/* ==========================================================================
   Blog page
   ========================================================================== */

.blog-hero {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  text-align: center;
  background:
    radial-gradient(circle at 30% 20%, var(--color-accent-light) 0%, transparent 40%),
    radial-gradient(circle at 70% 80%, var(--color-accent-light) 0%, transparent 50%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.blog-hero__container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-hero__eyebrow {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--spacing-md);
}

.blog-hero__title {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin: 0 0 var(--spacing-md);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.blog-hero__lead {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 auto;
}

/* Filters */

.blog-list {
  padding: var(--spacing-2xl) 0;
}

.blog-list__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.blog-filter {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.55rem 1.2rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.blog-filter:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.blog-filter.is-active {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

/* Grid */

.blog-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1080px) {
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-card--featured { grid-column: 1 / -1; }
}

/* Card */

.blog-card {
  display: grid;
  gap: 0;
  background: var(--color-surface);
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--color-border);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, 0.18);
}

.blog-card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-accent-light);
  position: relative;
  overflow: hidden;
}

.blog-card--featured .blog-card__media {
  aspect-ratio: 21 / 9;
}

@media (min-width: 1080px) {
  .blog-card--featured {
    grid-template-columns: 1.4fr 1fr;
    align-items: stretch;
  }
  .blog-card--featured .blog-card__media { aspect-ratio: auto; height: 100%; min-height: 380px; }
}

.blog-card__media svg { width: 100%; height: 100%; display: block; }

.blog-card__category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.blog-card__body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.blog-card__meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

.blog-card__title {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.3;
  margin: 0;
  color: var(--color-text);
}

.blog-card--featured .blog-card__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.blog-card__excerpt {
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
  font-size: 0.95rem;
}

.blog-card__footer {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-card__author {
  font-size: 0.85rem;
  color: var(--color-text);
}

.blog-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.blog-card__read-more svg { width: 1rem; height: 1rem; transition: transform 0.25s ease; }
.blog-card:hover .blog-card__read-more svg { transform: translateX(4px); }

/* Article view */

.blog-article {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg);
}

.blog-article__back {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 auto var(--spacing-xl);
  width: fit-content;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.6rem 1.4rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.blog-article__back:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.blog-article__back svg { width: 1rem; height: 1rem; }

.blog-article__container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-article__header {
  max-width: 880px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
}

.blog-article__hero {
  aspect-ratio: 21 / 9;
  border-radius: 1.25rem;
  overflow: hidden;
  margin: 0 0 var(--spacing-xl);
  background: var(--color-accent-light);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.18);
}

.blog-article__hero svg { width: 100%; height: 100%; display: block; }

.blog-article__category {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--spacing-sm);
}

.blog-article__title {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 var(--spacing-md);
  color: var(--color-text);
  letter-spacing: -0.015em;
}

.blog-article__meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

.blog-article__meta > span[aria-hidden="true"] { opacity: 0.4; }

.blog-article__content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-article__content p {
  margin: 0 0 var(--spacing-md);
}

.blog-article__content p:first-of-type::first-letter {
  font-family: var(--font-heading);
  font-size: 4em;
  float: left;
  line-height: 0.85;
  margin: 0.1em 0.1em 0 0;
  color: var(--color-accent);
}

.blog-article__content h2 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.6rem;
  margin: var(--spacing-xl) 0 var(--spacing-sm);
  color: var(--color-text);
}

.blog-article__content blockquote {
  margin: var(--spacing-xl) 0;
  padding-left: var(--spacing-md);
  border-left: 3px solid var(--color-accent);
  font-style: italic;
  font-size: 1.2rem;
  font-family: var(--font-heading);
  color: var(--color-text);
}

.blog-article__content ul {
  padding-left: 1.4rem;
  margin: 0 0 var(--spacing-md);
}

.blog-article__content li {
  margin-bottom: 0.4rem;
}

/* Reading progress bar — fixed top */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  z-index: 9990;
  pointer-events: none;
}

.reading-progress__bar {
  height: 100%;
  width: 0;
  background: var(--color-accent);
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(74, 124, 89, 0.4);
}

/* Article wrapper with sticky TOC */
.blog-article__wrap {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.blog-article__body {
  min-width: 0;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 1024px) {
  .blog-article__wrap {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: var(--spacing-2xl);
  }
  .blog-article__body { margin: 0; max-width: none; }
}

.blog-toc {
  display: none;
}

@media (min-width: 1024px) {
  .blog-toc {
    display: block;
    position: sticky;
    top: var(--spacing-2xl);
    padding: var(--spacing-md) 0;
    border-left: 1px solid var(--color-border);
    padding-left: var(--spacing-md);
  }
}

.blog-toc__title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-md);
}

.blog-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.blog-toc__link {
  display: block;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.3rem 0;
  border-left: 2px solid transparent;
  margin-left: -16px;
  padding-left: 14px;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.blog-toc__link:hover {
  color: var(--color-text);
  transform: translateX(2px);
}

.blog-toc__link.is-active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  font-weight: 500;
}



/* Share buttons */
.blog-share {
  margin: var(--spacing-xl) 0 var(--spacing-lg);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.blog-share__label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-right: var(--spacing-xs);
}

.blog-share__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.blog-share__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.blog-share__btn--copy.is-copied {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  border-color: var(--color-accent);
}

.blog-share__btn svg {
  width: 18px;
  height: 18px;
}

.blog-share__btn--native {
  width: auto;
  padding: 0 var(--spacing-md);
  border-radius: 999px;
}