/* =========================================================
   IT Tutor Pro — editorial blog (index, archive, single)
   Adapted from Help Healing posts layout + ITTP brand tokens
   ========================================================= */

.ittp-blog-shell {
  --ittp-blog-layout: min(1152px, calc(100% - 3rem));
  --ittp-blog-aside: 17.5rem;
  --ittp-blog-gap: 2rem;
  --ittp-blog-ink: var(--ittp-navy, #0c2340);
  --ittp-blog-muted: var(--ittp-muted, #5a6b7d);
  --ittp-blog-line: rgba(12, 35, 64, 0.12);
  --ittp-blog-surface: #ffffff;
  --ittp-blog-accent: var(--ittp-brand, #119cd3);
  --ittp-blog-accent-dark: var(--ittp-brand-dark, #0e8bb8);
  font-family: var(--ittp-font-family);
  color: var(--ittp-blog-ink);
  background: #fff;
}

/* Shared navy + grid banner (same treatment as For Individuals / Universities) */
.ittp-blog-shell .ittp-inner-hero {
  margin-bottom: 0;
  min-height: clamp(160px, 21vw, 240px);
  background: var(--ittp-navy, #0c2340);
}

.ittp-blog-shell .ittp-inner-hero__bg {
  mask-image: none;
  opacity: 1;
}

.ittp-blog-shell .ittp-inner-hero__visual {
  display: none !important;
}

.ittp-blog-shell .ittp-inner-hero__copy {
  max-width: none;
}

.ittp-blog-shell .ittp-inner-hero__accent {
  color: var(--ittp-brand, #119cd3);
}

.ittp-blog-shell .ittp-inner-hero__note {
  color: #e7aa00;
  font-weight: 700;
}

.ittp-blog-index {
  padding: clamp(2rem, 4vw, 3rem) 0 4.5rem;
}

.ittp-blog-empty {
  padding: 2rem 0 4rem;
  color: var(--ittp-blog-muted);
}

/* ---------- Infinite scroll ---------- */
.ittp-blogs-infinite-ready .ittp-pagination {
  display: none !important;
}

.ittp-blogs-infinite {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin: 2rem 0 0.5rem;
  min-height: 3.5rem;
}

.ittp-blogs-infinite[hidden] {
  display: none !important;
}

.ittp-blogs-infinite__sentinel {
  width: 100%;
  height: 1px;
  margin: 0;
  padding: 0;
  pointer-events: none;
  visibility: hidden;
}

.ittp-blogs-infinite__status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  width: min(100%, 18rem);
  padding: 0.35rem 0;
  color: var(--ittp-blog-muted);
  font-size: 0.875rem;
  font-weight: 600;
}

.ittp-blogs-infinite__status[hidden] {
  display: none !important;
}

.ittp-blogs-infinite__bar {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(17, 156, 211, 0.16);
}

.ittp-blogs-infinite__bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 40%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ittp-brand, #119cd3), var(--ittp-brand-dark, #0e8bb8));
  animation: ittp-blogs-bar 1.1s ease-in-out infinite;
}

.ittp-blogs-infinite__label {
  text-align: center;
}

.ittp-blogs-infinite__end {
  margin: 0;
  padding: 0.7rem 1.15rem;
  max-width: 32rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ittp-blog-muted);
  background: color-mix(in srgb, var(--ittp-surface-muted, #eef2f7) 70%, #fff);
  border: 1px solid var(--ittp-border, #d5dde8);
  border-radius: 999px;
}

.ittp-blogs-infinite__end[hidden] {
  display: none !important;
}

.ittp-blogs-infinite.is-complete .ittp-blogs-infinite__sentinel,
.ittp-blogs-infinite.is-complete .ittp-blogs-infinite__status {
  display: none !important;
}

@keyframes ittp-blogs-bar {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(320%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ittp-blogs-infinite__bar-fill {
    width: 100%;
    animation: none;
    opacity: 0.85;
  }
}

/* ---------- Post cards ---------- */
.ittp-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.ittp-post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--ittp-blog-surface);
  border: 1px solid rgba(12, 35, 64, 0.06);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(12, 35, 64, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ittp-post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(12, 35, 64, 0.1);
}

.ittp-post-card__media {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #d9e1ea;
}

.ittp-post-card__img,
.ittp-post-card__placeholder {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.ittp-post-card__placeholder {
  background: linear-gradient(135deg, #cfe8f4, #d7e2ef);
}

.ittp-post-card:hover .ittp-post-card__img {
  transform: scale(1.04);
}

.ittp-post-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem 1.3rem 1.4rem;
}

.ittp-post-card__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
  color: var(--ittp-blog-muted);
  font-size: 0.78rem;
}

.ittp-post-card__title {
  margin: 0 0 0.7rem;
  font-family: var(--ittp-font-family);
  font-size: 1.2rem;
  font-weight: 750;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.ittp-post-card__title a {
  color: var(--ittp-blog-ink);
  text-decoration: none;
}

.ittp-post-card__title a:hover,
.ittp-post-card__title a:focus-visible {
  color: var(--ittp-blog-accent);
}

.ittp-post-card__excerpt {
  margin: 0 0 1.2rem;
  color: var(--ittp-blog-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.ittp-post-card__more {
  margin-top: auto;
  color: var(--ittp-blog-accent);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.ittp-post-card__more span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.ittp-post-card:hover .ittp-post-card__more span {
  transform: translateX(3px);
}

/* ---------- Pills ---------- */
.ittp-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.2rem 0.85rem;
  border: 1px solid var(--ittp-blog-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ittp-blog-ink);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.ittp-pill--soft {
  border-color: rgba(17, 156, 211, 0.22);
  background: rgba(17, 156, 211, 0.1);
  color: var(--ittp-blog-accent-dark);
}

/* ---------- Single article ---------- */
.ittp-article {
  padding: 2.75rem 0 4.5rem;
}

.ittp-article__inner {
  width: var(--ittp-blog-layout);
  max-width: 100%;
  margin-inline: auto;
  padding-inline: 0;
  box-sizing: border-box;
}

.ittp-article__inner--with-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--ittp-blog-aside);
  gap: var(--ittp-blog-gap);
  align-items: start;
  width: var(--ittp-blog-layout);
}

.ittp-article__main {
  min-width: 0;
  max-width: 100%;
}

.ittp-article__aside {
  position: sticky;
  top: calc(var(--ittp-header-h, 76px) + 1.75rem);
  margin-top: 0;
  width: 100%;
  min-width: 0;
}

/* ---------- AI summarize card ---------- */
.ittp-ai-summarize {
  padding: 1.2rem 1.15rem 1.25rem;
  background: var(--ittp-blog-surface);
  border: 1px solid rgba(12, 35, 64, 0.07);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(12, 35, 64, 0.08);
}

.ittp-ai-summarize__title {
  margin: 0 0 0.4rem;
  color: var(--ittp-blog-ink);
  font-family: var(--ittp-font-family);
  font-size: 1.02rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.ittp-ai-summarize__hint {
  margin: 0 0 0.95rem;
  color: var(--ittp-blog-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.ittp-ai-summarize__buttons {
  display: grid;
  gap: 0.5rem;
}

.ittp-ai-btn {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(12, 35, 64, 0.1);
  border-radius: 12px;
  background: #f4f6f9;
  color: var(--ittp-blog-ink);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.ittp-ai-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(12, 35, 64, 0.1);
  color: var(--ittp-blog-ink);
}

.ittp-ai-btn__icon {
  display: inline-flex;
  flex: 0 0 auto;
  color: inherit;
}

.ittp-ai-btn__icon svg {
  width: 17px;
  height: 17px;
}

.ittp-ai-btn--chatgpt {
  background: #eaf6f3;
  border-color: rgba(47, 143, 154, 0.28);
  color: #1f6f6a;
}

.ittp-ai-btn--chatgpt:hover {
  background: #dff0ec;
  border-color: rgba(47, 143, 154, 0.4);
  color: #175a56;
}

.ittp-ai-btn--google {
  background: #eef7fc;
  border-color: rgba(17, 156, 211, 0.28);
  color: #0c6f99;
}

.ittp-ai-btn--google:hover {
  background: #e3f1fa;
  border-color: rgba(17, 156, 211, 0.4);
  color: #0a5c80;
}

.ittp-ai-btn--perplexity {
  background: #eef3f8;
  border-color: rgba(12, 35, 64, 0.14);
  color: #2a3a4f;
}

.ittp-ai-btn--perplexity:hover {
  background: #e5edf5;
  border-color: rgba(12, 35, 64, 0.22);
  color: var(--ittp-blog-ink);
}

.ittp-ai-btn--claude {
  background: #f7f1ea;
  border-color: rgba(224, 162, 64, 0.35);
  color: #8a5a1c;
}

.ittp-ai-btn--claude:hover {
  background: #f1e8dd;
  border-color: rgba(224, 162, 64, 0.5);
  color: #6f4816;
}

.ittp-article__header {
  margin-bottom: 2rem;
  text-align: left;
  width: 100%;
}

.ittp-article__eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ittp-article__eyebrow a {
  color: var(--ittp-blog-accent);
  text-decoration: none;
}

.ittp-article__eyebrow a:hover {
  color: var(--ittp-blog-accent-dark);
}

.ittp-article__title {
  margin: 0 0 1rem;
  color: var(--ittp-blog-ink);
  font-family: var(--ittp-font-family);
  font-size: clamp(2.1rem, 4.4vw, 3.15rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.035em;
  max-width: none;
}

.ittp-article__dek {
  margin: 0;
  color: var(--ittp-blog-muted);
  font-size: 1.12rem;
  line-height: 1.7;
  max-width: none;
}

.ittp-article__rule {
  width: 100%;
  height: 1px;
  margin: 1.6rem 0 1.35rem;
  border: 0;
  background: var(--ittp-blog-line);
}

.ittp-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.ittp-article__author {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  min-width: 0;
}

.ittp-article__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 3px #fff, 0 0 0 4px rgba(17, 156, 211, 0.45);
}

.ittp-article__author-text {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
}

.ittp-article__byline {
  color: var(--ittp-blog-muted);
  font-size: 0.8rem;
}

.ittp-article__author-text strong {
  color: var(--ittp-blog-ink);
  font-size: 1rem;
  font-weight: 700;
}

.ittp-article__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ittp-article__feature {
  margin: 0 0 2.4rem;
  width: 100%;
}

.ittp-article__feature-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 18px 50px rgba(12, 35, 64, 0.12);
}

.ittp-article__content {
  width: 100%;
  max-width: none;
  color: #2d3642;
  font-family: var(--ittp-font-family);
  font-size: 1.08rem;
  line-height: 1.8;
}

.ittp-article__content img.alignleft,
.ittp-article__content img.alignright,
.ittp-article__content img.aligncenter,
.ittp-article__content img.alignnone,
.ittp-article__content .wp-caption,
.ittp-article__content .wp-block-image {
  float: none !important;
  clear: both;
  display: block;
  width: 100% !important;
  max-width: 100% !important;
  height: auto;
  margin: 2rem 0 !important;
}

.ittp-article__content .wp-caption {
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}

.ittp-article__content .wp-caption img {
  display: block;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(12, 35, 64, 0.1);
}

.ittp-article__content .wp-caption-text {
  margin: 0.75rem 0 0;
  color: var(--ittp-blog-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  text-align: left;
}

.ittp-article__content p:has(> img:only-child) {
  clear: both;
  margin: 2rem 0;
  padding: 0;
}

.ittp-article__content p:has(> img:only-child) img {
  margin: 0 !important;
}

.ittp-article__content h2,
.ittp-article__content h3,
.ittp-article__content h4,
.ittp-article__content ul,
.ittp-article__content ol,
.ittp-article__content blockquote {
  clear: both;
}

.ittp-article__content > *:first-child {
  margin-top: 0;
}

.ittp-article__content p {
  margin: 0 0 1.35rem;
  max-width: none;
}

.ittp-article__content h2,
.ittp-article__content h3,
.ittp-article__content h4 {
  margin: 2.4rem 0 0.85rem;
  color: var(--ittp-blog-ink);
  font-family: var(--ittp-font-family);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: none;
}

.ittp-article__content h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.85rem);
}

.ittp-article__content h3 {
  font-size: 1.3rem;
}

.ittp-article__content a {
  color: var(--ittp-blog-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.ittp-article__content ul,
.ittp-article__content ol {
  margin: 0 0 1.4rem;
  padding-left: 1.25rem;
}

.ittp-article__content li + li {
  margin-top: 0.45rem;
}

.ittp-article__content blockquote {
  margin: 1.8rem 0;
  padding: 0.2rem 0 0.2rem 1.2rem;
  border-left: 3px solid var(--ittp-blog-accent);
  color: #405060;
  font-size: 1.12rem;
  font-style: italic;
}

.ittp-article__content img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(12, 35, 64, 0.1);
}

.ittp-article__content img[style*="width"],
.ittp-article__content img[style*="max-width"],
.ittp-article__content .wp-caption[style*="width"],
.ittp-article__content figure[style*="width"] {
  width: 100% !important;
  max-width: 100% !important;
}

.ittp-article__content .aligncenter,
.ittp-article__content .alignnone,
.ittp-article__content .alignleft,
.ittp-article__content .alignright {
  float: none !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.ittp-article__content .ittp-table-scroll {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  -webkit-overflow-scrolling: touch;
}

.ittp-article__content table {
  width: 100%;
  border-collapse: collapse;
}

.ittp-article__footer {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ittp-blog-line);
}

.ittp-article__back {
  color: var(--ittp-blog-ink);
  font-weight: 700;
  text-decoration: none;
}

.ittp-article__back:hover {
  color: var(--ittp-blog-accent);
}

/* ---------- Pagination ---------- */
.ittp-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.ittp-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.ittp-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.7rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ittp-blog-ink);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(12, 35, 64, 0.04);
}

.ittp-pagination .page-numbers.current,
.ittp-pagination .page-numbers:hover {
  background: var(--ittp-blog-accent);
  color: #fff;
}

@media (max-width: 1024px) {
  .ittp-posts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ittp-article__inner--with-aside {
    grid-template-columns: 1fr;
    gap: 0;
    width: min(var(--ittp-blog-layout), calc(100% - 2.5rem));
  }

  .ittp-article__aside {
    position: static;
    order: 2;
    margin-top: 2.25rem;
  }

  .ittp-ai-summarize__buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .ittp-posts-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .ittp-article__meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .ittp-article__feature-img {
    border-radius: 16px;
  }

  .ittp-article {
    padding-top: 1.75rem;
  }

  .ittp-pagination .page-numbers {
    min-width: 44px;
    min-height: 44px;
  }

  .ittp-ai-summarize__buttons {
    grid-template-columns: 1fr;
  }

  .ittp-ai-btn {
    min-height: 48px;
  }

  .ittp-article__content {
    font-size: 1.05rem;
    line-height: 1.7;
  }

  .ittp-article__content img {
    border-radius: 12px;
  }
}

/* Keep sticky aside working (overflow-x:hidden kills sticky) */
html:has(.ittp-blog-shell),
body:has(.ittp-blog-shell) {
  overflow-x: clip !important;
  overflow-y: visible !important;
}

@media (prefers-reduced-motion: reduce) {
  .ittp-post-card,
  .ittp-post-card__img,
  .ittp-post-card__more span,
  .ittp-ai-btn {
    transition: none;
  }

  .ittp-post-card:hover {
    transform: none;
  }

  .ittp-post-card:hover .ittp-post-card__img {
    transform: none;
  }
}