/* ekbetapp.com — independent guide stylesheet (2026-09 redesign)
   Reading-first layout: narrow text column, reference tables, step lists,
   review stamps. Commercial links are deliberately low-emphasis. */

:root {
  --paper: #f6f4ef;
  --surface: #ffffff;
  --ink: #1c2226;
  --ink-2: #3a4449;
  --muted: #5f686d;
  --line: #d9d4c8;
  --line-2: #ebe7de;
  --accent: #0e5a61;
  --accent-ink: #0a454b;
  --accent-soft: #e2eeee;
  --warn: #8a4a12;
  --warn-soft: #fbf0e2;
  --tip: #2f5f36;
  --tip-soft: #e8f2e6;
  --info-soft: #eaf0f6;
  --info: #2c4f73;
  --radius: 6px;
  --measure: 44rem;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.68 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-ink); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid #e0a526; outline-offset: 2px; }
.wrap { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 50; }
.skip:focus { left: 1rem; }

/* ---------- header ---------- */
.agebar { background: var(--ink); color: #d9dedf; font-size: .82rem; }
.agebar .wrap { display: flex; gap: .75rem; align-items: center; padding-top: .35rem; padding-bottom: .35rem; flex-wrap: wrap; }
.agebar b { background: #fff; color: var(--ink); border-radius: 3px; padding: 0 .35rem; font-weight: 700; }
.agebar a { color: #fff; }

.masthead { background: var(--surface); border-bottom: 1px solid var(--line); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: var(--ink); text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.brand span { display: flex; flex-direction: column; line-height: 1.15; font-family: var(--serif); font-weight: 600; font-size: 1.05rem; }
.brand small { font-family: var(--sans); font-weight: 400; font-size: .75rem; color: var(--muted); }

.mainnav ul { list-style: none; display: flex; gap: .15rem; margin: 0; padding: 0; flex-wrap: wrap; }
.mainnav a { display: block; padding: .45rem .65rem; color: var(--ink-2); text-decoration: none; font-size: .93rem; border-radius: 4px; }
.mainnav a:hover { background: var(--line-2); color: var(--ink); }
.mainnav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.navbtn { display: none; background: none; border: 1px solid var(--line); border-radius: 4px; padding: .45rem .7rem; font: 500 .9rem var(--sans); color: var(--ink); cursor: pointer; }
.header-cta { display: block; order: 3; padding: .45rem .8rem; background: var(--tip); color: #fff; text-decoration: none; font-weight: 600; font-size: .9rem; border-radius: 4px; white-space: nowrap; }
.header-cta:hover { background: #244d2b; color: #fff; }

@media (max-width: 900px) {
  .navbtn { display: inline-block; }
  .header-cta { order: 2; }
  .mainnav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--line); z-index: 20; }
  .mainnav.open { display: block; }
  .mainnav ul { flex-direction: column; padding: .5rem 1rem 1rem; }
  .mainnav a { padding: .7rem .5rem; border-bottom: 1px solid var(--line-2); border-radius: 0; }
  .masthead { position: relative; }
}

/* ---------- breadcrumbs ---------- */
.crumbs { font-size: .85rem; color: var(--muted); padding: 1rem 0 0; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.crumbs li + li::before { content: "/"; margin-right: .35rem; color: var(--line); }
.crumbs a { color: var(--muted); }

/* ---------- page head ---------- */
.pagehead { padding: 1.25rem 0 1.5rem; border-bottom: 1px solid var(--line); margin-bottom: 2rem; }
.kicker { font: 600 .78rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin: 0 0 .5rem; }
h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); line-height: 1.25; font-weight: 600; }
h1 { font-size: clamp(1.85rem, 1.3rem + 2.2vw, 2.6rem); margin: 0 0 .75rem; letter-spacing: -.01em; max-width: 24ch; }
h2 { font-size: 1.6rem; margin: 2.75rem 0 .75rem; padding-top: .25rem; }
h3 { font-size: 1.22rem; margin: 1.75rem 0 .5rem; }
h4 { font-size: 1.05rem; margin: 1.25rem 0 .35rem; }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: var(--measure); margin: 0; }

/* ---------- layout ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; padding-bottom: 3rem; }
@media (min-width: 1000px) {
  .layout.has-toc { grid-template-columns: minmax(0, var(--measure)) 15rem; justify-content: space-between; }
}
.prose { max-width: var(--measure); min-width: 0; }
.prose > section:first-child > h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin: .3rem 0; }
.prose code { font: .9em var(--mono); background: var(--line-2); padding: .05rem .3rem; border-radius: 3px; }

/* table of contents */
.toc { position: sticky; top: 1rem; align-self: start; font-size: .9rem; border-left: 2px solid var(--line); padding-left: 1rem; }
.toc h2 { font: 600 .78rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .5rem; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: .15rem 0; }
.toc a { color: var(--ink-2); text-decoration: none; display: block; padding: .15rem 0; }
.toc a:hover { color: var(--accent); }
@media (max-width: 999px) {
  .toc { position: static; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; order: -1; }
  .toc ol { columns: 2; column-gap: 1.5rem; }
}
@media (max-width: 520px) { .toc ol { columns: 1; } }

/* ---------- review stamp ---------- */
.review { display: grid; grid-template-columns: max-content 1fr; gap: .2rem 1rem; font-size: .88rem; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem 1rem; margin: 1.25rem 0 0; max-width: var(--measure); }
.review dt { font: 600 .74rem/1.9 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.review dd { margin: 0; }
@media (max-width: 520px) { .review { grid-template-columns: 1fr; } .review dd { margin-bottom: .35rem; } }

/* ---------- notes ---------- */
.note { border-left: 4px solid var(--info); background: var(--info-soft); padding: .85rem 1rem; margin: 1.25rem 0; border-radius: 0 var(--radius) var(--radius) 0; }
.note p { margin: 0; }
.note p + p { margin-top: .5rem; }
.note--warn { border-color: var(--warn); background: var(--warn-soft); }
.note--tip { border-color: var(--tip); background: var(--tip-soft); }
.note strong:first-child { display: block; margin-bottom: .15rem; }

/* ---------- tables ---------- */
.tbl { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .94rem; }
caption { text-align: left; font: 600 .8rem var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: .7rem .9rem; border-bottom: 1px solid var(--line); }
th, td { text-align: left; vertical-align: top; padding: .6rem .9rem; border-bottom: 1px solid var(--line-2); }
thead th { background: #faf9f5; font-weight: 600; font-size: .85rem; color: var(--ink-2); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { font-weight: 600; }
td.num { font-family: var(--mono); white-space: nowrap; }

/* key facts */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 1.25rem 0; }
.facts div { background: var(--surface); padding: .75rem .9rem; }
.facts dt { font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.facts dd { margin: .15rem 0 0; font-size: .96rem; }

/* ---------- steps ---------- */
ol.steps { list-style: none; counter-reset: s; padding: 0; margin: 1.25rem 0; }
ol.steps > li { counter-increment: s; position: relative; padding: 0 0 1rem 3rem; margin: 0; }
ol.steps > li::before { content: counter(s); position: absolute; left: 0; top: .05rem; width: 2rem; height: 2rem; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); font: 600 .95rem/1.75rem var(--mono); text-align: center; background: var(--surface); }
ol.steps > li:not(:last-child)::after { content: ""; position: absolute; left: .95rem; top: 2.3rem; bottom: .2rem; width: 2px; background: var(--line); }
ol.steps h3, ol.steps h4 { margin: 0 0 .2rem; font-size: 1.05rem; font-family: var(--sans); }
ol.steps p { margin: 0; }

/* ---------- symptom / fix blocks ---------- */
.fix { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin: 1rem 0; }
.fix h3 { font-family: var(--sans); font-size: 1rem; margin: 0 0 .4rem; }
.fix dl { margin: 0; display: grid; grid-template-columns: 5.5rem 1fr; gap: .25rem .75rem; font-size: .95rem; }
.fix dt { font: 600 .74rem/1.9 var(--mono); text-transform: uppercase; color: var(--muted); }
.fix dd { margin: 0; }
@media (max-width: 520px) { .fix dl { grid-template-columns: 1fr; } }

/* ---------- guide index (hub) ---------- */
.guides { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; margin: 1.25rem 0; }
.guide { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; text-decoration: none; color: var(--ink); }
.guide:hover { border-color: var(--accent); color: var(--ink); }
.guide h3 { margin: 0 0 .3rem; font-size: 1.1rem; color: var(--accent-ink); }
.guide p { margin: 0; font-size: .94rem; color: var(--ink-2); }
.guide .meta { display: block; margin-top: .5rem; font: .74rem var(--mono); color: var(--muted); }

.summary { border-top: 1px solid var(--line); padding-top: .25rem; }
.more { font-weight: 500; }

/* ---------- figures ---------- */
figure { margin: 1.5rem 0; }
figure.shot { display: grid; grid-template-columns: 11rem 1fr; gap: 1.25rem; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
figure.shot.wide { grid-template-columns: 1fr; }
figure.shot img { border-radius: 4px; }
figcaption { font-size: .9rem; color: var(--ink-2); }
figcaption b { display: block; font-family: var(--serif); color: var(--ink); font-size: 1rem; margin-bottom: .2rem; }
@media (max-width: 520px) { figure.shot { grid-template-columns: 1fr; } figure.shot img { max-width: 12rem; margin: 0 auto; } }

/* ---------- FAQ ---------- */
.faq details { border-bottom: 1px solid var(--line); padding: .2rem 0; }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; padding: .7rem 1.75rem .7rem 0; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .25rem; top: .55rem; font: 400 1.3rem var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding: 0 0 .9rem; }
.faq details > div p { margin: 0 0 .5rem; }

/* ---------- commercial link (secondary by design) ---------- */
.operator { border: 1px dashed var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin: 2.5rem 0 1rem; font-size: .92rem; color: var(--ink-2); background: transparent; }
.operator h2 { font: 600 .78rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .4rem; padding: 0; }
.operator p { margin: .35rem 0; }
.operator .oplink { font-weight: 600; }
.disclosure { font-size: .85rem; color: var(--muted); }

/* two-column comparison */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; margin: 1.25rem 0; }
.split > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.split h3 { margin-top: 0; font-size: 1.05rem; }
.split ul { margin: 0; padding-left: 1.1rem; }

/* home intro */
.intro-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start; }
@media (min-width: 860px) { .intro-grid { grid-template-columns: minmax(0, 1fr) 16rem; } }
.intro-grid img { max-width: 14rem; margin: 0 auto; }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: #c9cfd1; font-size: .9rem; padding: 2.5rem 0 1.5rem; margin-top: 2rem; }
.foot a { color: #fff; }
.foot .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1.5rem 2rem; }
.foot h2 { font: 600 .76rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: #fff; margin: 0 0 .6rem; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin: .3rem 0; }
.foot .legal { border-top: 1px solid #3a4449; margin-top: 2rem; padding-top: 1rem; font-size: .82rem; color: #a8b0b3; }
.foot .legal p { margin: .35rem 0; }

@media print {
  .agebar, .masthead, .toc, .foot, .operator { display: none; }
  body { background: #fff; }
}