/* Shared styles for the Insights list + detail pages
   Matches the AI direction (B&W + monospace + paper/ink rhythm) */
@import url("../../../colors_and_type.css");

:root {
  --ai-bg:        #0a0a0b;
  --ai-bg-2:      #131316;
  --ai-bg-3:      #1c1c20;
  --ai-line:      #2a2a30;
  --ai-line-soft: #1d1d22;
  --ai-fg:        #ffffff;
  --ai-fg-2:      #cfcfd4;
  --ai-fg-3:      #8e8e96;
  --ai-fg-4:      #5d5d65;
  --paper:        #ffffff;
  --paper-2:      #f5f5f6;
  --paper-line:   #e5e5e8;
  --ink:          #0a0a0b;
  --ink-2:        #2a2a2e;
  --ink-3:        #5d5d65;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #0a0a0b; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* --- Header (same as main site) --- */
.ai-header {
  position: sticky; top: 0; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 56px);
  background: rgba(255,255,255,0.85); backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--paper-line);
  z-index: 50;
}
.ai-brand { display: inline-flex; align-items: center; gap: 14px; color: var(--ink); }
.ai-mark { width: 28px; height: 28px; color: var(--ink); }
.ai-mark svg { display: block; width: 100%; height: 100%; }
.ai-wordmark { font-size: 12.5px; font-weight: 600; letter-spacing: 0.32em; text-transform: uppercase; }
.ai-nav { display: flex; align-items: center; gap: 4px; }
.ai-nav a {
  color: var(--ink-3); font-size: 13px; padding: 9px 14px; border-radius: 999px;
  transition: color 180ms ease, background 180ms ease;
}
.ai-nav a:hover { color: var(--ink); background: rgba(0,0,0,0.05); }
.ai-nav a.is-current { color: var(--ink); background: rgba(0,0,0,0.05); }
.ai-cta {
  background: var(--ink); color: var(--paper) !important;
  padding: 9px 16px; border-radius: 999px; font-weight: 700; font-size: 13px;
  margin-left: 8px;
}
.ai-cta:hover { background: #1c1c20 !important; }

/* --- Page header --- */
.ix-head { padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 56px) clamp(36px, 5vw, 56px); }
.ix-head-inner { max-width: 980px; margin: 0 auto; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--ink-3); }
.ix-head h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.06;
  font-weight: 300;
  letter-spacing: -0.025em;
  margin: 14px 0 0;
  word-break: keep-all; text-wrap: pretty;
}
.ix-head h1 strong { font-weight: 700; }
.ix-head .lead {
  color: var(--ink-3);
  font-size: 1.05rem; line-height: 1.7;
  margin: 22px 0 0; max-width: 680px;
}
.crumbs {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--ink-3); text-transform: uppercase; margin-bottom: 18px;
}
.crumbs a { color: var(--ink); }
.crumbs span { color: var(--ink-3); margin: 0 8px; }

/* --- Insights list --- */
.ix-list-wrap { padding: 0 clamp(20px, 5vw, 56px) clamp(80px, 10vw, 140px); }
.ix-list { max-width: 980px; margin: 0 auto; display: grid; gap: 1px; background: var(--paper-line); border: 1px solid var(--paper-line); border-radius: 16px; overflow: hidden; list-style: none; padding: 0; }
.ix-list li { background: var(--paper); transition: background 200ms ease; }
.ix-list li:hover { background: var(--paper-2); }
.ix-list a { display: grid; grid-template-columns: 140px 1fr auto; gap: 24px; align-items: baseline; padding: 22px 26px; }
.ix-list .date {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--ink-3);
  text-transform: uppercase;
}
.ix-list h2 {
  font-size: 1.1rem; font-weight: 600; line-height: 1.4; margin: 0 0 6px;
  letter-spacing: -0.005em; word-break: keep-all;
}
.ix-list p { color: var(--ink-3); font-size: 0.92rem; line-height: 1.6; margin: 0; word-break: keep-all; }
.ix-list .arr {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  color: var(--ink); text-transform: uppercase; align-self: center; transition: transform 200ms ease;
}
.ix-list li:hover .arr { transform: translateX(4px); }

/* --- Article detail --- */
.article-page {
  background: var(--paper);
  padding: clamp(40px, 6vw, 72px) clamp(20px, 5vw, 56px) clamp(80px, 10vw, 140px);
}
.article-prose {
  max-width: 760px; margin: 0 auto;
  color: var(--ink-2);
  font-size: 1.05rem; line-height: 1.78;
}
.article-prose h1 {
  color: var(--ink);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.08;
  font-weight: 300;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  word-break: keep-all; text-wrap: pretty;
}
.article-prose .lead {
  font-size: 1.15rem; line-height: 1.72; color: var(--ink-2);
  margin: 18px 0 36px; padding-bottom: 28px;
  border-bottom: 1px solid var(--paper-line);
}
.article-prose h2 {
  color: var(--ink);
  font-size: 1.32rem;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 44px 0 12px;
  word-break: keep-all;
}
.article-prose h3 { color: var(--ink); font-size: 1.05rem; font-weight: 600; margin: 28px 0 10px; }
.article-prose p { margin: 0 0 14px; word-break: keep-all; }
.article-prose ul, .article-prose ol { margin: 12px 0 18px; padding-left: 22px; }
.article-prose li { margin: 6px 0; word-break: keep-all; }
.article-prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--paper-2);
  color: var(--ink);
  padding: 1px 7px; border-radius: 4px; border: 1px solid var(--paper-line);
}

.article-checklist {
  background: var(--ink); color: var(--ai-fg);
  border-radius: 12px; padding: 22px 24px;
  margin: 28px 0 24px; font-size: 0.96rem; line-height: 1.7;
}
.article-checklist h3 {
  margin: 0 0 12px; color: var(--ai-fg);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 500;
}
.article-checklist ul { margin: 0; padding-left: 18px; }
.article-checklist li { color: var(--ai-fg-2); }
.article-checklist code { background: var(--ai-bg-2); color: var(--ai-fg); border-color: var(--ai-line); }

.article-note {
  background: var(--paper-2);
  border-left: 2px solid var(--ink);
  padding: 16px 18px;
  margin: 24px 0;
  font-size: 0.96rem; line-height: 1.65;
  color: var(--ink-2);
}

.article-cta {
  background: var(--ink); color: var(--ai-fg);
  border-radius: 16px;
  padding: 28px 30px;
  margin: 56px 0 0;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.article-cta p { color: var(--ai-fg-2); margin: 0; max-width: 480px; line-height: 1.6; font-size: 1rem; }
.article-cta .ai-btn {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 0 20px; border-radius: 999px;
  font-weight: 600; font-size: 14px; background: var(--ai-fg); color: var(--ink);
  transition: transform 180ms ease;
}
.article-cta .ai-btn:hover { transform: translateY(-1px); }

.article-pager {
  max-width: 760px; margin: 56px auto 0; padding-top: 24px;
  border-top: 1px solid var(--paper-line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.article-pager a {
  background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: 12px;
  padding: 16px 18px; display: grid; gap: 4px; min-height: 80px;
  transition: border-color 180ms ease, background 180ms ease;
}
.article-pager a:hover { border-color: var(--ink-3); background: var(--paper); }
.article-pager .lbl {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.article-pager .ttl { font-weight: 600; font-size: 0.96rem; line-height: 1.4; color: var(--ink); }
.article-pager .next { text-align: right; }
.article-pager .empty { background: transparent; border: 1px dashed var(--paper-line); color: var(--ink-3); align-items: center; justify-content: center; display: flex; }

/* --- Footer (compact) --- */
.ix-footer {
  background: var(--ink); color: var(--ai-fg-2);
  padding: 40px clamp(20px, 5vw, 56px);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  border-top: 1px solid var(--ai-line);
  font-size: 13px;
}
.ix-footer a { color: var(--ai-fg-2); }
.ix-footer a:hover { color: var(--ai-fg); }
.ix-footer .mono { font-family: var(--font-mono); letter-spacing: 0.04em; font-size: 12px; color: var(--ai-fg-4); }

@media (max-width: 720px) {
  .ix-list a { grid-template-columns: 1fr; }
  .ix-list .arr { justify-self: start; }
  .article-pager { grid-template-columns: 1fr; }
  .article-pager .next { text-align: left; }
  .ai-nav a:not(.ai-cta) { display: none; }
}