/* Briosso · QA for AI-built software — cinematic one-pager */

:root {
  --bg: #0b0c0f;
  --fg: #e8e5dc;
  --dim: #8a8579;
  --faint: #4a4d56;
  --line: #1d2027;
  --red: #e06c75;
  --green: #86c47c;
  --accent: #d4915d;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Archivo", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(212, 145, 93, 0.35); }

.mono { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; }

/* ── screen-reader / crawler content ─────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── canvas backdrop ─────────────────────────────── */
#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main, header, footer { position: relative; z-index: 1; }

/* ── nav ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 18px clamp(20px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(11,12,15,0.85), transparent);
}
.nav-right { display: flex; align-items: center; gap: 18px; }
.slots { font-size: 11.5px; color: var(--dim); display: flex; align-items: center; gap: 7px; }
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(134,196,124,0.5);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(134,196,124,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(134,196,124,0); }
  100% { box-shadow: 0 0 0 0 rgba(134,196,124,0); }
}

/* ── buttons ─────────────────────────────────────── */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #0b0c0f;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  letter-spacing: 0.2px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 0 24px rgba(212, 145, 93, 0.25);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(212, 145, 93, 0.45); }
.btn-sm { font-size: 12px; padding: 8px 14px; }
.btn-lg { font-size: clamp(14px, 1.6vw, 17px); padding: 16px 32px; margin-top: 34px; }

/* ── sections ────────────────────────────────────── */
.s {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 12vh clamp(20px, 6vw, 72px);
}

.huge {
  font-size: clamp(2.6rem, 10vw, 8.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
  max-width: 12ch;
}
.big {
  font-size: clamp(1.7rem, 4.6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.06;
  margin: 0 0 clamp(10px, 1.6vw, 18px);
}

.red { color: var(--red); }
.green { color: var(--green); }
.accent { color: var(--accent); }

.label {
  font-size: clamp(11px, 1.2vw, 13px);
  color: var(--dim);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin: 0 0 26px;
}
.sub {
  font-size: clamp(12px, 1.4vw, 14px);
  color: var(--dim);
  margin: 30px 0 0;
  line-height: 1.7;
  max-width: 46ch;
}

.sub a { color: var(--fg); text-decoration: none; border-bottom: 1px dashed rgba(138,133,121,0.5); }
.sub a:hover { color: var(--accent); }

.scroll-hint {
  position: absolute;
  bottom: 30px;
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 2px;
}
.s-hero { position: relative; }

/* incidents / checks */
.incidents, .checks {
  margin-top: 40px;
  font-size: clamp(12px, 1.5vw, 15px);
  line-height: 2.1;
  text-align: left;
}
.incidents p, .checks p { margin: 0; }
.x { color: var(--red); margin-right: 10px; }
.ok { color: var(--green); margin-right: 10px; }
.dimline { color: var(--faint); margin-top: 10px !important; }

/* glitch — class toggled by ScrollTrigger */
.glitching {
  animation: glitch 0.42s steps(2, end) infinite;
}
@keyframes glitch {
  0%   { transform: translate(0, 0) skewX(0deg); text-shadow: none; }
  20%  { transform: translate(-3px, 1px) skewX(-1.2deg); text-shadow: 3px 0 rgba(108,182,255,0.55), -3px 0 rgba(224,108,117,0.7); }
  40%  { transform: translate(2px, -1px) skewX(0.8deg); text-shadow: -4px 0 rgba(224,108,117,0.7); }
  60%  { transform: translate(0, 0) skewX(0deg); text-shadow: none; }
  80%  { transform: translate(1px, 1px) skewX(-0.4deg); text-shadow: 2px 0 rgba(108,182,255,0.4); }
  100% { transform: translate(0, 0) skewX(0deg); text-shadow: none; }
}

/* offer */
.offer-lines { max-width: 900px; }
.chips {
  margin-top: 38px;
  font-size: clamp(11px, 1.3vw, 13px);
  color: var(--dim);
  letter-spacing: 0.5px;
}

/* proof counter */
.counter-row { display: flex; align-items: baseline; gap: clamp(14px, 3vw, 30px); }
.counter {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: clamp(4.5rem, 18vw, 15rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.counter .unit {
  font-size: 0.22em;
  color: var(--dim);
  font-weight: 500;
  margin-left: 0.2em;
}
.delta {
  color: var(--green);
  font-size: clamp(14px, 2.4vw, 26px);
  font-weight: 700;
}

/* process */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 64px);
  max-width: 1080px;
  text-align: left;
}
.steps .n { color: var(--accent); font-size: 13px; }
.steps h2 {
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 10px 0 8px;
}
.steps p { color: var(--dim); font-size: 14.5px; line-height: 1.65; margin: 0; max-width: 30ch; }
.steps li { border-top: 1px solid var(--line); padding-top: 22px; }

/* footer */
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 26px clamp(20px, 4vw, 48px);
  font-size: 11.5px;
  color: var(--faint);
  border-top: 1px solid var(--line);
}
.foot-links { display: flex; gap: 20px; }
.foot a { color: var(--dim); text-decoration: none; border-bottom: 1px dashed rgba(138,133,121,0.35); }
.foot a:hover { color: var(--fg); }

/* split-type lines mask */
.js [data-split] .line { overflow: hidden; }

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; }
  .slots { display: none; }
  .incidents, .checks { line-height: 1.9; }
}

@media (prefers-reduced-motion: reduce) {
  .glitching, .pulse { animation: none; }
}