/* Social Influence Briefing — global stylesheet
   One shared CSS file for the whole site (no per-page CSS drift).
   System font stack, mobile-first, WCAG AA contrast. */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5fa;
  --bg-soft: #e9e9f4;
  --ink: #131a22;          /* body text — ~15:1 on white */
  --ink-soft: #45525f;     /* secondary text — ~7.6:1 on white */
  --brand: #2b2d5e;        /* deep indigo, calm and editorial */
  --brand-ink: #1b1c42;
  --brand-bright: #3b3f9e;
  --accent: #a4331f;       /* warm risk/alert accent — 5.2:1 on white */
  --line: #d9d9e6;
  --line-strong: #b9b9d0;
  --warn-bg: #fdf2e9;
  --warn-line: #e5b98d;
  --ok-bg: #eceefa;
  --ok-line: #b9bde6;
  --radius: 12px;
  --maxw: 1080px;
  --shadow: 0 1px 3px rgba(19,26,34,.07), 0 4px 16px rgba(19,26,34,.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand-ink);
  color: #fff;
  padding: .6rem 1rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.1rem; }
main { display: block; }
section { margin: 2.4rem 0; }

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1.2rem;
  padding-top: .7rem;
  padding-bottom: .7rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brand-ink);
  text-decoration: none;
  letter-spacing: -.01em;
}
.brand .mark {
  display: inline-grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  font-size: .85rem;
  flex: 0 0 auto;
}
.brand small { display: block; font-weight: 500; font-size: .66rem; color: var(--ink-soft); letter-spacing: .02em; }
.primary-nav { margin-left: auto; }
.primary-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
  margin: 0; padding: 0;
}
.primary-nav a {
  display: inline-block;
  padding: .45rem .7rem;
  color: var(--ink);
  text-decoration: none;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 500;
}
.primary-nav a:hover, .primary-nav a:focus { background: var(--bg-soft); color: var(--brand-ink); }
.primary-nav a[aria-current="page"] { color: var(--brand-ink); font-weight: 700; box-shadow: inset 0 -2px 0 var(--brand); }
.nav-cta a { background: var(--brand); color: #fff !important; }
.nav-cta a:hover, .nav-cta a:focus { background: var(--brand-bright); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: .85rem; color: var(--ink-soft); padding: .9rem 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; }
.breadcrumb li::after { content: "›"; margin-left: .35rem; color: var(--line-strong); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--brand-ink); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.2; color: var(--ink); letter-spacing: -.012em; }
h1 { font-size: 2.05rem; margin: .4rem 0 .6rem; }
h2 { font-size: 1.5rem; margin: 2.1rem 0 .7rem; }
h3 { font-size: 1.16rem; margin: 1.4rem 0 .5rem; }
p { margin: 0 0 1rem; }
a { color: var(--brand-bright); }
a:hover { color: var(--brand-ink); }
strong { color: var(--ink); }
.lede { font-size: 1.18rem; color: var(--ink-soft); }
ul, ol { padding-left: 1.25rem; }
li { margin: .3rem 0; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
code { font-family: var(--mono); background: var(--bg-soft); padding: .1rem .35rem; border-radius: 4px; font-size: .9em; }
article > h2:first-of-type { margin-top: 1.6rem; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #1b1c42 0%, #2b2d5e 100%);
  color: #eceefa;
  padding: 2.6rem 0 2.8rem;
}
.hero h1 { color: #fff; font-size: 2.3rem; max-width: 22ch; }
.hero p { color: #d5d6ef; font-size: 1.16rem; max-width: 62ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.2rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: .7rem 1.15rem;
  border-radius: 9px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn-primary { background: #fff; color: var(--brand-ink); }
.btn-primary:hover { background: #eceefa; color: var(--brand-ink); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-solid { background: var(--brand); color: #fff; }
.btn-solid:hover { background: var(--brand-bright); color: #fff; }

/* ---------- Direct-answer block ---------- */
.direct-answer {
  background: var(--ok-bg);
  border: 1px solid var(--ok-line);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  margin: 1.2rem 0 1.8rem;
  font-size: 1.08rem;
}
.direct-answer p:last-child { margin-bottom: 0; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 920px) { .grid-3 { grid-template-columns: 1fr 1fr 1fr; } }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  background: var(--bg);
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card p { color: var(--ink-soft); font-size: .97rem; margin-bottom: .6rem; }
.card a.more { font-weight: 600; text-decoration: none; }
.card a.more:hover { text-decoration: underline; }
.card .eyebrow { font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); font-weight: 700; }

/* ---------- Callouts ---------- */
.callout { border-radius: var(--radius); padding: 1rem 1.15rem; margin: 1.4rem 0; border: 1px solid var(--line); }
.callout.warn { background: var(--warn-bg); border-color: var(--warn-line); }
.callout.note { background: var(--bg-alt); }
.callout h3, .callout h4 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

/* Action / Why / Verification protocol block */
.avv { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.15rem; margin: 1rem 0; background: var(--bg); }
.avv dt { font-weight: 700; color: var(--brand-ink); margin-top: .55rem; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
.avv dt:first-child { margin-top: 0; }
.avv dd { margin: 0 0 .3rem; color: var(--ink-soft); }

/* Ordered tap-by-tap steps */
ol.steps { counter-reset: step; list-style: none; padding-left: 0; margin: 1rem 0; }
ol.steps li {
  counter-increment: step;
  position: relative;
  padding: .1rem 0 .1rem 2.2rem;
  margin: .55rem 0;
}
ol.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: .15rem;
  width: 1.6rem; height: 1.6rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--brand-ink);
  font-size: .82rem; font-weight: 700;
}

/* iOS settings path, e.g. Settings › Battery › Battery Health */
.menu-path {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .08rem .45rem;
  white-space: normal;
  /* keep the rounded box tidy when a long settings path wraps on a phone */
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.menu-path .sep { color: var(--ink-soft); }

/* ---------- Primary-source note ---------- */
.source-note {
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink-soft);
  border-radius: var(--radius);
  background: var(--bg-alt);
  padding: 1rem 1.2rem;
  margin: 2rem 0;
  font-size: .94rem;
}
.source-note .src-h { font-size: 1rem; margin: 0 0 .5rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
.source-note ul { margin: .4rem 0 .8rem; }
.source-note p:last-child { margin-bottom: 0; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .95rem; }
th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-soft); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .2rem 1rem;
  margin: .6rem 0;
  background: var(--bg);
}
.faq summary { font-weight: 600; cursor: pointer; padding: .8rem 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "＋"; color: var(--brand); font-weight: 700; margin-right: .5rem; }
.faq details[open] summary::before { content: "－"; }
.faq details p { color: var(--ink-soft); }

/* ---------- Related list ---------- */
.related-list li { margin: .45rem 0; }

/* ---------- Daily briefing edition ---------- */
.edition { max-width: 760px; }
.edition h2 { border-top: 1px solid var(--line); padding-top: 1.4rem; }
.decision-summary { background: var(--bg-alt); border-radius: var(--radius); padding: 1rem 1.2rem; }
.decision-summary li { margin: .5rem 0; }
.meta-line { font-size: .85rem; color: var(--ink-soft); }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: .2rem .55rem; border-radius: 999px; background: var(--ok-bg); color: var(--brand-ink); border: 1px solid var(--ok-line); }
.badge.alert { background: var(--warn-bg); color: var(--accent); border-color: var(--warn-line); }

/* ---------- Forms ---------- */
form .field { margin: 0 0 1rem; }
label { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .95rem; }
input, textarea, select {
  width: 100%;
  padding: .65rem .75rem;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 3px solid rgba(16,89,143,.35); border-color: var(--brand); }
.field-hint { font-size: .82rem; color: var(--ink-soft); margin-top: .25rem; }
.field-error { color: #8f2513; font-size: .85rem; margin-top: .25rem; }
:focus-visible { outline: 3px solid rgba(16,89,143,.5); outline-offset: 2px; }

/* ---------- Interactive tools ---------- */
.tool {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-alt);
  padding: 1.2rem;
  margin: 1.4rem 0 2rem;
}
.tool h2 { margin-top: 0; font-size: 1.25rem; }
.tool-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .tool-grid { grid-template-columns: 1fr 1fr; } }
.tool fieldset { border: 0; margin: 0; padding: 0; }
.tool legend { font-weight: 700; font-size: .95rem; padding: 0 0 .4rem; }
.tool .field { margin-bottom: .9rem; }
.tool-out {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-top: 1rem;
}
.tool-out h3 { margin-top: 0; font-size: 1rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
.tool-verdict { font-size: 1.25rem; font-weight: 700; color: var(--brand-ink); margin: .2rem 0 .6rem; }
.tool-figure { font-family: var(--mono); font-weight: 700; color: var(--brand-ink); }
.tool-rows { list-style: none; padding: 0; margin: 0; }
.tool-rows li { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding: .4rem 0; }
.tool-rows li:last-child { border-bottom: 0; }
.tool-noscript {
  border: 1px solid var(--warn-line);
  background: var(--warn-bg);
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  margin: 1rem 0;
  font-size: .95rem;
}
.checkline { display: flex; gap: .6rem; align-items: flex-start; margin: .5rem 0; }
.checkline input[type="checkbox"] { width: 1.15rem; height: 1.15rem; margin-top: .25rem; flex: 0 0 auto; }
.checkline label { font-weight: 500; margin: 0; }

/* ---------- Signup inline component ---------- */
.signup-box { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; margin: 1.5rem 0; }
.signup-box .row { display: flex; flex-wrap: wrap; gap: .6rem; }
.signup-box .row input { flex: 1 1 220px; }
.signup-box .row button { flex: 0 0 auto; }

/* ---------- Ad slots (placeholders, not live) ---------- */
.ad-slot {
  display: grid;
  place-items: center;
  text-align: center;
  background: repeating-linear-gradient(45deg, #f4f6f9, #f4f6f9 12px, #eef1f5 12px, #eef1f5 24px);
  border: 1px dashed var(--line-strong);
  border-radius: 9px;
  color: var(--ink-soft);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin: 1.6rem 0;
}
.ad-slot[data-size="leaderboard"] { min-height: 90px; }
.ad-slot[data-size="rectangle"] { min-height: 250px; max-width: 300px; margin-inline: auto; }
.ad-label { font-size: .68rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .08em; display: block; margin-bottom: .2rem; }

/* ---------- Affiliate disclosure ---------- */
.affiliate-disclosure {
  font-size: .87rem;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 9px;
  padding: .7rem .9rem;
  margin: 1rem 0;
  color: var(--ink-soft);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--line); margin-top: 3rem; padding: 2.2rem 0 2.6rem; font-size: .92rem; }
.footer-grid { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer .footer-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin: 0 0 .6rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .35rem 0; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--brand-ink); text-decoration: underline; }
.legal { margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .82rem; }
.legal a { color: var(--brand-bright); }

/* ---------- Consent dialog (blocking, equal-weight buttons) ---------- */
#consent-modal { position: fixed; inset: 0; z-index: 2147483000; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(15,23,42,.62); overflow-y: auto; }
#consent-modal[hidden] { display: none; }
.cm-panel { max-width: 40rem; width: 100%; max-height: calc(100dvh - 32px); overflow-y: auto; padding: 24px; border-radius: 16px; background: var(--bg); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.35); font: 16px/1.5 var(--font); }
.cm-panel h2 { margin: 0 0 12px; font-size: 1.25rem; }
.cm-panel a { color: inherit; text-decoration: underline; }
.cm-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; margin-top: 20px; }
/* Equal weight and equal size: a prominent Accept beside a faint Reject is a dark pattern. */
.cm-actions button { min-height: 44px; padding: 10px 20px; border-radius: 999px; border: 2px solid var(--brand-bright); background: transparent; color: inherit; font: inherit; font-weight: 600; cursor: pointer; }
.cm-actions button:focus-visible { outline: 3px solid var(--brand-bright); outline-offset: 2px; }
@media (prefers-reduced-motion: no-preference) { .cm-panel { animation: cm-in .18s ease-out; } @keyframes cm-in { from { opacity: 0; transform: translateY(8px); } } }
@media print { #consent-modal { display: none !important; } }

/* ---------- Owner-profile tag ---------- */
.ptag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; color: var(--brand-ink); background: var(--ok-bg); border: 1px solid var(--ok-line); border-radius: 999px; padding: .1rem .55rem; margin-right: .35rem; vertical-align: .08em; }
.how-made { font-size: .88rem; color: var(--ink-soft); }

/* ---------- Search ---------- */
#search-input { font-size: 1.05rem; }
.search-result { border-bottom: 1px solid var(--line); padding: .9rem 0; }
.search-result h3 { margin: 0 0 .2rem; font-size: 1.1rem; }
.search-result .url { font-size: .8rem; color: var(--brand-bright); }
.search-result p { margin: .3rem 0 0; color: var(--ink-soft); font-size: .95rem; }
.search-empty { color: var(--ink-soft); padding: 1rem 0; }

/* ---------- Utility ---------- */
.muted { color: var(--ink-soft); }
.small { font-size: .85rem; }
.center { text-align: center; }
.tag { display: inline-block; font-size: .75rem; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px; padding: .15rem .6rem; margin: .15rem .2rem .15rem 0; color: var(--ink-soft); }
.updated { font-size: .82rem; color: var(--ink-soft); }
.section-index ul { columns: 1; }
@media (min-width: 680px) { .section-index ul { columns: 2; } }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ---------- Practice components ---------- */
.rewrite { display: grid; gap: .8rem; grid-template-columns: 1fr; margin: 1rem 0; }
@media (min-width: 720px) { .rewrite { grid-template-columns: 1fr 1fr; } }
.rewrite > div { border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1.1rem; background: var(--bg); }
.rewrite .rw-label { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); margin-bottom: .35rem; }
.rewrite .rw-after { background: var(--ok-bg); border-color: var(--ok-line); }
.rewrite p { margin: 0; }
.say { border-left: 4px solid var(--brand-bright); padding: .15rem 0 .15rem .9rem; margin: .8rem 0; color: var(--ink); font-style: italic; }
.evidence { border: 1px solid var(--line); border-left: 4px solid var(--brand-bright); border-radius: var(--radius); background: var(--bg-alt); padding: .8rem 1.1rem; margin: 1.2rem 0; }
.evidence p { margin: 0; }
.evidence .ev-label { font-weight: 700; color: var(--brand-ink); }
.failure-signs { border: 1px solid var(--warn-line); background: var(--warn-bg); border-radius: var(--radius); padding: .8rem 1.1rem; margin: 1.2rem 0; }
.failure-signs h3 { margin-top: 0; font-size: 1.02rem; }
.failure-signs ul { margin-bottom: 0; }