/* Bughunter Studio — hand-built design system. No frameworks, no external fonts. */

/* ---------- tokens ---------- */
:root {
  --bg: #FBFCFD;
  --surface: #FFFFFF;
  --surface-2: #EEF3F7;
  --ink: #0F171E;
  --ink-2: #45525F;
  --muted: #6A7885;
  --line: #E2E9EF;
  --line-strong: #CBD5DE;
  --brand: #148FCC;         /* bright logo blue — graphic accents */
  --brand-strong: #0A6699;  /* AA text/links/buttons on light */
  --brand-tint: #E7F3FB;
  --navy: #0A1F2E;          /* deep sections */
  --navy-2: #0E2A3D;
  --on-navy: #DCE7EF;
  --on-navy-mut: #93A7B6;
  --danger: #C23B2C;
  --warn: #B26a06;
  --ok: #157F55;
  --focus: #1E9BE0;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15,23,30,.04), 0 8px 24px -12px rgba(15,23,30,.18);
  --shadow-lg: 0 1px 2px rgba(15,23,30,.05), 0 24px 60px -24px rgba(15,23,30,.28);
  --container: 1140px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.22vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.4vw, 1.45rem);
  --step-2:  clamp(1.45rem, 1.3rem + 0.75vw, 1.95rem);
  --step-3:  clamp(1.75rem, 1.45rem + 1.5vw, 2.7rem);
  --step-4:  clamp(2.1rem, 1.55rem + 2.75vw, 3.5rem);
  --step-5:  clamp(2.5rem, 1.7rem + 4vw, 4.5rem);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #091620;
    --surface: #0E1E2A;
    --surface-2: #12222F;
    --ink: #E9EFF4;
    --ink-2: #AEBCC7;
    --muted: #7E8D99;
    --line: rgba(233,239,244,.11);
    --line-strong: rgba(233,239,244,.2);
    --brand: #38B4EE;
    --brand-strong: #7CCCF3;
    --brand-tint: rgba(56,180,238,.12);
    --navy: #060F16;
    --on-navy: #D6E4EE;
    --on-navy-mut: #8598A6;
    --danger: #E8705F;
    --warn: #E0A340;
    --ok: #4FBE8C;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
    --shadow-lg: 0 1px 2px rgba(0,0,0,.4), 0 28px 70px -28px rgba(0,0,0,.7);
  }
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-sans); font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { line-height: 1.1; font-weight: 680; letter-spacing: -0.02em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: 68ch; }
a { color: var(--brand-strong); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
img, svg { max-width: 100%; height: auto; display: block; }
strong { font-weight: 660; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--brand); color: #fff; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.2rem); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.stack > * + * { margin-top: 1rem; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--brand-strong); color: #fff; padding: .7rem 1rem; z-index: 100; border-radius: 0 0 8px 0; }
.skip:focus { left: 0; }

/* ---------- eyebrow / mono labels ---------- */
.eyebrow {
  font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--brand-strong);
  display: inline-flex; align-items: center; gap: .6rem; margin: 0 0 1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--brand); display: inline-block; }
.lede { font-size: var(--step-1); color: var(--ink-2); max-width: 60ch; line-height: 1.5; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-weight: 640; }
.brand img { height: 40px; width: auto; }
.brand .wordmark { font-size: 1.05rem; letter-spacing: -0.01em; }
.brand .wordmark b { color: var(--brand-strong); }
.nav details { position: relative; }
.nav summary { list-style: none; cursor: pointer; }
.nav summary::-webkit-details-marker { display: none; }
.menu-btn {
  display: none; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .8rem;
  border: 1px solid var(--line-strong); border-radius: 9px; padding: .5rem .8rem; background: var(--surface); color: var(--ink);
}
.nav-links { display: flex; align-items: center; gap: .3rem; list-style: none; margin: 0; padding: 0; }
.nav-links a:not(.btn) {
  color: var(--ink-2); text-decoration: none; font-size: .95rem; padding: .5rem .7rem; border-radius: 8px;
}
.nav-links a:not(.btn):hover { color: var(--ink); background: var(--surface-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .97rem;
  padding: .72rem 1.2rem; border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  text-decoration: none; transition: transform .12s ease, background .15s ease, box-shadow .15s ease; white-space: nowrap;
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }
.btn--primary { background: var(--brand-strong); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: color-mix(in srgb, var(--brand-strong) 88%, #000); transform: translateY(-1px); }
:root[data-theme="dark"] .btn--primary, .btn--primary.on-dark { color: #05121b; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn--primary { background: var(--brand); color: #05121b; } }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand-strong); }
.btn--lg { padding: .9rem 1.5rem; font-size: 1.02rem; }
.btn--on-navy { background: var(--brand); color: #05121b; }
.btn--on-navy:hover { background: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 85% -5%, var(--brand-tint), transparent 70%),
    linear-gradient(180deg, transparent, var(--bg));
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 span { color: var(--brand-strong); }
.hero .lede { margin-block: 1.4rem 2rem; }
.trust-line { font-family: var(--font-mono); font-size: var(--step--1); color: var(--muted); margin-top: 1.8rem; display: flex; align-items: center; gap: .5rem; }
.trust-line .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); }

/* ---------- finding card (product-authentic) ---------- */
.finding {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.finding__bar { display: flex; align-items: center; gap: .5rem; padding: .7rem .9rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.finding__bar .dots { display: flex; gap: 5px; margin-right: .3rem; }
.finding__bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); display: block; }
.finding__bar .path { font-family: var(--font-mono); font-size: .74rem; color: var(--muted); }
.finding__body { padding: 1.1rem 1.1rem 1.25rem; }
.tag {
  display: inline-flex; align-items: center; gap: .4rem; font-family: var(--font-mono); font-size: .68rem;
  font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: .2rem .5rem; border-radius: 5px;
}
.tag--critical { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.tag--serious { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.tag--pass { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.finding h3 { margin: .7rem 0 .4rem; font-size: 1.08rem; }
.finding .std { font-family: var(--font-mono); font-size: .74rem; color: var(--muted); border-left: 2px solid var(--brand); padding-left: .6rem; margin: .7rem 0; }
.finding .evi { font-size: .86rem; color: var(--ink-2); margin: 0; }

/* ---------- standards strip ---------- */
.strip { border-block: 1px solid var(--line); background: var(--surface); }
.strip .container { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; padding-block: 1.1rem; }
.strip .label { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.strip ul { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; list-style: none; margin: 0; padding: 0; }
.strip li { font-family: var(--font-mono); font-size: .84rem; font-weight: 500; color: var(--ink-2); }

/* ---------- grids ---------- */
.grid { display: grid; gap: 1.2rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1.4rem; transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
@media (prefers-reduced-motion: reduce) { .card:hover { transform: none; } }
.card .ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 1rem;
  background: var(--brand-tint); color: var(--brand-strong);
}
.card .ico svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.card h3 { margin-bottom: .4rem; }
.card p { color: var(--ink-2); font-size: .95rem; margin: 0; }
.card .cites { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); margin-top: .9rem; }

/* ---------- steps (numbered = real sequence) ---------- */
.steps { display: grid; gap: 0; counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.4rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step__n {
  counter-increment: step; font-family: var(--font-mono); font-weight: 600; color: var(--brand-strong);
  position: relative; padding-right: 1.4rem;
}
.step__n::before { content: counter(step, decimal-leading-zero); font-size: 1.1rem; }
.step h3 { margin-bottom: .3rem; }
.step p { color: var(--ink-2); margin: 0; font-size: .95rem; }

/* ---------- navy band ---------- */
.band { background: var(--navy); color: var(--on-navy); }
.band h2 { color: #fff; }
.band .eyebrow { color: var(--brand); }
.band .lede, .band p { color: var(--on-navy-mut); }
.band .stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.band .stat { border-top: 2px solid color-mix(in srgb, var(--brand) 50%, transparent); padding-top: 1rem; }
.band .stat b { display: block; font-size: var(--step-3); color: #fff; font-weight: 680; letter-spacing: -0.02em; }
.band .stat span { color: var(--on-navy-mut); font-size: .92rem; }
.band .stat .src { font-family: var(--font-mono); font-size: .68rem; color: color-mix(in srgb, var(--on-navy-mut) 80%, transparent); margin-top: .5rem; display: block; }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.tier { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem 1.5rem; display: flex; flex-direction: column; }
.tier--feature { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow); position: relative; }
.tier--feature .flag { position: absolute; top: -11px; left: 1.5rem; background: var(--brand-strong); color: #fff; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 6px; }
.tier h3 { margin-bottom: .2rem; }
.tier .price { font-size: var(--step-2); font-weight: 680; letter-spacing: -0.02em; margin: .4rem 0 .1rem; }
.tier .price small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.tier .who { color: var(--muted); font-size: .88rem; margin-bottom: 1.1rem; }
.tier ul { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .6rem; }
.tier li { display: grid; grid-template-columns: auto 1fr; gap: .6rem; font-size: .92rem; color: var(--ink-2); align-items: start; }
.tier li svg { width: 18px; height: 18px; stroke: var(--ok); fill: none; stroke-width: 2; margin-top: 3px; }
.tier .btn { width: 100%; justify-content: center; margin-top: auto; }

/* ---------- contact ---------- */
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.6rem); box-shadow: var(--shadow); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.field-note { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); }
.mail-big { font-size: var(--step-2); font-weight: 680; letter-spacing: -0.02em; word-break: break-word; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: var(--on-navy-mut); padding-block: clamp(2.5rem, 5vw, 4rem) 2rem; }
.site-footer a { color: var(--on-navy); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-grid img { height: 66px; width: auto; margin-bottom: 1rem; }
.footer-col h4 { color: #fff; font-size: .8rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; margin-bottom: 1rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; font-size: .92rem; }
.footer-legal { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .82rem; }
.footer-legal .disc { max-width: 60ch; color: color-mix(in srgb, var(--on-navy-mut) 85%, transparent); }
.no-track { display: inline-flex; align-items: center; gap: .45rem; }
.no-track .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

/* ---------- legal page prose ---------- */
.prose { max-width: 74ch; margin-inline: auto; }
.prose h2 { font-size: var(--step-2); margin-top: 2.2rem; }
.prose h3 { margin-top: 1.6rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .5rem; }
.prose .meta { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); }
.callout-note { border: 1px solid var(--line); border-left: 3px solid var(--brand); background: var(--surface-2); border-radius: 0 10px 10px 0; padding: 1rem 1.2rem; font-size: .92rem; color: var(--ink-2); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero .finding { max-width: 460px; }
  .grid--3, .tiers, .band .stat-grid { grid-template-columns: 1fr; }
  .grid--2, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 2.2rem; }
}
@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .nav .nav-links {
    position: absolute; right: 0; top: calc(100% + 10px); flex-direction: column; align-items: stretch;
    background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .5rem;
    box-shadow: var(--shadow-lg); min-width: 220px; gap: .1rem;
  }
  .nav details:not([open]) .nav-links { display: none; }
  .nav-links a:not(.btn) { padding: .7rem .9rem; }
  .nav-links .btn { margin-top: .3rem; justify-content: center; }
}
@media (min-width: 761px) {
  .nav summary { display: none; }
  .nav details > .nav-links { display: flex !important; }
}