/* Blog: the /blog/ index, post cards, and single posts. Uses the tokens from base.css. */

/* Shared bits */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  margin-left: -4px;
  padding: 0 4px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
}

.back-link:hover {
  color: var(--blue);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 8px;
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-muted);
}

.post-meta-dot {
  opacity: 0.6;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-tag {
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(47, 107, 255, 0.1);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

/* On the post page the tags sit above the date. */
.post-head .post-tags {
  margin-top: 28px;
}

.post-head .post-tags + .post-meta {
  margin-top: 12px;
}

/* Index: hero */

.blog-hero {
  padding: 48px 0 40px;
}

.blog-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 800;
  font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.rss-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.rss-link svg {
  width: 16px;
  height: 16px;
  color: #f2994a;
}

.rss-link:hover {
  color: var(--blue);
  text-decoration: underline;
}

/* Index: list */

/* Hero and list share one .grid-bg wrapper, so the grid paper runs behind the white cards. */
.blog-list {
  padding: 0 0 var(--section-y);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 28px;
}

.post-card-featured + .post-grid {
  margin-top: 28px;
}

/* Post card */

.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(27, 31, 60, 0.1);
  border-radius: 28px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  box-shadow:
    0 2px 4px rgba(27, 31, 60, 0.06),
    var(--shadow-card);
  transition:
    transform 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out);
}

.post-card:hover {
  color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 34px 56px -26px rgba(27, 31, 60, 0.5);
}

.post-card:focus-visible {
  outline-offset: 4px;
}

.post-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
}

.post-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card-placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
}

.post-card-placeholder .bob {
  width: 22%;
  min-width: 64px;
  max-width: 120px;
}

.post-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 24px 26px 28px;
}

.post-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.post-card-desc {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 16px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  text-wrap: pretty;
}

.post-card-more {
  margin-top: auto;
  padding-top: 6px;
  color: var(--blue);
  font-weight: 700;
  font-size: 16px;
}

.post-card:hover .post-card-more {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Only the featured card shows "Read post"; the grid cards stay compact. */
.post-card:not(.post-card-featured) .post-card-more {
  display: none;
}

.post-card-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}

.post-card-featured .post-card-media {
  aspect-ratio: auto;
  min-height: 340px;
}

.post-card-featured .post-card-body {
  justify-content: center;
  gap: 14px;
  padding: 44px 48px;
}

.post-card-featured .post-card-title {
  font-weight: 800;
  font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.post-card-featured .post-card-desc {
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  -webkit-line-clamp: 4;
  line-clamp: 4;
}

.post-card-featured .post-card-more {
  flex: none;
  margin-top: 6px;
}

/* Index: empty state */

.blog-empty {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 72px 24px;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.blog-empty-mascot {
  width: 110px;
  margin-bottom: 12px;
}

.blog-empty .lede {
  margin-inline: auto;
}

/* Single post */

.post {
  --post-col: 720px;
  padding: 32px 0 72px;
}

.post-head {
  max-width: var(--post-col);
}

.post-head .post-meta {
  margin-top: 28px;
}

.post-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 800;
  font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.post-lede {
  margin-top: 20px;
}

.post-hero {
  max-width: 880px;
  margin-block: 40px 0;
}

.post-hero img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.prose {
  max-width: var(--post-col);
  margin: 44px auto 0;
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.15rem);
  color: var(--ink-soft);
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose pre,
.prose table,
.prose figure {
  margin: 0 0 20px;
}

.prose p,
.prose li {
  text-wrap: pretty;
}

.prose strong {
  color: var(--ink);
}

.prose h2,
.prose h3,
.prose h4 {
  margin: 48px 0 14px;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  color: var(--ink);
  text-wrap: balance;
}

.prose h2 {
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.prose h3 {
  margin-top: 36px;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.prose h4 {
  margin-top: 28px;
  font-weight: 700;
  font-size: 1rem;
}

.prose a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.prose a:hover {
  color: var(--ink);
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
}

.prose li {
  margin-bottom: 8px;
  padding-left: 0.2em;
}

.prose li > ul,
.prose li > ol {
  margin: 8px 0 0;
}

.prose li::marker {
  color: var(--blue);
  font-weight: 700;
}

.prose img {
  width: 100%;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

/* Phone screenshots: ![alt](shot.webp){: .screenshot} shows them at phone size, centred. */
.prose img.screenshot {
  width: min(300px, 75%);
  margin-inline: auto;
  border-radius: 28px;
}

/* Squarish images such as charts: ![alt](chart.webp){: .narrow} */
.prose img.narrow {
  width: min(520px, 100%);
  margin-inline: auto;
}

/* A paragraph that only holds an image gets breathing room like a figure. */
.prose p:has(> img:only-child) {
  margin-block: 32px;
}

.prose figure {
  margin-block: 32px;
}

.prose figcaption {
  margin-top: 14px;
  font-size: 15px;
  font-style: italic;
  color: var(--ink-muted);
  text-align: center;
}

.prose blockquote {
  padding: 18px 22px;
  border-left: 4px solid var(--pink);
  border-radius: 0 16px 16px 0;
  background: var(--surface);
  color: var(--ink);
  font-size: 1.05em;
}

.prose blockquote > :last-child {
  margin-bottom: 0;
}

.prose code {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86em;
}

.prose pre {
  overflow-x: auto;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  line-height: 1.6;
}

.prose pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.9em;
}

.prose th,
.prose td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
}

.prose td {
  background: rgba(255, 255, 255, 0.5);
}

.prose hr {
  height: 1px;
  margin: 44px 0;
  border: 0;
  background: var(--line);
}

/* More posts */

.more-posts {
  padding: 24px 0 var(--section-y);
}

/* Line up with the hero image rather than the full page width. */
.more-posts .wrap {
  max-width: 880px;
}

.more-posts-title {
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.2rem);
  letter-spacing: -0.03em;
}

/* Responsive */

/* The featured card stacks a little earlier than the nav collapses, so its
   cover isn't squeezed into a narrow column. */
@media (max-width: 960px) {
  .post-card-featured {
    display: flex;
  }

  .post-card-featured .post-card-media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

  .post-card-featured .post-card-body {
    padding: 26px 26px 30px;
  }
}

@media (max-width: 560px) {
  .blog-hero {
    padding: 24px 0 28px;
  }

  .post {
    padding: 16px 0 56px;
  }

  .post-head .post-meta,
  .post-head .post-tags {
    margin-top: 16px;
  }

  .post-hero {
    margin-top: 28px;
  }

  .prose {
    margin-top: 32px;
  }

  .post-card,
  .post-hero img,
  .blog-empty {
    border-radius: 20px;
  }

  .post-card-body,
  .post-card-featured .post-card-body {
    padding: 20px 20px 24px;
  }

  .post-grid {
    gap: 20px;
  }

  .post-card-featured + .post-grid {
    margin-top: 20px;
  }

  .prose img {
    border-radius: 14px;
  }

  .prose pre {
    margin-inline: calc(var(--gutter) * -1);
    border-radius: 0;
  }

  .prose blockquote {
    padding: 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-card:hover {
    transform: none;
  }
}

/* Guides (/acne-triggers/, /acne-treatments/) and /compare/ */

.post-meta a {
  color: inherit;
}

.guide-hub-lede {
  max-width: 44em;
}

.guide-card-kicker {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guide-card .post-card-title {
  margin-top: 10px;
}

.guide-hub-link {
  margin: 28px 0 0;
  font-weight: 600;
}

.guide-hub-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--blue);
}

.prose .faq-list {
  margin-top: 20px;
}

.prose .faq-a p,
.prose .faq-a li {
  font-size: 1rem;
}

.guide-sources li {
  font-size: 0.95rem;
}

.guide-note {
  margin-top: 40px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--bg);
  color: var(--ink-muted);
  font-size: 0.95rem !important;
}

.compare-table tbody th {
  min-width: 9em;
  background: var(--surface);
}

.compare-table td {
  min-width: 10em;
}

.compare-table th:nth-child(2),
.compare-table td:nth-child(2) {
  background: rgba(47, 107, 255, 0.07);
  color: var(--ink);
  font-weight: 600;
}

/* Evidence grade on trigger guides, their cards and the hub key: the flask mascot
   filled to the grade (_includes/evidence-level.html), saying its verdict in a bubble. */

.ev-A { --g: #1f9d6b; --g-soft: #e3f6ee; }
.ev-B { --g: #2458e8; --g-soft: #e6edff; }
.ev-C { --g: #9a6200; --g-soft: #fdf1da; }
.ev-D { --g: #c93d6f; --g-soft: #fde6ee; }

.ev-flask {
  flex: none;
  overflow: visible;
}

.ev-flask .m-outline,
.ev-flask .m-mark {
  stroke: var(--g);
}

.ev-flask .m-cap {
  fill: var(--g);
}

.ev-flask .ev-wave-front {
  fill: var(--g);
}

.ev-flask .ev-wave-back {
  fill: var(--g);
  opacity: 0.5;
}

.ev-flask .ev-mouth-fill {
  fill: #013193;
}

.ev-grade {
  display: inline-grid;
  place-items: center;
  flex: none;
  border-radius: 50%;
  background: var(--g);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
}

.ev-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px 4px 4px;
  border-radius: 999px;
  background: var(--g-soft);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
}

.ev-chip .ev-grade {
  width: 22px;
  height: 22px;
  font-size: 13px;
}

/* Big box at the top of a guide */

.prose .evidence {
  margin: 0 0 40px;
  padding: 22px;
  border: 2px solid var(--g-soft);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 14px 30px -22px rgba(27, 31, 60, 0.45);
}

.prose .evidence p {
  margin: 0;
}

.ev-head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
}

.ev-say {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  padding: 14px 18px;
  border-radius: 20px;
  background: var(--g-soft);
}

.ev-say::before {
  content: "";
  position: absolute;
  left: -10px;
  bottom: 20px;
  border: 10px solid transparent;
  border-right-color: var(--g-soft);
  border-left: 0;
}

.prose .evidence .ev-say-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 700;
}

.ev-say-line .ev-grade {
  width: 38px;
  height: 38px;
  font-size: 22px;
  transform: rotate(-8deg);
  box-shadow: 0 6px 12px -6px var(--g);
}

.prose .evidence .ev-level {
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.prose .evidence .ev-tag {
  margin-top: 4px;
  color: var(--g);
  font-size: 0.95rem;
  font-weight: 700;
}

.prose .evidence .evidence-summary {
  margin-top: 20px;
  font-size: 1rem;
}

.prose .evidence .evidence-how {
  margin-top: 14px;
  font-size: 0.95rem;
  font-weight: 600;
}

@media (max-width: 420px) {
  .prose .evidence {
    padding: 18px 16px;
  }

  .ev-head {
    gap: 12px;
  }

  .ev-head .ev-flask {
    width: 52px;
    height: 69px;
  }

  .ev-say {
    padding: 12px 14px;
  }
}

/* Small, on the hub and "more guides" cards */

.guide-card-evidence {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 4px;
}

.guide-card-evidence .ev-chip {
  position: relative;
}

.guide-card-evidence .ev-chip::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 50%;
  margin-top: -5px;
  border: 5px solid transparent;
  border-right-color: var(--g-soft);
  border-left: 0;
}

/* Key on the triggers hub */

.evidence-levels {
  max-width: 46em;
  margin-top: 56px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.evidence-levels h2 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.evidence-levels p {
  margin: 0;
  color: var(--ink-soft);
}

.ev-key {
  display: grid;
  gap: 12px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.ev-key-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--g-soft);
}

.evidence-levels .ev-key-row .ev-chip {
  background: var(--surface);
}

.evidence-levels .ev-key-desc {
  margin-top: 6px;
  font-size: 0.95rem;
}

.evidence-levels .ev-key-desc strong {
  color: var(--g);
}

@media (max-width: 420px) {
  .evidence-levels {
    padding: 20px 16px;
  }

  .ev-key-row {
    align-items: flex-start;
    gap: 12px;
  }
}