/* ============================================================
   ValBench — style.css
   Monochrome brand (white box / black box) + red-team accent
   ============================================================ */

:root {
  --ink: #0a0a0a;
  --bg: #ffffff;
  --bg-alt: #f4f4f2;
  --muted: #5c5c5c;
  --line: #e3e3e0;
  --accent: #d92b2b;          /* red-team red, used sparingly */
  --ok: #2f9e44;
  --radius: 10px;
  --font: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;
  --mono: "Cascadia Code", "SF Mono", Consolas, Menlo, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; margin-bottom: 0.6rem; }
h3 { font-size: 1.15rem; font-weight: 700; }

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

.eyebrow {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
}
.eyebrow-light { color: #b9b9b9; }
.dot { width: 8px; height: 8px; border-radius: 2px; background: var(--ink); display: inline-block; }
.dot-red { background: var(--accent); }

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-lede, .lede { color: var(--muted); max-width: 640px; font-size: 1.06rem; }
.section-lede { margin-bottom: 40px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  border: 2px solid var(--ink); transition: transform .12s ease, background .15s ease, color .15s ease;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn-light { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.btn-light:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: 0.88rem; }

/* ---------- Nav ---------- */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.nav-wordmark { font-size: 1.25rem; font-weight: 400; letter-spacing: -0.01em; }
.nav-wordmark b { font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a:not(.btn) {
  text-decoration: none; color: var(--ink); font-size: 0.94rem; font-weight: 500;
  border-bottom: 2px solid transparent; padding-bottom: 2px;
}
.nav-links a:not(.btn):hover { border-color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-copy .lede { margin: 20px 0 30px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-props { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; }
.hero-props li {
  font-size: 0.85rem; color: var(--muted); font-weight: 500;
  padding-left: 20px; position: relative;
}
.hero-props li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.hero-founder { margin-top: 18px; font-size: 0.85rem; color: var(--muted); font-style: italic; }

/* Terminal mock */
.terminal {
  background: #0d0d0d; border-radius: 12px; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
  border: 1px solid #262626;
}
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  background: #1a1a1a; padding: 10px 14px;
  font-family: var(--mono); font-size: 0.72rem; color: #8a8a8a;
}
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3a3a; }
.terminal-bar span { margin-left: 8px; }
.terminal-body {
  padding: 18px 20px; font-family: var(--mono); font-size: 0.8rem;
  line-height: 1.75; color: #d8d8d8; overflow-x: auto; white-space: pre;
}
.t-dim { color: #6f6f6f; }
.t-ok { color: #57c26b; }
.t-bad { color: #ff5f56; }
.t-under { text-decoration: underline; }
.cursor { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Stat strip ---------- */
.stat-strip { background: var(--ink); color: var(--bg); padding: 34px 0; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat strong { display: block; font-size: 1.9rem; letter-spacing: -0.02em; }
.stat span { font-size: 0.84rem; color: #a8a8a8; line-height: 1.4; display: block; margin-top: 2px; }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.card {
  background: var(--bg); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; grid-column: span 2;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,.07); }
.card-flagship { grid-column: span 3; border: 2px solid var(--ink); position: relative; }
.card-tag {
  position: absolute; top: -12px; left: 24px;
  background: var(--accent); color: #fff; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; padding: 3px 10px; border-radius: 4px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.94rem; margin-bottom: 14px; }
.card ul { list-style: none; }
.card li {
  font-size: 0.9rem; padding: 6px 0 6px 22px; position: relative;
  border-top: 1px solid var(--line);
}
.card li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---------- Dark sections ---------- */
.section-dark { background: var(--ink); color: var(--bg); }
.section-dark .section-lede { color: #b5b5b5; }
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.split .btn { margin-top: 26px; }

.finding-list { list-style: none; display: grid; gap: 2px; }
.finding-list li {
  background: #161616; border-left: 3px solid var(--accent);
  padding: 16px 20px;
}
.finding-list li:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.finding-list li:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.finding-list b { display: block; font-size: 0.98rem; }
.finding-list span { font-size: 0.87rem; color: #a0a0a0; }

/* ---------- Steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.steps li { border-top: 3px solid var(--ink); padding-top: 18px; }
.step-num { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); font-weight: 700; }
.steps h3 { margin: 6px 0 8px; }
.steps p { font-size: 0.92rem; color: var(--muted); }

/* ---------- Why grid ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.why-item { background: var(--bg); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 28px; }
.why-item h3 { margin-bottom: 8px; }
.why-item p { color: var(--muted); font-size: 0.94rem; }

/* ---------- CTA band + form ---------- */
.cta-band { padding: 88px 0; }
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.cta-inner .section-lede { margin-bottom: 0; }

.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: 0.85rem; font-weight: 600; color: #cfcfcf; }
.contact-form input, .contact-form textarea {
  background: #161616; border: 1.5px solid #333; border-radius: 8px;
  padding: 12px 14px; color: #fff; font-family: var(--font); font-size: 0.95rem;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--accent);
}
.contact-form .btn { justify-self: start; }
.form-note { font-size: 0.84rem; color: #9a9a9a; }
.form-note a { color: #fff; }
.form-note-launch {
  margin-top: 18px; display: inline-block; padding: 6px 14px;
  border: 1px solid #333; border-radius: 20px; color: #cfcfcf;
}

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

/* ---------- Utility pages (thanks / 404) ---------- */
.page-center {
  min-height: calc(100vh - 68px); display: grid; place-items: center;
  text-align: center; padding: 64px 24px;
}
.page-center .eyebrow { justify-content: center; }
.page-center p { color: var(--muted); max-width: 460px; margin: 14px auto 30px; }

/* ---------- Footer ---------- */
.footer { background: #0d0d0d; color: #d8d8d8; --ink: #0d0d0d; padding: 48px 0; border-top: 1px solid #222; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 32px; align-items: center; }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-brand p { font-size: 0.85rem; color: #9a9a9a; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #d8d8d8; text-decoration: none; font-size: 0.88rem; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-legal { font-size: 0.8rem; color: #777; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .section { padding: 68px 0; }
  .hero { padding: 56px 0 48px; }
  .hero-grid, .split, .cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .card, .card-flagship { grid-column: span 1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: left; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px 24px 18px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 10px 0; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .terminal-body { font-size: 0.7rem; }
}