/* ============================================================
   KiNecta — main.css
   Dark "engineering lab" design system. No external dependencies.
   ============================================================ */

:root {
  --bg:      #0b0f17;
  --bg-soft: #0d1424;
  --panel:   #121a2b;
  --panel-2: #16203a;
  --line:    rgba(148, 170, 210, .14);
  --line-2:  rgba(148, 170, 210, .26);

  --text:    #e8eef7;
  --muted:   #97a5ba;
  --faint:   #66748c;

  --accent:  #3ddc97;
  --accent-dim: rgba(61, 220, 151, .12);
  --blue:    #5eb1ff;
  --copper:  #e8a15c;
  --red:     #ff7a8a;

  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 14px;
  --shadow: 0 18px 50px rgba(2, 6, 16, .55);
  --maxw: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(94, 177, 255, .07), transparent 60%),
    radial-gradient(900px 480px at -10% 8%, rgba(61, 220, 151, .06), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .86em; background: rgba(94, 177, 255, .1); border: 1px solid var(--line); padding: .1em .4em; border-radius: 6px; color: #c4dcff; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: #05251a; padding: .5rem 1rem; border-radius: 0 0 8px 0; z-index: 200; }
.skip:focus { left: 0; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }
.center { justify-content: center; text-align: center; }

/* ---------- typography ---------- */
h1, h2, h3 { line-height: 1.18; letter-spacing: -.015em; margin: 0 0 .55em; font-weight: 700; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.14rem; }
h1 em { font-style: normal; color: var(--accent); }
p { margin: 0 0 1em; }

.eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .8rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(61,220,151,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(61,220,151,.55); } 70% { box-shadow: 0 0 0 10px rgba(61,220,151,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); } }

.lede { font-size: 1.13rem; color: var(--muted); max-width: 56ch; }
.lede strong { color: var(--text); font-weight: 600; }
.section-lede { color: var(--muted); max-width: 64ch; margin-bottom: 2.2rem; }
.footnote { color: var(--faint); font-size: .88rem; max-width: 72ch; }
.footnote.center { margin-inline: auto; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 15, 23, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav.scrolled { box-shadow: 0 10px 30px rgba(2,6,16,.45); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 66px; display: flex; align-items: center; gap: 1.4rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); font-weight: 700; font-size: 1.12rem; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-name span { color: var(--accent); }
.brand-mark { color: var(--accent); flex: none; }
.nav-links { display: flex; gap: 1.35rem; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { display: flex; gap: .6rem; align-items: center; margin-left: .4rem; }
.nav-burger { display: none; background: none; border: 1px solid var(--line-2); border-radius: 8px; padding: .45rem .55rem; cursor: pointer; }
.nav-burger span { display: block; width: 18px; height: 2px; background: var(--text); margin: 3px 0; border-radius: 2px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: 600 .95rem/1.2 var(--sans);
  padding: .68rem 1.15rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: .85rem 1.5rem; font-size: 1.02rem; }
.btn-primary { background: linear-gradient(180deg, #45e6a2, #2fc484); color: #04241a; box-shadow: 0 8px 24px rgba(61,220,151,.25); }
.btn-primary:hover { box-shadow: 0 12px 30px rgba(61,220,151,.38); }
.btn-ghost { background: rgba(148,170,210,.06); color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { background: rgba(148,170,210,.12); border-color: var(--line-2); }

/* ---------- sections ---------- */
.section { padding: 5.4rem 0; }
.section-alt { background: linear-gradient(180deg, rgba(19,27,44,.35), rgba(19,27,44,.05)); border-block: 1px solid var(--line); }
.section-accent {
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(61,220,151,.08), transparent 60%),
    linear-gradient(180deg, rgba(22,32,58,.5), rgba(13,20,36,.2));
  border-block: 1px solid var(--line);
}
.section-privacy { padding: 4rem 0; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.2rem; align-items: start; }

/* ---------- hero ---------- */
.hero { padding: 4.6rem 0 3.6rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 3.4rem; align-items: center; }
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; margin: 1.8rem 0 1.4rem; }
.hero-chips { list-style: none; display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; margin: 0; }
.chip { font-family: var(--mono); font-size: .74rem; color: var(--muted); border: 1px solid var(--line-2); padding: .32rem .6rem; border-radius: 999px; background: rgba(148,170,210,.05); }

/* window mockup */
.window { background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.window-bar { display: flex; align-items: center; gap: .5rem; padding: .6rem .9rem; border-bottom: 1px solid var(--line); background: rgba(10,15,26,.6); }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.r { background: #ff5f6a; } .dot.y { background: #ffbd2e; } .dot.g { background: #28c840; }
.window-title { font: 500 .74rem var(--mono); color: var(--muted); margin-left: .4rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.window-badge { margin-left: auto; font: 500 .66rem var(--mono); color: var(--accent); border: 1px solid rgba(61,220,151,.4); border-radius: 999px; padding: .18rem .5rem; white-space: nowrap; }
.window-body { position: relative; padding: .8rem; }
.board { display: block; width: 100%; height: auto; }

.review-card {
  position: absolute; right: 1.1rem; bottom: 1.1rem; width: 228px;
  background: rgba(13, 20, 36, .96);
  border: 1px solid rgba(61,220,151,.45);
  border-radius: 12px; padding: .8rem .9rem;
  box-shadow: 0 16px 40px rgba(2,6,16,.6);
}
.review-card header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .35rem; }
.review-tag { font: 700 .6rem var(--mono); letter-spacing: .1em; color: var(--accent); }
.review-client { font: 500 .64rem var(--mono); color: var(--faint); }
.review-title { font-weight: 650; font-size: .92rem; margin: 0 0 .45rem; }
.review-diff { list-style: none; margin: 0 0 .65rem; padding: 0; font: 400 .68rem/1.7 var(--mono); color: var(--muted); }
.review-diff .add { color: var(--accent); font-weight: 700; margin-right: .3rem; }
.review-diff .info { color: var(--blue); margin-right: .3rem; }
.review-actions { display: flex; gap: .45rem; }
.btn-approve { background: var(--accent); color: #04241a; border: none; padding: .38rem .8rem; border-radius: 8px; font: 650 .78rem var(--sans); cursor: pointer; }
.btn-reject { background: transparent; color: var(--muted); border: 1px solid var(--line-2); padding: .38rem .8rem; border-radius: 8px; font: 600 .78rem var(--sans); cursor: pointer; }
.hero-caption { color: var(--faint); font-size: .84rem; margin: .9rem 0 0; text-align: center; }

/* terminal */
.hero-terminal { margin-top: 3.2rem; }
.term { background: #070b12; border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: .5rem; padding: .55rem .9rem; border-bottom: 1px solid var(--line); }
.term-title { font: 500 .72rem var(--mono); color: var(--faint); margin-left: .4rem; }
.term-body { margin: 0; padding: 1.05rem 1.25rem; font: 400 .82rem/1.85 var(--mono); color: #c9d6ea; overflow-x: auto; min-height: 17.2rem; }
.c-dim { color: #61708c; } .c-ok { color: var(--accent); } .c-str { color: var(--copper); }

/* ---------- cards ---------- */
.cards { display: grid; gap: 1.15rem; margin-top: .5rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  transition: transform .16s ease, border-color .16s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-2); }
.card h3 { margin-bottom: .45rem; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card-icon {
  width: 44px; height: 44px; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--accent-dim); border: 1px solid rgba(61,220,151,.3);
  color: var(--accent); margin-bottom: 1rem;
}
.card-icon svg { width: 24px; height: 24px; }

/* ---------- timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 21px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(180deg, var(--accent), rgba(61,220,151,.06)); }
.t-step { display: flex; gap: 1.35rem; padding: .95rem 0; position: relative; }
.t-num {
  flex: none; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 .8rem var(--mono); color: var(--accent);
  background: var(--bg); border: 1px solid rgba(61,220,151,.45);
  box-shadow: 0 0 0 5px var(--bg);
  z-index: 1;
}
.t-step h3 { margin-bottom: .25rem; }
.t-step p { color: var(--muted); margin: 0; max-width: 62ch; }

/* ---------- check list ---------- */
.check-list { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: .9rem; }
.check-list li { padding-left: 1.9rem; position: relative; color: var(--muted); }
.check-list li strong { color: var(--text); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .32em;
  width: 15px; height: 15px; border-radius: 4px;
  border: 1.5px solid var(--accent);
  background: var(--accent-dim);
}
.check-list li::after {
  content: ""; position: absolute; left: 4.4px; top: .58em; width: 7px; height: 4px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.privacy-list { margin-top: 2.4rem; }

/* ---------- code panel ---------- */
.code-panel { background: #070b12; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.code-panel-bar { padding: .55rem .95rem; border-bottom: 1px solid var(--line); font: 500 .72rem var(--mono); color: var(--faint); }
.code-panel-body { margin: 0; padding: 1.05rem 1.2rem; font: 400 .82rem/1.9 var(--mono); color: #c9d6ea; overflow-x: auto; }

/* ---------- interop ---------- */
.format-row { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0 2.2rem; }
.format-row div { border: 1px solid var(--line-2); background: var(--panel); border-radius: 10px; padding: .6rem .95rem; display: grid; gap: .15rem; }
.format-row code { background: none; border: none; padding: 0; color: var(--accent); font-size: .92rem; }
.format-row small { color: var(--faint); font-family: var(--mono); font-size: .68rem; letter-spacing: .04em; }

.interop-tableWrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.interop-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 720px; }
.interop-table th, .interop-table td { text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.interop-table thead th { font: 600 .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: rgba(10,15,26,.5); }
.interop-table tbody tr:last-child td { border-bottom: none; }
.interop-table td.mono { font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.tier { font: 600 .62rem var(--mono); color: var(--blue); border: 1px solid rgba(94,177,255,.4); border-radius: 999px; padding: .1rem .45rem; margin-left: .4rem; vertical-align: middle; white-space: nowrap; }
.pill { font: 650 .68rem var(--mono); border-radius: 999px; padding: .22rem .6rem; white-space: nowrap; }
.pill.ok { color: var(--accent); background: var(--accent-dim); border: 1px solid rgba(61,220,151,.35); }
.pill.no { color: var(--faint); background: rgba(148,170,210,.06); border: 1px solid var(--line); }
.pill.soon { color: var(--copper); background: rgba(232,161,92,.1); border: 1px solid rgba(232,161,92,.35); }
.interop-tableWrap + .footnote { margin-top: 1rem; }

/* ---------- fee card ---------- */
.fee-card { background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 1.6rem 1.6rem 1.3rem; box-shadow: var(--shadow); }
.fee-card h3 { font-size: 1rem; color: var(--muted); font-weight: 600; }
.fee-lines { margin: 1rem 0 .9rem; display: grid; gap: .75rem; }
.fee-lines > div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px dashed var(--line); padding-bottom: .7rem; }
.fee-lines dt { color: var(--muted); }
.fee-lines dd { margin: 0; font-family: var(--mono); }
.fee-pct { color: var(--accent); font-size: .8em; }
.fee-strong { color: var(--accent); font-weight: 700; font-size: 1.2rem; }
.fee-note { color: var(--faint); font-size: .82rem; margin: 0; }

/* ---------- download ---------- */
.dl { text-align: center; display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.dl h3 { margin: 0; }
.dl-sub { color: var(--faint); font-family: var(--mono); font-size: .78rem; margin: 0 0 .9rem; }
.dl .btn { width: 100%; }
.dl-note { color: var(--faint); font-size: .78rem; margin-top: .9rem; line-height: 1.5; }
.cli-strip {
  margin-top: 2.2rem; border: 1px dashed var(--line-2); border-radius: var(--radius);
  padding: 1.4rem 1.6rem; display: flex; gap: 2rem; align-items: center; justify-content: space-between;
  background: rgba(10,15,26,.4); flex-wrap: wrap;
}
.cli-strip h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.cli-strip p { margin: 0; color: var(--muted); font-size: .92rem; }
.cli-cmds { margin: 0; flex: 1 1 380px; max-width: 560px; background: #070b12; border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1.1rem; font: 400 .8rem/1.8 var(--mono); color: #c9d6ea; overflow-x: auto; }
.dl-pending { margin-top: 1.4rem; color: var(--copper); background: rgba(232,161,92,.08); border: 1px solid rgba(232,161,92,.3); border-radius: 10px; padding: .8rem 1.1rem; font-size: .92rem; }

/* ---------- pricing ---------- */
.price { position: relative; display: flex; flex-direction: column; }
.price h3 { font-size: 1.25rem; margin-bottom: .2rem; }
.price-amt { font-size: 2.3rem; font-weight: 800; letter-spacing: -.02em; margin: .3rem 0 1.1rem; }
.price-amt span { font-size: .95rem; font-weight: 500; color: var(--faint); letter-spacing: 0; }
.price-list { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .6rem; flex: 1; }
.price-list li { color: var(--muted); font-size: .93rem; padding-left: 1.5rem; position: relative; }
.price-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.price-featured { border-color: rgba(61,220,151,.5); box-shadow: 0 20px 60px rgba(61,220,151,.13); }
.price-flag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #04241a; font: 700 .68rem var(--mono); letter-spacing: .08em; border-radius: 999px; padding: .25rem .75rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .8rem; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0; overflow: hidden; }
.faq details[open] { border-color: var(--line-2); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.05rem 1.3rem; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.4rem var(--mono); color: var(--accent); transition: transform .15s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 1.3rem 1.15rem; color: var(--muted); }

/* ---------- CTA / footer ---------- */
.cta { padding: 5.6rem 0; text-align: center; background: radial-gradient(600px 300px at 50% 100%, rgba(61,220,151,.1), transparent 70%); }
.cta h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.cta p { color: var(--muted); }
.cta .hero-actions { justify-content: center; }

.footer { border-top: 1px solid var(--line); background: #080c14; padding: 3.2rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.4rem; }
.footer-brand p { color: var(--faint); font-size: .88rem; margin-top: .9rem; max-width: 34ch; }
.footer nav { display: grid; gap: .55rem; align-content: start; }
.footer h4 { margin: 0 0 .5rem; font: 600 .72rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.footer nav a { color: var(--faint); font-size: .9rem; }
.footer nav a:hover { color: var(--text); }
.footer-legal { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 2.6rem; padding-top: 1.3rem; border-top: 1px solid var(--line); }
.footer-legal p { margin: 0; color: var(--faint); font-size: .8rem; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 2.6rem; }
  .cards-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .hide-sm { display: none; }
  .cards-3 { grid-template-columns: 1fr; }
  .section { padding: 3.8rem 0; }
  .hero { padding-top: 3rem; }
  .nav-links {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    background: rgba(9,13,21,.98); border-bottom: 1px solid var(--line);
    padding: 1rem 24px 1.4rem; margin: 0;
    flex-direction: column; gap: .9rem;
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; order: 5; }
  .nav-inner { position: relative; }
  .review-card { width: 200px; right: .8rem; bottom: .8rem; }
  .cli-strip { flex-direction: column; align-items: stretch; }
}