/* Blog (/blog uk, /ru/blog, /en/blog) — static articles, one URL per language (see README → Blog).
   Same look as /about and /services: always dark, navy + gold/red glow, "liquid glass" cards
   (values duplicated from about.css on purpose — keep them in sync when tuning).
   "Read more": the full text is in the HTML (indexable, visible without JS); <html class="js"> collapses it
   and blog.js opens it. */

.blog-page {
  --bl-gold: var(--color-accent);
  --bl-gold-light: #ffd27a;
  --bl-surface: rgba(22, 33, 62, 0.72);
  --bl-text: var(--color-gray-300);
  --bl-ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  position: relative;
  color: var(--color-white);
  background:
    radial-gradient(ellipse 60% 40% at 10% 0%, rgba(233, 69, 96, 0.16) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at 95% 25%, rgba(243, 156, 18, 0.1) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 5% 80%, rgba(243, 156, 18, 0.08) 0%, transparent 70%),
    linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  overflow-x: clip;
}

.blog-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .blog-container {
    padding: 0 var(--spacing-lg);
  }
}

.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bl-gold);
}

.blog-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bl-gold));
}

/* ---------------------------------------------------------------- Hero */

.blog-hero {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-2xl);
}

@media (min-width: 1024px) {
  .blog-hero {
    padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-3xl);
  }
}

.blog-breadcrumbs {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.blog-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.25);
}

.blog-breadcrumbs a {
  color: var(--color-gray-300);
  text-decoration: none;
}

.blog-breadcrumbs a:hover {
  color: var(--bl-gold-light);
}

.blog-hero__title {
  max-width: 820px;
  margin: var(--spacing-md) 0 var(--spacing-lg);
  font-size: clamp(2.1rem, 5vw, 3.75rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-white);
}

.blog-hero__accent {
  background: linear-gradient(120deg, var(--bl-gold-light) 0%, var(--bl-gold) 55%, #ff7a8f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-hero__lead {
  max-width: 680px;
  margin: 0 0 var(--spacing-xl);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--bl-text);
}

.blog-hero__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* Section chips + language switch: glass pills */
.blog-chips,
.blog-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-chip,
.blog-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-full);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.16);
  transition: background-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.blog-chip:hover,
.blog-lang:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 210, 122, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.blog-chip img {
  width: 20px;
  height: 15px;
  object-fit: cover;
  border-radius: 3px;
}

.blog-chip img.blog-chip__logo {
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.blog-lang {
  padding: 8px 14px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
}

.blog-lang[aria-current="page"] {
  color: var(--color-primary-dark);
  background: linear-gradient(135deg, var(--bl-gold-light), var(--bl-gold));
  box-shadow: 0 8px 20px -10px rgba(243, 156, 18, 0.8);
}

/* ---------------------------------------------------------------- Groups */

.blog-group {
  padding: var(--spacing-2xl) 0;
  scroll-margin-top: 90px;
}

.blog-group__head {
  margin-bottom: var(--spacing-xl);
}

.blog-group__title {
  margin: var(--spacing-sm) 0 var(--spacing-sm);
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-white) 30%, var(--bl-gold-light) 75%, var(--bl-gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-group__text {
  max-width: 640px;
  margin: 0;
  color: var(--bl-text);
}

.blog-group__list {
  display: grid;
  gap: var(--spacing-lg);
}

/* ---------------------------------------------------------------- Post card */

.blog-post {
  position: relative;
  padding: var(--spacing-xl);
  border: 1px solid transparent;
  border-radius: 24px;
  background:
    linear-gradient(var(--bl-surface), var(--bl-surface)) padding-box,
    linear-gradient(150deg, rgba(243, 156, 18, 0.4), rgba(255, 255, 255, 0.08) 40%, rgba(233, 69, 96, 0.3)) border-box;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  scroll-margin-top: 90px;
}

.blog-post:target {
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.6), 0 0 0 2px rgba(255, 210, 122, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.blog-post__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.blog-post__logos {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.blog-post__logos img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 8px 18px -8px rgba(0, 0, 0, 0.6);
}

.blog-post__x {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--bl-gold);
}

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

.blog-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-full);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.blog-tag img {
  width: 18px;
  height: 13px;
  object-fit: cover;
  border-radius: 3px;
}

.blog-tag--time {
  color: var(--bl-gold-light);
  background: rgba(243, 156, 18, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 210, 122, 0.3);
}

.blog-post__title {
  margin: 0 0 var(--spacing-md);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.blog-post__title a {
  color: var(--color-white);
  text-decoration: none;
}

.blog-post__title a:hover {
  color: var(--bl-gold-light);
}

.blog-post p {
  margin: 0 0 var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--bl-text);
}

.blog-post strong {
  color: var(--color-white);
}

.blog-post h4 {
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--bl-gold-light);
}

/* Full text. Without JS it is simply shown; with JS it is hidden until "read more" and then fades in.
   (Still in the HTML, so it is indexed. A height transition via grid-template-rows was dropped as unreliable.) */
.js .blog-post:not(.is-open) .blog-post__more {
  display: none;
}

.js .blog-post.is-open .blog-post__more {
  animation: blogReveal 0.45s var(--bl-ease) both;
}

@keyframes blogReveal {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Fade at the bottom of the teaser while collapsed */
.js .blog-post:not(.is-open) .blog-post__teaser {
  -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 70%, transparent 100%);
}

.blog-post__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* "Read more" only makes sense with JS */
.blog-post__toggle {
  display: none;
}

.js .blog-post__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.blog-post__chevron {
  transition: transform 0.3s var(--bl-ease);
}

.blog-post.is-open .blog-post__chevron {
  transform: rotate(180deg);
}

.blog-post__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.blog-post__cta svg {
  transition: transform var(--transition-normal);
}

.blog-post__cta:hover svg {
  transform: translateX(4px);
}

/* ---------------------------------------------------------------- Bottom CTA */

.blog-cta {
  padding: var(--spacing-2xl) 0 var(--spacing-5xl);
}

.blog-cta__panel {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-2xl) var(--spacing-xl);
  text-align: center;
  border: 1px solid transparent;
  border-radius: 28px;
  background:
    radial-gradient(ellipse 70% 80% at 0% 0%, rgba(233, 69, 96, 0.2), transparent 70%) padding-box,
    radial-gradient(ellipse 60% 70% at 100% 100%, rgba(243, 156, 18, 0.18), transparent 70%) padding-box,
    linear-gradient(var(--bl-surface), var(--bl-surface)) padding-box,
    linear-gradient(150deg, rgba(243, 156, 18, 0.7), rgba(255, 255, 255, 0.1) 45%, rgba(233, 69, 96, 0.6)) border-box;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7), 0 18px 50px -30px rgba(243, 156, 18, 0.45);
}

.blog-cta__title {
  margin: var(--spacing-sm) 0 var(--spacing-md);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.blog-cta__text {
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  color: var(--bl-text);
}

.blog-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

/* ---------------------------------------------------------------- Mobile */

@media (max-width: 767px) {
  .blog-hero__lead {
    font-size: var(--font-size-base);
  }

  .blog-post {
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: 20px;
  }

  .blog-post p {
    font-size: var(--font-size-sm);
  }

  .blog-post h4 {
    font-size: var(--font-size-base);
  }

  .blog-post__logos img {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .blog-post__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-post__actions .btn {
    justify-content: center;
  }

  .blog-cta__panel {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

/* ---------------------------------------------------------------- Accessibility */

@media (prefers-reduced-motion: reduce) {
  .js .blog-post.is-open .blog-post__more {
    animation: none;
  }

  .blog-post__chevron,
  .blog-post__cta svg {
    transition: none;
  }
}

@media (prefers-contrast: high) {
  .blog-post,
  .blog-cta__panel {
    background: var(--color-black);
    box-shadow: inset 0 0 0 2px var(--color-white);
  }

  .blog-group__title,
  .blog-hero__accent {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: var(--color-white);
  }
}

@media print {
  .blog-page {
    color: #000;
    background: #fff;
  }

  .js .blog-post:not(.is-open) .blog-post__more {
    display: block;
  }

  .blog-post__actions,
  .blog-hero__bar,
  .blog-cta {
    display: none;
  }
}