/* ──────────────────────────────────────────────
   OptiCall Blog — shares the tokens and chrome of
   the EU Insights landing (index.html), plus the
   long-form reading styles the landing has no need for.
   ────────────────────────────────────────────── */

:root{
  --bone: #f4f1ec;
  --bone-2: #ecE7dE;
  --paper: #fbf9f5;
  --ink: #0b0b0c;
  --ink-2: #1a1a1d;
  --ink-soft: #2e2e32;
  --slate: #6a6a72;
  --slate-2: #8a8a92;
  --line: #d6d1c6;
  --line-2: #c2bdb1;
  --line-soft: #e4dfd4;

  --accent: #d93b1c;
  --accent-ink: #8a1f0a;
  --accent-wash: #f7e6df;

  --moss: #2d5a3d;
  --moss-wash: #dfe8dc;

  --ff-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --ff-serif: 'Instrument Serif', 'Times New Roman', serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-sans);
  background:var(--bone);
  color:var(--ink);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"ss01","cv11","tnum" 0;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

.eyebrow{font-family:var(--ff-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--slate)}
.mono{font-family:var(--ff-mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
@media(max-width:720px){.wrap{padding:0 20px}}

/* ── Top bar ────────────────────────────────── */
.announce{border-bottom:1px solid var(--line);background:var(--ink);color:var(--bone);font-size:12.5px}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1280px;margin:0 auto;padding:9px 32px}
.announce-left{display:flex;align-items:center;gap:10px;font-family:var(--ff-mono);font-size:11px;letter-spacing:0.02em;opacity:0.9}
.announce-pulse{width:6px;height:6px;border-radius:50%;background:#5fd38a;box-shadow:0 0 0 0 rgba(95,211,138,0.7);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(95,211,138,0.5)}70%{box-shadow:0 0 0 8px rgba(95,211,138,0)}100%{box-shadow:0 0 0 0 rgba(95,211,138,0)}}
.announce-right{display:flex;align-items:center;gap:18px;opacity:0.85}
.announce-link{display:inline-flex;align-items:center;gap:6px}
.announce-link:hover{opacity:0.7}
@media(max-width:720px){.announce-right .hide-s{display:none}}

nav{position:sticky;top:0;z-index:50;background:rgba(244,241,236,0.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-0.02em}
.brand-mark{width:26px;height:26px;border-radius:6px;background:var(--ink);color:var(--bone);display:grid;place-items:center;font-family:var(--ff-serif);font-style:italic;font-size:18px;line-height:1;position:relative}
.brand-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:8px;height:8px;background:var(--accent);border-radius:50%;border:2px solid var(--bone)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:13.5px;color:var(--ink-soft);font-weight:450;letter-spacing:-0.005em}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:500}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-link-ghost{font-size:13.5px;padding:9px 14px;color:var(--ink-soft);font-weight:500}
.nav-link-ghost:hover{color:var(--ink)}
@media(max-width:960px){.nav-links{display:none}}

.btn{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;letter-spacing:-0.005em;padding:10px 16px;border-radius:8px;transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--ink);color:var(--bone)}
.btn-primary:hover{background:var(--accent-ink)}
.btn-primary .arrow{transition:transform .18s}
.btn-primary:hover .arrow{transform:translateX(2px)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn-outline:hover{border-color:var(--ink);background:var(--paper)}
.btn-lg{font-size:14.5px;padding:13px 22px;border-radius:9px}

/* ── Blog index ─────────────────────────────── */
.blog-head{padding:72px 0 44px;border-bottom:1px solid var(--line)}
.blog-head h1{font-family:var(--ff-serif);font-weight:400;font-size:clamp(40px,5.4vw,68px);line-height:1.0;letter-spacing:-0.02em;margin:22px 0 18px;text-wrap:balance}
.blog-head h1 em{font-style:italic;color:var(--accent-ink)}
.blog-head p{max-width:62ch;font-size:16.5px;line-height:1.65;color:var(--ink-soft)}

.post-list{padding:8px 0 72px}
.post-row{display:grid;grid-template-columns:180px 1fr;gap:40px;padding:36px 0;border-bottom:1px solid var(--line-soft);align-items:start}
.post-row:hover .post-title{color:var(--accent-ink)}
.post-meta{font-family:var(--ff-mono);font-size:11px;letter-spacing:0.04em;color:var(--slate);text-transform:uppercase;padding-top:6px}
.post-meta .post-tag{display:inline-block;margin-bottom:8px;padding:4px 9px;border:1px solid var(--line-2);border-radius:999px;background:var(--paper);color:var(--ink-soft);font-size:10.5px;letter-spacing:0.08em}
.post-title{font-family:var(--ff-serif);font-weight:400;font-size:clamp(26px,3vw,36px);line-height:1.1;letter-spacing:-0.015em;transition:color .18s ease;text-wrap:balance}
.post-excerpt{margin-top:14px;max-width:68ch;font-size:15.5px;line-height:1.68;color:var(--ink-soft)}
.post-more{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:13.5px;font-weight:500;color:var(--accent-ink)}
.post-more:hover{gap:11px}
@media(max-width:720px){.post-row{grid-template-columns:1fr;gap:14px}.post-meta{padding-top:0}}

/* ── Article ────────────────────────────────── */
.article-head{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.crumb{display:inline-flex;align-items:center;gap:7px;font-family:var(--ff-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--slate);margin-bottom:26px}
.crumb:hover{color:var(--ink)}
.article-head h1{font-family:var(--ff-serif);font-weight:400;font-size:clamp(38px,5.2vw,66px);line-height:1.02;letter-spacing:-0.02em;max-width:20ch;text-wrap:balance}
.article-head h1 em{font-style:italic;color:var(--accent-ink)}
.article-standfirst{margin-top:24px;max-width:62ch;font-size:18px;line-height:1.6;color:var(--ink-soft)}
.article-byline{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:32px;font-family:var(--ff-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--slate)}
.article-byline .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2)}

.article-body{display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px;padding:56px 0 88px;align-items:start}
@media(max-width:1020px){.article-body{grid-template-columns:1fr;gap:0}}

.toc{position:sticky;top:88px}
.toc h4{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--slate);font-weight:400;margin-bottom:14px}
.toc a{display:block;font-size:13px;line-height:1.45;color:var(--slate);padding:6px 0 6px 12px;border-left:1px solid var(--line);}
.toc a:hover{color:var(--ink);border-left-color:var(--accent)}
@media(max-width:1020px){.toc{position:static;margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--line-soft)}}

.prose{max-width:68ch}
.prose > p{font-size:17px;line-height:1.72;color:var(--ink-2);margin-bottom:20px}
.prose > p.lede{font-size:19px;line-height:1.65}
.prose h2{font-family:var(--ff-serif);font-weight:400;font-size:clamp(28px,3.4vw,40px);line-height:1.12;letter-spacing:-0.015em;margin:56px 0 20px;scroll-margin-top:88px;text-wrap:balance}
.prose h2 em{font-style:italic;color:var(--accent-ink)}
.prose h3{font-size:19px;font-weight:600;letter-spacing:-0.01em;margin:38px 0 14px;scroll-margin-top:88px}
.prose h3 .num{font-family:var(--ff-mono);font-size:13px;color:var(--accent);margin-right:8px;font-weight:400}
.prose strong{font-weight:600;color:var(--ink)}
.prose em{font-style:italic}
.prose a{color:var(--accent-ink);border-bottom:1px solid var(--accent-wash);transition:border-color .18s}
.prose a:hover{border-bottom-color:var(--accent)}
.prose ul{margin:0 0 22px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:22px;font-size:16.5px;line-height:1.68;color:var(--ink-2);margin-bottom:10px}
.prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:0.55}
.prose hr{border:none;border-top:1px solid var(--line);margin:52px 0}

.callout{border-left:2px solid var(--accent);background:var(--paper);padding:20px 24px;margin:28px 0;border-radius:0 8px 8px 0}
.callout p{font-size:16.5px;line-height:1.65;color:var(--ink-2)}
.callout p + p{margin-top:12px}
.callout .callout-label{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:10px}

.pull{font-family:var(--ff-serif);font-size:clamp(24px,2.8vw,32px);line-height:1.22;letter-spacing:-0.015em;color:var(--ink);margin:40px 0;padding-left:24px;border-left:2px solid var(--accent)}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0}
@media(max-width:720px){.compare{grid-template-columns:1fr}}
.compare-card{border:1px solid var(--line);border-radius:10px;padding:22px;background:var(--paper)}
.compare-card .c-lbl{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:12px}
.compare-card.is-bad{border-color:#e3c4bb}
.compare-card.is-bad .c-lbl{color:var(--accent-ink)}
.compare-card.is-good{border-color:#c3d4c3}
.compare-card.is-good .c-lbl{color:var(--moss)}
.compare-card p{font-size:16px;line-height:1.6;color:var(--ink-2)}

.checklist{border:1px solid var(--line);border-radius:10px;padding:26px 28px;margin:30px 0;background:var(--paper)}
.checklist h4{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--slate);font-weight:400;margin-bottom:16px}
.checklist ul{margin:0}
.checklist ul li{padding-left:26px;font-size:15.5px;margin-bottom:11px}
.checklist ul li::before{content:"";left:0;top:6px;width:12px;height:7px;border-radius:0;background:none;border-left:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);transform:rotate(-45deg);opacity:0.75}

.phase{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:26px 0;border-top:1px solid var(--line-soft)}
.phase-when{font-family:var(--ff-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--accent-ink);white-space:nowrap;padding-top:3px}
.phase h3{margin:0 0 10px}
@media(max-width:720px){.phase{grid-template-columns:1fr;gap:8px}}

/* the byline row is mono/uppercase; a person's name should not be shouted */
.byline-author{display:inline-flex;align-items:center;gap:7px;font-family:var(--ff-sans);font-size:13px;font-weight:500;letter-spacing:-0.005em;text-transform:none;color:var(--ink);border-bottom:1px solid var(--line-2);padding-bottom:1px}
.byline-author:hover{color:var(--accent-ink);border-bottom-color:var(--accent)}
.byline-author svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.author-card{display:grid;grid-template-columns:auto 1fr;gap:20px;margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.author-avatar{width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--bone);display:grid;place-items:center;font-family:var(--ff-mono);font-size:15px;letter-spacing:0.02em}
.author-name{font-weight:600;font-size:16px;letter-spacing:-0.01em;margin-bottom:8px}
.author-bio{font-size:15px;line-height:1.68;color:var(--slate);font-style:italic}
.author-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;font-weight:500;color:var(--accent-ink)}
.author-link:hover{gap:11px}
.author-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:560px){.author-card{grid-template-columns:1fr}}
.disclaimer{font-family:var(--ff-mono);font-size:11.5px;line-height:1.7;letter-spacing:0.01em;color:var(--slate);border:1px dashed var(--line-2);border-radius:8px;padding:16px 18px;margin:32px 0}

.article-cta{border-top:1px solid var(--line);background:var(--bone-2);padding:64px 0}
.article-cta .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.article-cta h3{font-family:var(--ff-serif);font-weight:400;font-size:clamp(26px,3vw,36px);line-height:1.12;letter-spacing:-0.015em;max-width:22ch}
.article-cta p{margin-top:12px;max-width:52ch;font-size:15.5px;line-height:1.6;color:var(--ink-soft)}
.article-cta .cta-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ── Footer ─────────────────────────────────── */
footer{background:var(--bone);padding:72px 0 32px;color:var(--ink)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.foot-brand p{font-size:13.5px;color:var(--slate);line-height:1.6;margin-top:16px;max-width:280px}
.foot-col h5{font-family:var(--ff-mono);font-size:10.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--slate);margin-bottom:16px;font-weight:400}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-soft);margin-bottom:9px;font-weight:450}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--ff-mono);font-size:11px;color:var(--slate)}
.foot-lang{display:flex;gap:4px}
.foot-lang a{padding:4px 10px;border-radius:6px;font-size:11.5px;color:var(--slate)}
.foot-lang a[aria-current="page"]{background:var(--ink);color:var(--bone)}
.foot-lang a:hover{color:var(--ink)}
.foot-lang a[aria-current="page"]:hover{color:var(--bone)}
.foot-social{display:flex;gap:8px}
.foot-social a{width:32px;height:32px;border-radius:7px;border:1px solid var(--line-2);display:grid;place-items:center;color:var(--ink-soft)}
.foot-social a:hover{border-color:var(--ink);color:var(--ink)}
.foot-social svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:1020px){.foot-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:640px){.foot-grid{grid-template-columns:1fr 1fr}.foot-bottom{flex-direction:column;align-items:flex-start}}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
@media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}html{scroll-behavior:auto}}