/* ============================================================
   v6-blog.css — drop-in look-and-feel upgrade for apritch.co.uk
   Keep v5.css, then add:  <link rel="stylesheet" href="v6-blog.css">
   Also add to <head>:
     <meta name="viewport" content="width=device-width, initial-scale=1">
   ============================================================ */

:root {
  --bg: #ece8e1;
  --paper: #fbfaf7;
  --ink: #1c1b19;
  --muted: #5c5a55;
  --line: #ddd8cf;
  --accent: #0f6e6e;
  --accent-soft: #e4f3f2;
  --warm: #c45c26;
  --nav: #2a2e2e;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(28, 27, 25, 0.08);
  --measure: 40rem;
}

html { scroll-behavior: smooth; }

body {
  font: 18px/1.65 "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 400px at 50% -80px, #d9e4df 0%, transparent 70%),
    var(--bg);
  color: var(--ink);
}

a { color: var(--accent); }
a:hover { color: #0a4f4f; }

h1, h2, h3, h4 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin: 0 0 0.35rem; }
h2 { font-size: clamp(1.4rem, 2.5vw, 1.85rem); }
h3, h4, dt { font-size: 1.35rem; margin: 2.2rem 0 0.7rem; }

p { margin: 0 0 1rem; line-height: 1.7; }

/* ---- layout: fluid instead of 730px postage stamp ---- */
#navbar-main,
#header-main {
  width: min(1120px, calc(100% - 32px));
  max-width: 1120px;
  box-sizing: border-box;
}

#navbar-main {
  margin: 16px auto -1px;
  font-size: 0.82rem;
}

#navbar-main p {
  text-align: left;
  color: var(--muted);
}

#navbar-main a,
#navbar-main a.active,
#navbar-main a:hover {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 6px 10px;
  margin: 0 2px 0 0;
  border-radius: 999px;
}

#navbar-main a.active,
#navbar-main a:hover {
  background: #fff;
  color: var(--ink);
}

#header-main {
  margin: 0 auto 28px;
  padding: 22px 28px 32px;
  background: var(--paper);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
}

#navbar-sub a,
#navbar-sub a.active,
#navbar-sub a:hover {
  background: #efece6;
  border: 1px solid var(--line);
  border-radius: 999px;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  margin: 0 6px 10px 0;
  display: inline-block;
}

#navbar-sub a.active {
  background: var(--nav);
  color: #fff;
  border-color: var(--nav);
}

/* Hero: keep the radio photo, make the text readable on any width */
#header-sub-radio,
#header-sub-uiview,
#header-sub-weather {
  height: auto;
  min-height: 220px;
  border-radius: 12px;
  background-size: cover;
  background-position: center right;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 0 8px;
}

#header-sub-radio h2,
#header-sub-radio p {
  width: min(34rem, 92%);
  text-shadow: 0 1px 12px rgba(0,0,0,0.55);
}

/* Two-column content that collapses cleanly */
#content {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

#content-primary {
  float: none;
  width: auto;
  flex: 1 1 0;
  min-width: 0;
  padding: 0 8px 0 0;
  border-right: 1px solid var(--line);
}

#content-general {
  float: none;
  width: 230px;
  flex: 0 0 230px;
  position: sticky;
  top: 16px;
}

#content-general a {
  width: auto;
  background: transparent;
  border-left: 2px solid transparent;
  border-radius: 0;
  padding: 6px 8px;
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.35;
}

#content-general a:hover {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--ink);
  text-decoration: none;
}

/* Images and video should never blow the column */
#content-primary img,
#content-primary video {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  margin: 0.4rem 0 1.1rem;
  box-shadow: 0 6px 18px rgba(28,27,25,0.08);
}

#content-primary video {
  background: #111;
  width: 100%;
}

/* Treat each H4 block more like an entry */
#content-primary h4 {
  scroll-margin-top: 18px;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

#content-primary h4:first-of-type {
  border-top: 0;
  padding-top: 0;
}

#footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 32px;
  background: transparent;
  border: 0;
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
  z-index: 20;
}
.skip-link:focus { left: 12px; }

#logo p.tagline {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1rem;
}

.page-intro {
  margin: 18px 0 8px;
  color: var(--muted);
  max-width: 46rem;
}

article.entry {
  padding: 1.6rem 0 0.4rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 18px;
}
article.entry:first-of-type { border-top: 0; padding-top: 0.2rem; }

article.entry h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  margin: 0 0 0.35rem;
}

.meta {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

article.entry ul {
  list-style: disc;
  margin: 0 0 1rem 1.2rem;
  padding: 0;
}
article.entry li { margin: 0 0 0.45rem; }

.tags { margin: 1rem 0 0.4rem; }
.tag {
  display: inline-block;
  margin: 0 6px 8px 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  text-decoration: none;
}
.tag:hover { text-decoration: none; background: #d3ecea; }

.media, figure {
  margin: 0.4rem 0 1.1rem;
}
.media iframe,
article.entry iframe {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 10;
  height: auto;
  min-height: 280px;
  border: 0;
  border-radius: 10px;
  background: #111;
}

pre.formula {
  overflow-x: auto;
  background: #f3efe8;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.92rem;
  line-height: 1.4;
}

#content-general h2 {
  font-size: 1.05rem;
  font-family: inherit;
  margin: 0 0 10px;
  letter-spacing: 0;
}

.hubs {
  display: grid;
  gap: 16px;
  margin: 0 0 1.5rem;
}
@media (min-width: 720px) {
  .hubs { grid-template-columns: 1fr 1fr; }
}
.hub {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px 10px;
  background: #fff;
}
.hub h2 {
  font-size: 1.15rem;
  margin: 0 0 8px;
  padding: 0;
  border: 0;
}
.hub ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hub li { margin: 0; }
.hub a {
  display: block;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.hub a:last-child { border-bottom: 0; }
.hub a:hover { text-decoration: underline; }

.feature-card {
  margin: 0 0 1.4rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
}
.feature-card h2 {
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.4rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
table.log {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.35;
}
table.log th,
table.log td {
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.log thead th {
  background: var(--accent-soft);
  font-weight: 600;
  white-space: nowrap;
}
table.log tbody tr:hover td { background: #f7f4ee; }
table.log tr.year-row td {
  background: #efeae2;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.mux {
  margin: 0 0 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 18px;
}
.mux:first-of-type { border-top: 0; padding-top: 0; }
.mux h2 {
  font-size: 1.12rem;
  margin: 0 0 0.35rem;
}
.mux .meta { margin-bottom: 0.55rem; }
.mux ul {
  columns: 2;
  column-gap: 1.4rem;
  margin: 0;
  padding: 0 0 0 1.1rem;
}
@media (max-width: 640px) {
  .mux ul { columns: 1; }
}

.thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0.5rem 0 1rem;
}
.thumbs a { line-height: 0; }
.thumbs img {
  width: 110px;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  margin: 0;
  box-shadow: none;
}
.thumbs img.wide { width: 370px; height: 110px; }
.thumbs img.compare { width: 240px; height: 220px; }

@media (max-width: 860px) {
  body { font-size: 17px; }
  #navbar-main p { text-align: left; }
  #header-main { padding: 16px 16px 22px; }
  #content { display: block; }
  #content-primary {
    border-right: 0;
    padding: 0;
  }
  #content-general {
    width: auto;
    position: static;
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  #content-general a { display: inline-block; margin: 0 8px 8px 0; }
}
