repeating-linear-gradient(45deg, var(--hazard) 0 8px, #0a0a0a 8px 16px);
}

/* ============================================================= *
 *  Catalog grid (Home manifest)
 * ============================================================= */
.catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.cat-card { text-decoration: none; display: block; }
.cat-cover {
  position: relative; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  transition: border-color .18s;
}
.cat-cover img { display: block; width: 100%; height: auto; }
.cat-tag {
  position: absolute; top: 8px; left: 8px; z-index: 2;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; color: var(--green);
  background: rgba(3,6,4,.7); padding: 2px 6px;
}
.cat-meta { padding: 10px 2px 0; }
.cat-meta .t { font-family: var(--font-display); font-size: 15px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); transition: color .18s; }
.cat-meta .p { font-family: var(--font-mono); font-size: 12px; color: var(--green); margin-top: 3px; }
.cat-card:hover .cat-cover { border-color: var(--line-hi); }
.cat-card:hover .cat-meta .t { color: var(--green); }

/* ============================================================= *
 *  CTA band
 * ============================================================= */
.cta-band {
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: linear-gradient(180deg, #080c08, #04060a);
  margin-top: 64px;
}
.cta-band .inner { max-width: var(--maxw); margin: 0 auto; padding: 56px 24px; text-align: center; }
.cta-band h2 { font-size: 38px; letter-spacing: .06em; color: var(--light); margin-bottom: 14px; }
.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 26px; }

/* ============================================================= *
 *  Buttons
 * ============================================================= */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid var(--green);
  color: var(--green);
  transition: background .15s, color .15s;
}
.btn:hover { background: rgba(93, 255, 139, .1); }
.btn-solid {
  background: var(--green);
  color: var(--on-green);
  box-shadow: var(--glow-btn);
}
.btn-solid:hover { background: #7bffa2; color: var(--on-green); }

/* ============================================================= *
 *  Book detail
 * ============================================================= */
.crumb { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--g-2); padding: 28px 0 0; }
.crumb a { color: var(--g-1); text-decoration: none; }
.product {
  display: grid; grid-template-columns: .85fr 1.15fr; gap: 52px;
  padding: 30px 0 20px; align-items: start;
}
.product h1 { font-size: 52px; letter-spacing: .1em; color: var(--light); margin: 0 0 12px; }
.byline { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--muted-2); margin-bottom: 16px; }
.meta-row { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--g-1); margin-bottom: 22px; }
.blurb { color: var(--muted); max-width: 60ch; margin: 0 0 20px; }
.buybox {
  border: 1px solid var(--line-em); background: var(--panel-2);
  padding: 24px; margin-top: 24px;
}
.buybox .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--g-1); }
.buybox .price { font-family: var(--font-display); font-weight: 400; font-size: 34px; color: var(--green); text-shadow: var(--glow-label); margin: 2px 0 18px; }
.buybox .btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.trustline { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--g-2); }
.retailers { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }
.start-free { display: inline-block; margin-top: 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--g-1); text-decoration: none; }
.start-free:hover { color: var(--green); }

/* ============================================================= *
 *  Series
 * ============================================================= */
.series-head { padding: 48px 0 8px; max-width: 760px; }
.series-head h1 { font-size: 54px; letter-spacing: .1em; color: var(--light); margin: 0 0 16px; }
.series-head p { color: var(--muted); }
.bundle {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
  border: 1px solid var(--line-hi);
  background: linear-gradient(120deg, rgba(93,255,139,.07), transparent);
  padding: 22px 24px; margin: 28px 0;
}
.bundle .txt { font-family: var(--font-display); font-size: 20px; text-transform: uppercase; letter-spacing: .05em; color: var(--light-2); }
.bundle .txt b { color: var(--green); font-weight: 500; }
.bundle .txt s { color: var(--g-2); }
.book-rows { border: 1px solid var(--line); }
.brow {
  display: grid; grid-template-columns: 56px 78px 1fr auto; gap: 20px; align-items: center;
  padding: 18px 22px; text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: background .15s;
}
.book-rows .brow:last-child { border-bottom: none; }
.brow:hover { background: #0a120b; }
.brow .num { font-family: var(--font-mono); font-size: 13px; color: var(--g-2); letter-spacing: .1em; }
.brow .mini { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.brow .mini img { display: block; width: 100%; height: auto; }
.brow .mini .cover-ph, .brow .mini .cover-placeholder { font-size: 8px; padding: 4px; }
.brow .bt { font-family: var(--font-display); font-size: 19px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); transition: color .15s; }
.brow:hover .bt { color: var(--green); text-shadow: var(--glow-label); }
.brow .bl { font-family: var(--font-mono); font-size: 11px; color: var(--g-2); margin-top: 4px; letter-spacing: .04em; }
.brow .chip { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--green); border: 1px solid var(--line-em); padding: 7px 14px; white-space: nowrap; }

/* ---- Manifest / info panels (Free page) ---- */
.panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 8px 0 0; }
.panel {
  border: 1px solid var(--line); background: var(--panel-2); padding: 22px;
}
.panel .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--green); margin-bottom: 10px; }
.panel .v { color: var(--muted); font-size: 15px; }

/* ============================================================= *
 *  Footer
 * ============================================================= */
.site-footer {
  border-top: 1px solid var(--divider);
  margin-top: 8px;
}
.site-footer .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 34px 24px 48px;
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--g-2);
}
.site-footer a { color: var(--g-2); text-decoration: none; }
.site-footer a:hover { color: var(--green); }

/* ============================================================= *
 *  Catalog placeholder cards ("coming soon")
 * ============================================================= */
.cat-card.is-placeholder { pointer-events: none; }
.cat-card.is-placeholder .cat-cover img { filter: grayscale(.5) brightness(.4); }
.cat-card.is-placeholder .cat-cover::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, rgba(0,0,0,.4) 0 10px, rgba(0,0,0,.55) 10px 20px);
}
.cat-cover .soon {
  position: absolute; z-index: 3; left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; color: var(--g-1);
  border: 1px solid var(--line-em); padding: 5px 10px; background: rgba(3,6,4,.85); white-space: nowrap;
}
.cat-card.is-placeholder .cat-meta .t { color: var(--g-2); }
.cat-card.is-placeholder .cat-meta .p { color: var(--g-3); }

/* ============================================================= *
 *  Capture messages (inline, no page leave)
 * ============================================================= */
.capture-msg { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; margin: 10px 0 0; min-height: 1em; }
.capture-msg:empty { margin: 0; }
.capture-msg.is-info { color: var(--g-2); }
.capture-msg.is-warn { color: var(--hazard); }
.capture-msg.is-err  { color: #ff6b6b; }
.capture button:disabled { opacity: .6; cursor: progress; }

/* ============================================================= *
 *  Free-unit landing page (centered LP — distinct from Home)
 * ============================================================= */
/* Plain centered block (NOT flexbox): block children fill the column width and
   wrap text at the viewport naturally — avoids flex cross-axis content sizing
   that let long lines overflow narrow screens. */
.lp {
  max-width: 820px; margin: 0 auto; padding: 56px 24px 8px;
  text-align: center;
}
.lp .eyebrow { margin-bottom: 14px; }
.lp h1 { font-size: 54px; line-height: 1.02; letter-spacing: .1em; color: var(--light); margin: 0 auto 20px; max-width: 15ch; }
.lp .lede { font-size: 18px; color: var(--muted); max-width: 60ch; margin: 0 auto 36px; }
.lp .lp-cover { width: 340px; max-width: 100%; margin: 0 auto 34px; }
.lp-capture { max-width: 480px; margin: 0 auto; }
.lp-capture form { justify-content: center; }
.lp-capture .btn-solid { white-space: nowrap; }
.lp-capture .note { text-align: center; color: var(--g-2); }
.lp-steps {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 26px;
  margin: 30px 0 4px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .05em; color: var(--g-1);
}
.lp-steps .step { display: flex; align-items: center; gap: 10px; }
.lp-steps .n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border: 1px solid var(--line-em); color: var(--green);
  font-size: 12px;
}
.section-label.center { justify-content: center; }
.section-label.center .hair { display: none; }

/* ============================================================= *
 *  Book-detail interior gallery
 * ============================================================= */
.gallery-sec { margin-top: 64px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery .shot {
  position: relative; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  background: #050805; aspect-ratio: 3 / 4;
}
.gallery .shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.gallery .shot-ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 4px;
  background: repeating-linear-gradient(135deg, #0a1109 0 14px, #0e1710 14px 28px);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--g-2);
}
.blurb.is-placeholder { color: var(--g-2); font-style: italic; }

/* utility spacing */
.section-pad { padding: 56px 0; }

/* ============================================================= *
 *  Responsive
 * ============================================================= */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 40px 24px; }
  .hero h1 { font-size: 44px; }
  .product { grid-template-columns: 1fr; gap: 32px; }
  .faux-search { display: none; }
  .mainnav { gap: 16px; }
  .panels { grid-template-columns: 1fr; }
  .brow { grid-template-columns: 40px 60px 1fr; }
  .brow .chip { grid-column: 2 / -1; justify-self: start; }
  .catalog { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .lp h1 { font-size: 40px; }
}
@media (max-width: 620px) {
  .site-header .inner { flex-wrap: wrap; }
  .brand-link .word { font-size: 19px; letter-spacing: .38em; }
  .hero h1 { font-size: 36px; }
  .product h1, .series-head h1, .cta-band h2 { font-size: 30px; }
  .lp h1 { font-size: 32px; }
  .lp { padding-top: 36px; }
  .lp .lp-cover { width: 260px; }
  .status-strip .right { display: none; }
  .capture form { flex-direction: column; align-items: stretch; }
  .capture .btn-solid { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  body::after, .status-strip .led { animation: none; }
}