/* =================== ROOT / RESET =================== */

em { font-style: normal; color: var(--accent); }

/* =================== TYPOGRAPHY =================== */

/* =================== BUTTONS =================== */

/* =================== TOPBAR =================== */

.topbar__social a:hover { background: var(--accent); color: #ffffff; }

/* =================== PAGE HERO =================== */
.page-hero {
  position: relative;
  background: var(--dark);
  padding: 80px 0 90px;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(13, 92, 245, 0.30), transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(30, 167, 255, 0.15), transparent 45%);
}
.page-hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 70px 70px;
}
.page-hero__inner { position: relative; }

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}
.breadcrumb a { color: rgba(255,255,255,0.5); transition: color .25s var(--t); }

.breadcrumb i { font-size: 0.65rem; }
.breadcrumb span { color: rgba(255,255,255,0.85); font-weight: normal; }

.page-hero__content { max-width: 680px; margin-bottom: 52px; }
.page-hero__title {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  color: #ffffff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.page-hero__desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 560px;
}

/* =================== POST TAG =================== */
.post-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.post-tag--compliance {
  background: rgba(30, 167, 255, 0.1);
  color: #0078c8;
}
.post-tag--case {
  background: rgba(11, 30, 63, 0.08);
  color: var(--dark);
}
.post-tag--howto {
  background: rgba(13, 92, 245, 0.06);
  color: var(--accent-dark);
}

/* =================== POST META =================== */
.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.post-meta__author { display: flex; align-items: center; gap: 8px; }
.post-meta__avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.post-meta__avatar--1 { background: linear-gradient(135deg, #0d5cf5, #1ea7ff); }
.post-meta__avatar--2 { background: linear-gradient(135deg, #0b1e3f, #0d5cf5); }
.post-meta__avatar--3 { background: linear-gradient(135deg, #1ea7ff, #0942b8); }
.post-meta__avatar--4 { background: linear-gradient(135deg, #122c54, #1ea7ff); }
.post-meta__name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}
.post-meta__sep { color: var(--text-mute); font-size: 0.75rem; }
.post-meta__date, .post-meta__read {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}
.post-meta__date i, .post-meta__read i { color: var(--accent); font-size: 0.72rem; }

/* =================== FEATURED POST =================== */
.featured {
  padding: 80px 0 0;
  background: var(--bg);
}
.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  transition: all .4s var(--t);
  position: relative;
}
.featured-post::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 4px;
  background: var(--accent);
  transition: width .5s var(--t);
  z-index: 2;
}
.featured-post:hover {
  box-shadow: 0 32px 64px rgba(13, 92, 245, 0.14);
  border-color: var(--accent);
  transform: translateY(-6px);
}
.featured-post:hover::before { width: 100%; }

.featured-post__thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  overflow: hidden;
}
.featured-post__thumb--metal-det { background: linear-gradient(135deg, #0b1e3f 0%, #1a3a6e 50%, #0d5cf5 100%); }

.featured-post__thumb::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.featured-post__thumb-icon {
  font-size: 5.5rem;
  color: rgba(255,255,255,0.8);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.4));
}
.featured-post__badge {
  position: absolute;
  top: 20px; left: 20px;
  padding: 6px 14px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 50px;
  font-family: 'Archivo', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  z-index: 2;
}
.featured-post__body {
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-post__title {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
}
.featured-post__excerpt {
  color: var(--text-dim);
  font-size: 0.975rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

/* =================== BLOG LISTING =================== */
.blog-listing {
  padding: 80px 0 100px;
  background: var(--bg-2);
  position: relative;
}
.blog-listing::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(13, 92, 245, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 92, 245, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.blog-listing .container { position: relative; }

/* Filter Bar */

.filter-pill {
  padding: 13px 28px;
  border: none;
  background: transparent;
  border-radius: 50px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.97rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  transition: all .3s var(--t);
  white-space: nowrap;
}

.filter-pill.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(13, 92, 245, 0.35);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

/* Post Card */
.post-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: all .4s var(--t);
  position: relative;
  display: flex;
  flex-direction: column;
}
.post-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--accent);
  transition: width .4s var(--t);
  z-index: 2;
}
.post-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 24px 50px rgba(13, 92, 245, 0.14);
}
.post-card:hover::before { width: 100%; }
.post-card.hidden { display: none; }

.post-card__thumb {
  aspect-ratio: 16/9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.post-card__thumb--metal    { background: linear-gradient(135deg, #0b1e3f 0%, #1a3a6e 100%); }
.post-card__thumb--weigh    { background: linear-gradient(135deg, #0d5cf5 0%, #0942b8 100%); }
.post-card__thumb--vision   { background: linear-gradient(135deg, #0b2d52 0%, #0d5cf5 100%); }
.post-card__thumb--xray     { background: linear-gradient(135deg, #122c54 0%, #1ea7ff 100%); }
.post-card__thumb--capsule  { background: linear-gradient(135deg, #0b3a6e 0%, #0d5cf5 100%); }
.post-card__thumb--counting { background: linear-gradient(135deg, #06102a 0%, #0b1e3f 100%); }
.post-card__thumb--filler   { background: linear-gradient(135deg, #0942b8 0%, #1ea7ff 100%); }
.post-card__thumb--roller   { background: linear-gradient(135deg, #0b2040 0%, #122c54 100%); }
.post-card__thumb--industry { background: linear-gradient(135deg, #0d4fa0 0%, #0d5cf5 100%); }

.post-card__thumb::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.post-card__thumb-icon {
  font-size: 2.8rem;
  color: rgba(255,255,255,0.85);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.3));
}
.post-card__read-time {
  position: absolute;
  bottom: 14px; right: 14px;
  padding: 5px 12px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  font-family: 'Archivo', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.04em;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 5px;
}
.post-card__read-time i { color: var(--accent-2); font-size: 0.65rem; }

.post-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-card__title {
  font-size: 1.08rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.35;
  transition: color .25s var(--t);
}
.post-card:hover .post-card__title { color: var(--accent); }
.post-card__excerpt {
  color: var(--text-dim);
  font-size: 0.87rem;
  line-height: 1.68;
  margin-bottom: 18px;
  flex: 1;
}
.post-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap .25s var(--t);
  margin-top: auto;
}
.post-card__link:hover { gap: 14px; }

/* Load More */
.load-more-wrap {
  display: flex;
  justify-content: center;
}
.load-more-btn {
  padding: 16px 44px;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
}

/* =================== NEWSLETTER =================== */
.newsletter {
  background: var(--dark);
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.newsletter::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 40%, rgba(13, 92, 245, 0.25), transparent 55%),
    radial-gradient(circle at 15% 60%, rgba(30, 167, 255, 0.12), transparent 45%);
}
.newsletter::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.newsletter__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.newsletter__text p {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}
.newsletter__title {
  font-family: 'Archivo', sans-serif;
  font-weight: 900;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: #ffffff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.newsletter__title em { color: var(--accent-2); }
.newsletter__form { display: flex; flex-direction: column; gap: 14px; }
.newsletter__field {
  display: flex;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  padding: 8px 8px 8px 24px;
  backdrop-filter: blur(10px);
}
.newsletter__field input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
}
.newsletter__field input::placeholder { color: rgba(255,255,255,0.35); }
.newsletter__field .btn { flex-shrink: 0; padding: 12px 22px; font-size: 0.82rem; }
.newsletter__disclaimer {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  padding: 0 4px;
}
.newsletter__status {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  padding: 0 4px;
  margin: 0;
}
.newsletter__status--error { color: #f87171; }

/* =================== CTA =================== */
.cta {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
}
.cta__bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 60%, #0d5cf5 100%);
}
.cta__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 70px 70px;
}
.cta__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta__title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 20px;
}

.cta__desc {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 44px;
}

/* =================== FOOTER ===================
   Matches home.css's footer (the site's reference design). */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding-top: 90px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer__grid {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 50px;
  padding-bottom: 70px;
}
.footer__brand { flex: 0 1 240px; min-width: 200px; }
.footer__col { flex: 1 1 0; min-width: 140px; }
.footer__brand p { color: rgba(255,255,255,0.65); margin: 22px 0; font-size: 0.95rem; line-height: 1.7; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: #ffffff;
  transition: all .3s var(--t);
}
.footer__social a:hover { background: var(--accent); color: #ffffff; transform: translateY(-4px); }
.footer__col h5 {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  text-transform: none;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: #ffffff;
  position: relative;
  padding-bottom: 12px;
}
.footer__col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  transition: all .25s var(--t);
  display: inline-flex; align-items: center; gap: 6px;
}
.footer__contact p { color: rgba(255,255,255,0.65); font-size: 0.92rem; margin-bottom: 16px; line-height: 1.7; }
.footer__contact a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: none;
}
.footer__contact a i { color: var(--accent-2); width: 18px; flex-shrink: initial; }
.footer__contact a:hover { color: #ffffff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.footer__bottom-inner {
  display: flex; justify-content: space-between;
  align-items: normal;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* =================== BACK TO TOP =================== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(16px);
  transition: all .35s var(--t);
  z-index: 99;
  box-shadow: 0 8px 24px rgba(13,92,245,0.35);
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-dark); transform: translateY(-3px); }

/* =================== SCROLL REVEAL =================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s var(--t), transform .65s var(--t); }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post__thumb { min-height: 260px; }
  .featured-post__body { padding: 36px 32px; }
  .newsletter__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__grid { flex-wrap: wrap; gap: 40px; }
  .footer__brand { flex: 1 1 100%; }
  .footer__col { flex: 1 1 calc(50% - 20px); min-width: 200px; }
  .nav, .header__cta { display: none; }
  .menu-toggle { display: flex; }
  .nav.open {
    display: block; position: absolute; top: 100%; left: 0; right: 0;
    background: #ffffff; border-top: 1px solid var(--line);
    padding: 20px; box-shadow: 0 10px 30px rgba(11, 30, 63, 0.08);
  }
  .nav.open ul { flex-direction: column; gap: 0; }
  .nav.open a { display: flex; width: 100%; justify-content: space-between; padding: 14px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .mega { display: none; }
  .hero__meta { flex-wrap: wrap; gap: 24px; }
  .hero__meta-div { display: none; }
  .hero__meta-item { padding: 0; }
}
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .featured-post__body { padding: 32px 28px; }
  .featured { padding: 64px 0 0; }
  .blog-listing { padding: 64px 0 80px; }
  .newsletter { padding: 70px 0; }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .filter-bar { border-radius: 16px; }
  .footer { padding-top: 44px; }
  .footer__grid { flex-direction: column; }
  .footer__brand, .footer__col { flex: 1 1 auto; width: 100%; min-width: 0; }
  .cta__actions { flex-direction: column; align-items: center; }
  .newsletter__field { flex-direction: column; border-radius: 16px; padding: 16px; }
  .newsletter__field .btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .featured-post__body { padding: 28px 20px; }
  .featured-post__thumb { min-height: 200px; }
}