/* ============================================
   MASTERCLASS PAGE
============================================ */
.mc-hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.mc-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,240,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,240,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 20%, transparent 100%);
}

.mc-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
  position: relative;
}

.mc-desc {
  font-size: 1.02rem;
  color: var(--text3);
  line-height: 1.82;
  margin-bottom: 2rem;
  max-width: 520px;
}

.mc-proof {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
}

.mc-proof-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-right: 2rem;
}

.mc-proof-val {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.mc-proof-label {
  font-size: 0.72rem;
  color: var(--text4);
  letter-spacing: 0.2px;
}

.mc-proof-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
  margin-right: 2rem;
  flex-shrink: 0;
}

.mc-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.mc-pay-note {
  font-size: 0.78rem;
  color: var(--text4);
  line-height: 1.55;
}

/* HERO CARD */
.mc-hero-card {
  padding: 1.75rem;
  position: sticky;
  top: 88px;
}

.mc-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 1.25rem;
}

.mc-includes {
  list-style: none;
  margin-bottom: 1.5rem;
}

.mc-includes li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.mc-includes li:last-child { border-bottom: none; }

.mci-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.mci-icon.green { background: rgba(0,232,122,0.1); border: 1px solid var(--green-border); color: var(--green); }
.mci-icon.cyan  { background: var(--cyan-glow); border: 1px solid var(--cyan-border); color: var(--cyan); }
.mci-icon.orange{ background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.22); color: var(--orange); }

.mc-includes li > div strong {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.mc-includes li > div span {
  font-size: 0.76rem;
  color: var(--text4);
  line-height: 1.5;
}

.mc-card-price {
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.mc-card-amount {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}

.mc-card-amount span { font-size: 1rem; font-weight: 400; color: var(--text3); }

.mc-card-note {
  font-size: 0.74rem;
  color: var(--text4);
}

/* FOR WHOM */
.mc-whom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.mc-whom-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.mc-whom-title.good { color: var(--green); }
.mc-whom-title.bad  { color: #FCA5A5; }

.mc-whom-list { list-style: none; }

.mc-whom-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text2);
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  line-height: 1.5;
}

.mc-whom-list li svg { flex-shrink: 0; margin-top: 1px; }
.mc-whom-list li:last-child { border-bottom: none; }

/* WARNING */
.mc-warning {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 3.5rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.mc-warning svg { flex-shrink: 0; margin-top: 2px; }
.mc-warning h4  { color: var(--orange); margin-bottom: 6px; }
.mc-warning p   { font-size: 0.88rem; color: var(--text3); line-height: 1.72; }
.mc-warning a   { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

.mc-cta-final {
  text-align: center;
  padding: 3rem 0 0;
}

.mc-cta-final h2 { margin-bottom: 0.75rem; }
.mc-cta-final p  { color: var(--text3); margin-bottom: 2rem; font-size: 0.95rem; }

/* ============================================
   ABOUT PAGE
============================================ */
.about-mission-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.about-mission-grid > div > p {
  margin-bottom: 0;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-value-card {
  padding: 1.5rem;
}

.av-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--cyan-glow);
  border: 1px solid var(--cyan-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.about-value-card h4 { margin-bottom: 6px; font-size: 0.9rem; }
.about-value-card p  { font-size: 0.82rem; color: var(--text3); line-height: 1.65; }

/* ABOUT SERVICES */
.about-services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.as-card { padding: 1.75rem; display: flex; flex-direction: column; }

.asc-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.as-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.as-card p  { font-size: 0.83rem; color: var(--text3); line-height: 1.65; flex: 1; }

/* ============================================
   BLOG
============================================ */
.blog-post-page {
  padding: 100px 0 80px;
}

.blog-post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}

/* POST */
.bp-header { margin-bottom: 2rem; }

.bp-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.bp-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text4);
}

.bp-dot { opacity: 0.4; }

.bp-thumb {
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.bp-img {
  width: 100%;
  height: auto;
  display: block;
}

.bp-content { margin-bottom: 2rem; }

.bp-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.bp-tags, .bp-share {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text4);
}

.share-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: 0.82rem;
}

/* BLOG SIDEBAR */
.blog-sidebar {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bs-cta { padding: 1.5rem; }
.bs-cta h4 { margin-bottom: 6px; }
.bs-cta p  { font-size: 0.82rem; color: var(--text3); line-height: 1.6; }

.recent-post-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: opacity var(--transition);
}

.recent-post-link:last-child { border-bottom: none; }
.recent-post-link:hover { opacity: 0.8; }

.rpl-title {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}

.rpl-date {
  font-size: 0.72rem;
  color: var(--text4);
}

/* BLOG ARCHIVE */
.blog-archive-page { padding-bottom: 80px; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }

.bc-thumb-wrap { display: block; overflow: hidden; height: 200px; }
.bc-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .bc-thumb { transform: scale(1.03); }

.bc-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }

.bc-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.bc-title a {
  color: var(--text);
  transition: color var(--transition);
}

.bc-title a:hover { color: var(--cyan); }

.bc-excerpt {
  font-size: 0.84rem;
  color: var(--text3);
  line-height: 1.68;
  flex: 1;
  margin-bottom: 1.25rem;
}

.bc-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--text4);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.bc-read-more { color: var(--cyan); }

.blog-pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-pagination a,
.blog-pagination span {
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text3);
  transition: all var(--transition);
}

.blog-pagination a:hover,
.blog-pagination .current {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* ============================================
   LEGAL PAGES
============================================ */
.legal-body {
  max-width: 780px;
  margin: 0 auto;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
  .about-services { grid-template-columns: repeat(2, 1fr); }
  .blog-grid      { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .mc-hero-inner      { grid-template-columns: 1fr; }
  .mc-hero-card       { position: static; }
  .mc-whom-grid       { grid-template-columns: 1fr; }
  .about-mission-grid { grid-template-columns: 1fr; }
  .about-values       { grid-template-columns: 1fr 1fr; }
  .about-services     { grid-template-columns: 1fr 1fr; }
  .blog-post-layout   { grid-template-columns: 1fr; }
  .blog-sidebar       { position: static; }
}

@media (max-width: 640px) {
  /* Masterclass mobile — compact everything */
  .mc-hero            { padding: 80px 0 48px; }

  /* Stats: stay horizontal on mobile but smaller */
  .mc-proof           { gap: 0; flex-wrap: nowrap; }
  .mc-proof-item      { padding-right: 1rem; }
  .mc-proof-val       { font-size: 1.15rem; }
  .mc-proof-label     { font-size: 0.65rem; }
  .mc-proof-divider   { height: 28px; margin-right: 1rem; }

  /* CTA button full width on mobile */
  .mc-actions         { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .mc-actions .btn-lg { width: 100%; justify-content: center; font-size: 0.95rem; }
  .mc-pay-note        { font-size: 0.73rem; }

  /* Hero card: show after content on mobile, no sticky */
  .mc-hero-card       { position: static; margin-top: 2rem; }

  /* Other pages */
  .about-values     { grid-template-columns: 1fr; }
  .about-services   { grid-template-columns: 1fr; }
  .blog-grid        { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .mc-proof-val     { font-size: 1rem; }
  .mc-proof-item    { padding-right: 0.75rem; }
  .mc-proof-divider { margin-right: 0.75rem; }
}

/* ============================================
   MASTERCLASS GUIDE PAGE
============================================ */
.guide-page { padding-bottom: 80px; }

/* Header */
.guide-header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 80px 0 32px;
  margin-bottom: 0;
}
.guide-header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}
.guide-breadcrumb {
  font-size: 0.8rem;
  color: var(--text4);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.guide-breadcrumb a { color: var(--cyan); text-decoration: none; }
.guide-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.guide-subtitle { color: var(--text3); font-size: 1rem; margin-bottom: 1rem; }
.guide-meta {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text3);
}
.guide-meta span { display: flex; align-items: center; gap: 5px; }
.guide-access-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--cyan-glow);
  border: 1px solid var(--cyan-border);
  border-radius: 10px;
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Layout */
.guide-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  align-items: start;
  padding-top: 2.5rem;
}

/* Table of Contents */
.guide-toc {
  position: sticky;
  top: 80px;
}
.guide-toc-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.guide-toc-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text4);
  margin-bottom: 12px;
}
.guide-toc-link {
  display: block;
  padding: 7px 10px;
  font-size: 0.82rem;
  color: var(--text3);
  text-decoration: none;
  border-radius: 7px;
  transition: all 0.15s;
  margin-bottom: 2px;
  border-left: 2px solid transparent;
}
.guide-toc-link:hover { color: var(--text); background: var(--bg2); }
.guide-toc-link.active {
  color: var(--cyan);
  background: var(--cyan-glow);
  border-left-color: var(--cyan);
  font-weight: 600;
}
.guide-toc-support {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.guide-toc-support p { font-size: 0.78rem; color: var(--text4); margin-bottom: 0.6rem; }

/* Chapter content */
.guide-chapter { padding: 2.5rem 0 1rem; }
.guide-ch-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}
.guide-chapter h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 1.1rem;
  line-height: 1.25;
}
.guide-chapter h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 0.75rem;
  color: var(--text);
}
.guide-chapter p { color: var(--text2); line-height: 1.8; margin-bottom: 1rem; }
.guide-chapter a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

.guide-chapter-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 1rem 0;
}

/* Lists */
.guide-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1rem;
}
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 1.6;
}
.guide-list li:last-child { border-bottom: none; }
.guide-list li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Code blocks */
.guide-code-wrap {
  margin: 1rem 0 1.25rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.guide-code-desc {
  padding: 6px 14px;
  font-size: 0.75rem;
  color: var(--text4);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.guide-code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  background: #0D1117;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.guide-code-bar span { font-size: 0.72rem; color: #6B7280; font-family: var(--font-mono); }
.guide-copy-btn {
  font-size: 0.72rem;
  color: #9CA3AF;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 2px 10px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.guide-copy-btn:hover { color: #00C8F0; border-color: #00C8F0; }
.guide-code {
  background: #0D1117;
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
}
.guide-code code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: #00E87A;
  white-space: pre;
  line-height: 1.7;
}
.guide-inline-code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 7px;
  color: var(--cyan);
}

/* Notes / callouts */
.guide-note {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 10px;
  border-left: 3px solid var(--cyan);
  background: var(--cyan-glow);
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 1rem 0;
}
.guide-note.warning { border-color: var(--orange); background: rgba(200,100,0,0.08); }
.guide-note.success { border-color: var(--green); background: var(--green-glow); }
.guide-note strong { color: var(--text); }
.guide-note code { font-family: var(--font-mono); font-size: 0.82rem; color: var(--cyan); }

/* Highlight box */
.guide-highlight-box {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 1.25rem 0;
}
.ghb-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ghb-icon.cyan { background: var(--cyan-glow); border: 1px solid var(--cyan-border); color: var(--cyan); }
.ghb-icon.green { background: var(--green-glow); border: 1px solid var(--green-border); color: var(--green); }
.guide-highlight-box p { margin: 4px 0 0; color: var(--text3); font-size: 0.9rem; line-height: 1.65; }

/* Tables */
.guide-table-wrap { overflow-x: auto; margin: 1rem 0 1.25rem; border-radius: 10px; border: 1px solid var(--border); }
.guide-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.guide-table th { background: var(--bg2); padding: 10px 16px; text-align: left; font-size: 0.78rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.3px; border-bottom: 1px solid var(--border); }
.guide-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); color: var(--text2); vertical-align: top; line-height: 1.5; }
.guide-table tr:last-child td { border-bottom: none; }
.guide-table tr:hover td { background: var(--bg2); }
.guide-badge { display: inline-block; padding: 1px 8px; background: var(--cyan-glow); border: 1px solid var(--cyan-border); border-radius: 4px; font-size: 0.72rem; color: var(--cyan); font-weight: 600; margin-left: 6px; }

/* Steps */
.guide-steps { margin: 1rem 0 1.25rem; display: flex; flex-direction: column; gap: 8px; }
.guide-step {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.6;
}
.gs-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--bg);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Two-column cards */
.guide-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; }
.guide-card-sm {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.guide-card-sm p { font-size: 0.875rem; color: var(--text3); margin: 8px 0 0; line-height: 1.6; }
.gcs-badge {
  display: inline-block; padding: 3px 12px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; font-size: 0.78rem; font-weight: 700; color: var(--text2);
  margin-bottom: 6px;
}
.gcs-badge.cyan { background: var(--cyan-glow); border-color: var(--cyan-border); color: var(--cyan); }
.gcs-badge.green { background: var(--green-glow); border-color: var(--green-border); color: var(--green); }

/* Provider grid */
.guide-provider-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin: 1rem 0; }
.guide-provider-card {
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: relative;
  transition: border-color 0.15s;
}
.guide-provider-card.top-pick { border-color: var(--cyan-border); background: var(--cyan-glow); }
.gpc-badge { font-size: 0.7rem; font-weight: 700; color: var(--cyan); margin-bottom: 8px; }
.gpc-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.gpc-price { font-size: 0.82rem; color: var(--green); font-weight: 600; margin-bottom: 2px; }
.gpc-bw { font-size: 0.75rem; color: var(--text4); margin-bottom: 8px; }
.gpc-desc { font-size: 0.78rem; color: var(--text3); line-height: 1.5; }

/* Troubleshooting */
.guide-trouble-item { margin: 1.25rem 0; }
.gti-problem {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(200,100,0,0.08);
  border: 1px solid rgba(200,100,0,0.2);
  border-radius: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: 10px;
}
.gti-problem::before { content: '⚠'; }

/* Support CTA */
.guide-support-cta {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}
.guide-support-cta h3 { margin-bottom: 0.5rem; }
.guide-support-cta p { color: var(--text3); margin-bottom: 1.25rem; }

/* Light mode */
body.dph-light .guide-header { background: #F4F6FB; }
body.dph-light .guide-code-wrap { border-color: #D1D5DB; }
body.dph-light .guide-code { background: #0D1117; }
body.dph-light .guide-code-bar { background: #161B22; }
body.dph-light .guide-table th { background: #F4F6FB; color: #374151; }
body.dph-light .guide-table tr:hover td { background: #F9FAFB; }
body.dph-light .guide-step { background: #F9FAFB; }
body.dph-light .guide-highlight-box { background: #F4F6FB; }
body.dph-light .guide-toc-link { color: #374151; }
body.dph-light .guide-toc-link:hover { background: #F4F6FB; color: #060F1E; }
body.dph-light .guide-inline-code { background: #F3F4F6; border-color: #D1D5DB; color: #0055CC; }

/* Responsive */
@media (max-width: 900px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-toc { position: static; }
  .guide-toc-inner { border-radius: 10px; margin-bottom: 1rem; }
  .guide-header-inner { flex-direction: column; gap: 1rem; }
  .guide-two-col { grid-template-columns: 1fr; }
  .guide-provider-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .guide-provider-grid { grid-template-columns: 1fr; }
  .guide-chapter h2 { font-size: 1.35rem; }
  .guide-step { flex-direction: row; }
}