/* Grip Research - phase 1 stylesheet.
   Design DNA matched to the gripper-dashboard: pure-black layered surfaces,
   one electric-orange accent, neutral grays, amber reserved for paid/lock
   semantics. Typography-led, mobile-first, no external fonts or assets. */

:root {
  --bg: #000000;
  --bg-soft: #080808;
  --panel: #0d0d0d;
  --panel-2: #101010;
  --line: rgba(255, 255, 255, 0.10);
  --line-soft: rgba(255, 255, 255, 0.06);
  --ink: #f0f0f0;
  --ink-2: #a0a0a0;
  --ink-3: #666666;
  --accent: #f97316;
  --accent-dim: rgba(249, 115, 22, 0.12);
  --accent-ink: #000000;
  --amber: #f59e0b;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1080px;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(120% 70% at 8% -12%, rgba(249, 115, 22, 0.10), transparent 62%),
    radial-gradient(90% 60% at 100% 0%, rgba(245, 158, 11, 0.05), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

main.wrap { flex: 1 0 auto; padding-bottom: 72px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.mono { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em; }
.dim { color: var(--ink-3); }
.sep { color: var(--line); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--accent-ink);
  padding: 8px 14px; z-index: 10;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.16em;
  font-size: 0.92rem;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand-dim { color: var(--ink-3); margin-left: 0.35em; }

.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a {
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.is-active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- hero / headings ---------- */

.hero { padding: 68px 0 40px; max-width: 760px; }

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 18px;
  letter-spacing: 0.2em;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 20px;
}

.page-head { padding: 52px 0 26px; border-bottom: 1px solid var(--line-soft); margin-bottom: 34px; }
.page-head h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); margin-bottom: 14px; }

h2 { font-size: 1.22rem; letter-spacing: -0.01em; margin: 0; }
h3 { font-size: 1.03rem; margin: 0; }

.lede { color: var(--ink-2); font-size: 1.06rem; margin: 0 0 26px; max-width: 62ch; }
.lede-sm { color: var(--ink-2); margin: 0 0 20px; max-width: 68ch; }

/* ---------- buttons ---------- */

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.btn-primary:hover { background: #fb923c; }

.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- track-record strip ---------- */

.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 8px 0 0;
}

.strip-item {
  background: var(--bg-soft);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.strip-num {
  color: var(--accent);
  font-size: 1.28rem;
  letter-spacing: 0.04em;
  word-break: break-word;
}
.strip-label { color: var(--ink-3); font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--mono); }

/* ---------- blocks / feed ---------- */

.block { margin-top: 56px; }

.block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.more { color: var(--accent); text-transform: uppercase; }
.more:hover { text-decoration: none; color: var(--ink); }

.feed { list-style: none; margin: 0; padding: 0; }

.feed-row { border-bottom: 1px solid var(--line-soft); }
.feed-link { display: block; padding: 20px 0; color: inherit; }
.feed-link:hover { text-decoration: none; }
.feed-link:hover .feed-title { color: var(--accent); }

.feed-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; color: var(--ink-3); text-transform: uppercase; }
.feed-meta .series { color: var(--ink-2); }

.feed-title { margin: 8px 0 6px; transition: color 0.12s ease; }
.feed-summary { margin: 0; color: var(--ink-2); font-size: 0.95rem; max-width: 74ch; }

.tier {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid currentColor;
}
.tier-free { color: var(--ink-3); }
.tier-paid { color: var(--amber); }

.empty { color: var(--ink-3); padding: 24px 0; text-transform: uppercase; }

/* ---------- report cards ---------- */

.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.report-card {
  display: block;
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  color: inherit;
}
.report-card:hover { text-decoration: none; border-color: var(--accent); }
.report-card h3 { margin: 12px 0 8px; }
.report-card p { color: var(--ink-2); font-size: 0.94rem; margin: 0 0 14px; }
.report-card-wide { margin-top: 22px; }

.toc-mini {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  color: var(--ink-3);
  text-transform: uppercase;
}
.toc-mini li { padding: 3px 0; }
.toc-mini li::before { content: "· "; color: var(--accent); }

/* ---------- article / report ---------- */

.article { padding-top: 48px; }
.article-head { padding-bottom: 28px; border-bottom: 1px solid var(--line-soft); margin-bottom: 34px; }
.article-head h1 { margin-bottom: 16px; }
.article-meta { color: var(--ink-3); display: flex; gap: 8px; flex-wrap: wrap; text-transform: uppercase; }
.article-foot {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.report-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 38px; }
.toc { position: sticky; top: 92px; align-self: start; }
.toc-label { color: var(--ink-3); text-transform: uppercase; margin: 0 0 12px; }
.toc-list { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc-list li { counter-increment: toc; border-bottom: 1px solid var(--line-soft); }
.toc-list a {
  display: block;
  padding: 9px 0;
  color: var(--ink-2);
  font-size: 0.92rem;
}
.toc-list a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  margin-right: 9px;
}
.toc-list a:hover { color: var(--accent); text-decoration: none; }

/* ---------- prose ---------- */

.prose { max-width: 72ch; }
.prose h2 {
  margin: 42px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 1.3rem;
}
.prose h3 { margin: 30px 0 10px; }
.prose p { color: var(--ink-2); margin: 0 0 18px; }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { color: var(--ink-2); padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 7px; }

.prose blockquote {
  margin: 0 0 22px;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--accent);
  color: var(--ink);
}
.prose blockquote p { color: var(--ink); margin: 0; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 0.92rem;
}
.prose th, .prose td {
  border: 1px solid var(--line);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
}
.prose thead th {
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.prose tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.015); }
.prose td { color: var(--ink-2); }

.prose pre {
  background: #0a0a0a;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 24px;
}
.prose pre code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
  background: none;
  padding: 0;
}
.prose code {
  font-family: var(--mono);
  font-size: 0.84rem;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
}
.prose hr { border: 0; border-top: 1px solid var(--line-soft); margin: 34px 0; }

/* chart placeholders: the dashboard screenshot slots in the paid bodies.
   Renders inside .prose and inside the locked-page .prose-teaser. */
.chart-ph {
  display: block;
  margin: 0 0 24px;
  padding: 1.5rem 1.25rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  text-align: center;
}
.chart-ph .mono {
  display: block;
  color: var(--ink-3);
  text-transform: uppercase;
}

.prose-block { max-width: 72ch; }
.prose-block h2 { margin-bottom: 14px; }
.prose-block p { color: var(--ink-2); }
.placeholder-note { color: var(--amber); text-transform: uppercase; margin: 0 0 10px; }

/* teaser fade out */
.prose-teaser { position: relative; margin-bottom: 8px; }
.prose-teaser::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -10px;
  height: 90px;
  background: linear-gradient(180deg, transparent, var(--bg) 92%);
  pointer-events: none;
}

/* ---------- lock panel ---------- */

.lock {
  margin-top: 28px;
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px dashed var(--amber);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.lock-badge {
  color: var(--amber);
  text-transform: uppercase;
  margin: 0 0 12px;
  letter-spacing: 0.18em;
}
.lock-title { font-size: 1.16rem; margin: 0 0 10px; }
.lock-copy { color: var(--ink-2); margin: 0 0 20px; max-width: 58ch; }
.lock-note { color: var(--ink-3); margin: 14px 0 0; text-transform: uppercase; }

/* ---------- pricing ---------- */

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.price-card {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.price-card-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-dim) inset; }
.price-tag { color: var(--accent); text-transform: uppercase; margin: 0; }
.price { margin: 0; display: flex; align-items: baseline; gap: 8px; }
.price-num { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em; }
.price-per { color: var(--ink-3); text-transform: uppercase; }
.price-list { list-style: none; margin: 0; padding: 0; color: var(--ink-2); font-size: 0.94rem; }
.price-list li { padding: 7px 0; border-bottom: 1px solid var(--line-soft); }
.price-list li::before { content: "→ "; color: var(--accent); font-family: var(--mono); font-size: 0.8rem; }
.price-card .cta-row { margin-top: 4px; }
.price-foot { margin-top: 24px; text-transform: uppercase; }

/* ---------- 404 ---------- */

.error-page { padding: 90px 0; max-width: 640px; }
.error-page h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 26px 0 34px;
  background: var(--bg-soft);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.footer-links a {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--accent); }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .report-layout { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .toc { position: static; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 44px 0 30px; }
  .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .header-inner { min-height: auto; padding-top: 12px; padding-bottom: 12px; }
  .nav { gap: 14px; }
  .block { margin-top: 44px; }
  .article { padding-top: 34px; }
  .article-foot { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- phase 2: account, auth, checkout ---------- */

.notice {
  margin: 18px 0 0;
  padding: 12px 16px;
  border: 1px dashed var(--amber);
  border-radius: var(--radius);
  background: rgba(245, 158, 11, 0.06);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

form.inline { display: inline-flex; }

.field { display: flex; flex-direction: column; gap: 8px; max-width: 420px; margin: 0 0 18px; }
.field label { color: var(--ink-3); text-transform: uppercase; }

input[type="email"], input[type="text"], input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
}
input[type="email"]::placeholder, input[type="text"]::placeholder, input[type="password"]::placeholder { color: var(--ink-3); }
input[type="email"]:focus, input[type="text"]:focus, input[type="password"]:focus { border-color: var(--accent); outline: none; }

.auth-form { max-width: 460px; }
.auth-foot { margin-top: 18px; }

/* phase 2.5: the two signed-out forms sit side by side (and stack on small screens) */
.auth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  max-width: 880px;
}
.auth-card { padding: 24px 22px 26px; }
.auth-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.panel-accent { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-dim) inset; }
.panel-row { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.checkout-card { max-width: 620px; }
.checkout-form { margin-top: 22px; }
.dev-panel { margin-top: 34px; }

.ent-list { list-style: none; margin: 0; padding: 0; }
.ent-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}
.ent-kind { color: var(--ink); }
.ent-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: baseline;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.badge-active { color: var(--accent); }
.badge-canceled { color: var(--amber); }

.receipt {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  word-break: break-all;
}
.account-actions { margin-top: 30px; }

/* ---------- phase 3: legal pages ---------- */

.legal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}
.lang-switch {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.lang-switch .sep { color: var(--line); }
.lang-switch a { color: var(--ink-3); }
.lang-switch a:hover { color: var(--accent); }
.lang-switch .is-current { color: var(--accent); }

.prose-legal { max-width: 78ch; padding: 6px 0 40px; }
.prose-legal h1 { font-size: clamp(1.7rem, 4vw, 2.1rem); margin: 26px 0 18px; }
.prose-legal h2 { margin-top: 36px; }

/* the owner's ENTWURF/DRAFT header stays visible, deliberately de-emphasised */
.draft-notice {
  margin: 0 0 30px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.012);
  opacity: 0.72;
}
.draft-label {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.draft-notice blockquote {
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 2px solid var(--line);
}
.draft-notice blockquote p {
  color: var(--ink-3);
  font-size: 0.86rem;
  margin: 0 0 10px;
}
.draft-notice blockquote p:last-child { margin-bottom: 0; }

/* merchant-of-record line next to purchase points - deliberately quiet */
.disclosure {
  margin: 10px 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  max-width: 74ch;
}