/* ============================================================
   KOUNTER — Landing page styles
   Built on Kronika tokens (kronika.css). Direction: roboflow-line
   technical / demo-forward, light w/ dark feature sections.
   ============================================================ */

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

html { scroll-behavior: smooth; }

:root {
  --ink:        #17181a;            /* headline ink, slightly deeper than k-secondary */
  --ink-2:      var(--k-secondary); /* body ink */
  --muted:      var(--k-gray-2);
  --line:       var(--k-gray-1);
  --line-soft:  #ededed;
  --blue:       var(--k-primary);
  --blue-ink:   #0c4296;
  --blue-tint:  #eef3fc;
  --canvas:     #ffffff;
  --canvas-2:   #f7f8fa;

  /* dark feature sections */
  --dark:       #0c0e13;
  --dark-2:     #14171f;
  --dark-3:     #1b1f29;
  --dark-line:  rgba(255,255,255,0.10);
  --dark-line-2:rgba(255,255,255,0.16);
  --on-dark:    #f3f5f8;
  --on-dark-mut:#9aa3b2;
  --hud:        #00eb4b;           /* live mono accent */

  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--blue); color: #fff; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 11vw, 132px); }
.section--tight { padding-block: clamp(56px, 8vw, 96px); }

.dark-section {
  background: var(--dark);
  color: var(--on-dark);
}
.dark-section .eyebrow { color: #6ea8ff; }
.dark-section h2, .dark-section h3 { color: #fff; }
.alt { background: var(--canvas-2); }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  opacity: .55;
}

h1, h2, h3 { color: var(--ink); font-weight: 700; margin: 0; }

.h-display {
  font-size: clamp(40px, 6.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
}
h2.h-sec {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 18ch;
}
h3 { font-size: clamp(20px, 2.2vw, 25px); letter-spacing: -0.015em; line-height: 1.2; }

.lead {
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 58ch;
}
.dark-section .lead { color: var(--on-dark-mut); }
.muted { color: var(--muted); }
.dark-section .muted { color: var(--on-dark-mut); }

.mono { font-family: var(--font-mono); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em;
  height: 50px; padding-inline: 24px;
  border-radius: 9px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--dur-normal) var(--ease-out-cubic),
              border-color var(--dur-normal) var(--ease-out-cubic),
              color var(--dur-normal) var(--ease-out-cubic),
              transform var(--dur-quickly) ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--canvas-2); border-color: var(--muted); }
.dark-section .btn-ghost, .nav .btn-ghost { }
.btn-on-dark { background: #fff; color: var(--dark); }
.btn-on-dark:hover { background: #e6ebf3; }
.btn-ghost-dark { background: transparent; color: #fff; border-color: var(--dark-line-2); }
.btn-ghost-dark:hover { background: rgba(255,255,255,.07); }
.btn-sm { height: 42px; padding-inline: 18px; font-size: 14px; border-radius: 8px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal);
}
.nav.is-stuck { border-color: var(--line); box-shadow: 0 1px 0 rgba(0,0,0,.02); }
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter);
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark { width: 28px; height: 28px; flex: none; }
.brand__name { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }
.brand__by { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; color: var(--muted); text-transform: uppercase; margin-top: 2px; }
.nav__links { display: flex; gap: 28px; margin-left: 12px; }
.nav__links a { font-size: 15px; font-weight: 500; color: var(--ink-2); transition: color var(--dur-quickly); }
.nav__links a:hover { color: var(--blue); }
.nav__cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(40px, 6vw, 72px); text-align: center; }
.hero .lead { margin: 26px auto 0; }
.hero__cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.hero__note { margin-top: 20px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .5px; color: var(--muted); }
.hero__note b { color: var(--ink-2); font-weight: 600; }

/* ---------- live demo frame ---------- */
.demo {
  margin-top: clamp(40px, 6vw, 64px);
  border-radius: 16px;
  background: var(--dark);
  box-shadow: var(--el-10), 0 40px 80px -40px rgba(12,14,19,.5);
  overflow: hidden;
  border: 1px solid var(--dark-line);
}
.demo__bar {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--dark-line);
  background: var(--dark-2);
  font-family: var(--font-mono); font-size: 13px;
  color: var(--on-dark-mut);
}
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--hud); box-shadow: 0 0 0 0 rgba(0,235,75,.6); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(0,235,75,.5)} 70%{box-shadow:0 0 0 7px rgba(0,235,75,0)} 100%{box-shadow:0 0 0 0 rgba(0,235,75,0)} }
.demo__bar .tag { color: #fff; font-weight: 600; letter-spacing: .5px; }
.demo__bar .sep { opacity: .4; }
.demo__bar .right { margin-left: auto; display: flex; gap: 16px; }

.demo__body { display: grid; grid-template-columns: 1fr 248px; }
.demo__video { position: relative; background: #000; min-height: 320px; overflow: hidden; }
.demo__video img { width: 100%; height: 100%; object-fit: cover; opacity: .98; }
.demo__scan { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0,0,0,.18), transparent 22%, transparent 78%, rgba(0,0,0,.28)); }

.demo__panel {
  background: var(--dark-2);
  border-left: 1px solid var(--dark-line);
  padding: 22px 22px 26px;
  display: flex; flex-direction: column;
}
.panel-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--on-dark-mut); margin: 0 0 8px; }
.panel-count { font-family: var(--font-mono); font-weight: 700; font-size: 38px; letter-spacing: -1px; color: #fff; line-height: 1; font-variant-numeric: tabular-nums; }
.panel-count .unit { font-size: 13px; font-weight: 500; color: var(--on-dark-mut); letter-spacing: 0; margin-left: 6px; }
.panel-rate { font-family: var(--font-mono); font-size: 12px; color: var(--hud); margin-top: 9px; letter-spacing: .3px; }
.panel-rule { height: 1px; background: var(--dark-line); margin: 22px 0; }
.panel-stats { display: flex; flex-direction: column; gap: 14px; }
.pstat { display: flex; align-items: baseline; justify-content: space-between; font-family: var(--font-mono); font-size: 13px; }
.pstat .k { color: var(--on-dark-mut); letter-spacing: .5px; }
.pstat .v { color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }
.pstat .v.ok { color: var(--hud); }

/* ---------- trust strip ---------- */
.trust { border-block: 1px solid var(--line); background: var(--canvas); }
.trust__inner { display: flex; align-items: center; gap: clamp(24px,5vw,72px); flex-wrap: wrap; padding-block: 30px; }
.trust__label { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); max-width: 14ch; line-height: 1.4; }
.trust__stats { display: flex; gap: clamp(28px,5vw,64px); flex-wrap: wrap; margin-left: auto; }
.tstat .n { font-size: clamp(26px,3.2vw,34px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.tstat .n .pre { color: var(--blue); }
.tstat .l { font-size: 13px; color: var(--muted); margin-top: 3px; }

/* ---------- generic section header ---------- */
.sec-head { max-width: 720px; }
.sec-head .lead { margin-top: 22px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .lead { margin-inline: auto; }

/* ---------- problem cards ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px,5vw,72px); align-items: center; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 44px; }
.pcard {
  border: 1px solid var(--line); border-radius: 14px; padding: 28px 26px; background: var(--canvas);
  position: relative; transition: border-color var(--dur-normal), box-shadow var(--dur-normal), transform var(--dur-normal);
}
.pcard:hover { border-color: var(--blue); box-shadow: var(--el-4); transform: translateY(-2px); }
.pcard__tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--k-red); display: flex; align-items: center; gap: 8px; }
.pcard__tag .dt { width: 7px; height: 7px; border-radius: 2px; background: var(--k-red); }
.pcard h3 { margin: 12px 0 10px; }
.pcard p { margin: 0; font-size: 15.5px; color: var(--ink-2); }
.pcard ul { margin: 14px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 9px; }
.pcard li { font-size: 14.5px; color: var(--muted); padding-left: 20px; position: relative; }
.pcard li::before { content: "—"; position: absolute; left: 0; color: var(--k-red); }

.media-frame { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--el-3); position: relative; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-cap { position: absolute; left: 14px; bottom: 12px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .5px; color: #fff; background: rgba(12,14,19,.62); padding: 5px 10px; border-radius: 6px; backdrop-filter: blur(4px); }

/* ---------- how it works steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 52px; }
.step { }
.step__img { border-radius: 13px; overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4/3; position: relative; background: var(--canvas-2); }
.step__img img { width: 100%; height: 100%; object-fit: cover; }
.step__n { position: absolute; top: 12px; left: 12px; font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: 1px; color: #fff; background: var(--blue); padding: 5px 10px; border-radius: 6px; }
.step h3 { margin: 20px 0 9px; font-size: 21px; }
.step p { margin: 0; font-size: 15.5px; color: var(--ink-2); }

/* step 03 — "determina" data tile (custom, on-brand) */
.step__viz { background: var(--canvas); display: flex; flex-direction: column; padding: 20px 20px 18px; }
.vz-live { position: absolute; top: 14px; right: 14px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--k-bus); display: flex; align-items: center; gap: 6px; font-weight: 600; }
.vz-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--k-green); }
.vz-jb { margin-top: 30px; }
.vz-cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.vz-num { display: flex; align-items: baseline; gap: 10px; margin-top: 4px; }
.vz-num b { font-size: clamp(34px, 5vw, 42px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1; }
.vz-num b span { font-size: 18px; color: var(--muted); margin-left: 3px; font-weight: 500; }
.vz-tag { font-size: 11px; font-weight: 700; color: #fff; background: var(--k-bus); padding: 3px 10px; border-radius: 999px; letter-spacing: .3px; }
.vz-range { margin-top: 18px; height: 9px; border-radius: 999px; position: relative; background: linear-gradient(90deg, #f3dada 0 24%, #d8edda 24% 76%, #f3dada 76%); }
.vz-range i { position: absolute; top: 50%; transform: translate(-50%,-50%); width: 16px; height: 16px; border-radius: 50%; background: var(--blue); border: 3px solid #fff; box-shadow: var(--el-2); }
.vz-scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .5px; text-transform: uppercase; color: var(--k-bird); margin-top: 7px; }
.vz-foot { margin-top: auto; padding-top: 16px; display: flex; gap: 26px; border-top: 1px solid var(--line-soft); }
.vz-foot span { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); }
.vz-foot b { font-size: 16px; color: var(--ink); font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.vz-foot b.blue { color: var(--blue); }

/* corner-bracket detection motif */
.brackets { position: absolute; inset: 10px; pointer-events: none; }
.brackets span { position: absolute; width: 18px; height: 18px; border: 2px solid var(--hud); }
.brackets .tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.brackets .tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.brackets .bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.brackets .br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* ---------- tech / specs (dark) ---------- */
.tech-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(36px,5vw,64px); align-items: center; }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); border-radius: 14px; overflow: hidden; margin-top: 8px; }
.spec { background: var(--dark-2); padding: 22px 22px; }
.spec__k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--on-dark-mut); margin: 0 0 8px; display: flex; align-items: center; gap: 8px; }
.spec__v { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.spec__v small { display: block; font-size: 13px; font-weight: 400; color: var(--on-dark-mut); margin-top: 4px; letter-spacing: 0; }
.spec svg { width: 15px; height: 15px; color: #6ea8ff; }

.demo--dark { box-shadow: 0 40px 90px -50px rgba(0,0,0,.8); }

/* ---------- impact / ROI ---------- */
.roi-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; margin-top: 52px; }
.roi {
  border: 1px solid var(--line); border-radius: 16px; padding: 30px 28px; background: var(--canvas);
  display: flex; flex-direction: column; transition: border-color var(--dur-normal), box-shadow var(--dur-normal), transform var(--dur-normal);
}
.roi:hover { border-color: var(--blue); box-shadow: var(--el-5); transform: translateY(-3px); }
.roi--feature { grid-column: span 6; background: var(--blue); border-color: var(--blue); color: #fff; }
.roi--half { grid-column: span 6; }
.roi--third { grid-column: span 4; }
.roi__k { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--blue); margin: 0 0 16px; }
.roi--feature .roi__k { color: rgba(255,255,255,.85); }
.roi__n { font-size: clamp(38px,5vw,56px); font-weight: 700; letter-spacing: -0.03em; line-height: .95; color: var(--ink); font-variant-numeric: tabular-nums; }
.roi--feature .roi__n { color: #fff; }
.roi__sub { font-size: 16px; color: var(--ink-2); margin-top: 14px; }
.roi--feature .roi__sub { color: rgba(255,255,255,.92); }
.roi__sub b { font-weight: 700; }
.roi__foot { margin-top: auto; padding-top: 18px; font-size: 13.5px; color: var(--muted); }
.roi--feature .roi__foot { color: rgba(255,255,255,.7); }

/* ---------- data product / dashboard ---------- */
.dash {
  margin-top: 52px; border-radius: 16px; overflow: hidden; border: 1px solid var(--line);
  background: var(--canvas); box-shadow: var(--el-8);
}
.dash__top { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--canvas); }
.dash__title { font-weight: 700; font-size: 15px; color: var(--ink); letter-spacing: -0.01em; }
.dash__chips { margin-left: auto; display: flex; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .5px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; }
.chip.active { color: #fff; background: var(--blue); border-color: var(--blue); }
.dash__body { display: grid; grid-template-columns: 240px 1fr; }
.dash__side { border-right: 1px solid var(--line); padding: 22px 20px; display: flex; flex-direction: column; gap: 22px; background: var(--canvas-2); }
.kpi__l { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.kpi__v { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi__v .u { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 5px; }
.kpi__d { font-size: 13px; margin-top: 5px; color: var(--k-bus); font-weight: 600; }
.kpi__d.warn { color: var(--blue); }
.dash__main { padding: 24px 26px; }
.chart { width: 100%; height: 300px; }
.chart-legend { display: flex; gap: 20px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.chart-legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }

/* ---------- final CTA ---------- */
.cta-final { text-align: center; }
.cta-final h2 { font-size: clamp(34px,5vw,58px); letter-spacing: -0.03em; line-height: 1.02; color: #fff; max-width: 20ch; margin-inline: auto; }
.cta-final .lead { margin: 24px auto 0; }
.cta-final__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 38px; }
.cta-meta { margin-top: 26px; font-family: var(--font-mono); font-size: 13px; color: var(--on-dark-mut); letter-spacing: .5px; }
.cta-meta a { color: #6ea8ff; }

/* ---------- footer ---------- */
.footer { background: var(--dark); color: var(--on-dark-mut); border-top: 1px solid var(--dark-line); }
.footer__inner { padding-block: 56px 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer .brand__name { color: #fff; }
.footer p { font-size: 14.5px; max-width: 36ch; margin: 18px 0 0; }
.footer h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--on-dark-mut); margin: 0 0 16px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.footer a { color: var(--on-dark); font-size: 14.5px; }
.footer a:hover { color: #6ea8ff; }
.footer__bar { border-top: 1px solid var(--dark-line); padding-block: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .5px; }

/* ---------- reveal animation (progressive enhancement: visible by default) ----------
   Only elements JS marks `.pre` (below the fold at init) start hidden, so above-the-fold
   content always paints — even where compositor transitions are frozen. */
.reveal { opacity: 1; transform: none; }
.reveal.pre { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out-cubic), transform .7s var(--ease-out-cubic); }
.reveal.pre.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal.pre { opacity: 1; transform: none; transition: none; }
  .live-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .nav__links { display: none; }
  .split { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; max-width: 460px; }
  .tech-grid { grid-template-columns: 1fr; }
  .roi--feature, .roi--half, .roi--third { grid-column: span 12; }
  .demo__body { grid-template-columns: 1fr; }
  .demo__panel { border-left: 0; border-top: 1px solid var(--dark-line); flex-direction: row; flex-wrap: wrap; gap: 20px; align-items: center; }
  .demo__panel .panel-rule { display: none; }
  .panel-stats { flex-direction: row; flex-wrap: wrap; gap: 18px; flex: 1; }
  .dash__body { grid-template-columns: 1fr; }
  .dash__side { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--line); }
  .kpi { flex: 1; min-width: 120px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav__cta .btn-ghost { display: none; }
  .hero { padding-top: 48px; }
  .trust__stats { gap: 24px 36px; }
  .footer__inner { grid-template-columns: 1fr; }
  .demo__bar .right { display: none; }
}