/* /knowledge/scs/scs.css */

/* ══════════════════════════════════════════
   Breadcrumb
══════════════════════════════════════════ */
.scs-breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.scs-breadcrumb a { color: rgba(255,255,255,.65); transition: color .2s; }
.scs-breadcrumb a:hover { color: #fff; }
.scs-breadcrumb span[aria-hidden] { color: rgba(255,255,255,.4); }

/* ══════════════════════════════════════════
   Hero
══════════════════════════════════════════ */
.scs-hero {
  background: linear-gradient(135deg, #0A1A2F 0%, #003366 60%, #0279a0 100%);
  padding: 5rem 1.5rem 4rem;
  color: #fff;
}

.scs-hero__label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #C5A047;
  background: rgba(197,160,71,.15);
  border: 1px solid rgba(197,160,71,.35);
  padding: .3rem .9rem;
  border-radius: 99px;
  margin-bottom: 1.25rem;
}

.scs-hero__h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: #fff;
}
.scs-hero__h1 span { color: rgba(255,255,255,.85); font-weight: 600; }

.scs-hero__lead {
  font-size: clamp(.95rem, 1.8vw, 1.1rem);
  color: rgba(255,255,255,.8);
  max-width: 680px;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.scs-hero__meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: .82rem;
  color: rgba(255,255,255,.55);
}
.scs-hero__meta i { margin-right: .4rem; color: #C5A047; }

.scs-br-sp { display: none; }
@media (max-width: 600px) { .scs-br-sp { display: inline; } }

/* ══════════════════════════════════════════
   Table of Contents
══════════════════════════════════════════ */
.scs-toc-section {
  background: var(--bg-light);
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.scs-toc {
  max-width: 820px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.scs-toc__title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.scs-toc__title i { color: var(--accent-gold); }

.scs-toc__list {
  list-style: decimal;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.scs-toc__list a {
  font-size: .9rem;
  color: var(--accent-blue);
  transition: color .2s;
}
.scs-toc__list a:hover { color: var(--primary-navy); text-decoration: underline; }

/* ══════════════════════════════════════════
   Sections
══════════════════════════════════════════ */
.scs-section { padding: 5rem 1.5rem; }
.scs-section--gray { background: var(--bg-light); }
.scs-section--dark {
  background: var(--primary-dark);
  color: #fff;
}

.scs-article {
  max-width: 900px;
  margin: 0 auto;
}
.scs-article > p {
  font-size: .97rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.scs-section--dark .scs-article > p { color: rgba(255,255,255,.75); }

/* ══════════════════════════════════════════
   Headings
══════════════════════════════════════════ */
.scs-h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--border);
}
.scs-h2--light { color: #fff; border-bottom-color: rgba(255,255,255,.2); }

.scs-anchor-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--primary-navy);
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}
.scs-anchor-num--light { background: var(--accent-gold); color: #000; }

.scs-h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin: 2rem 0 1rem;
}

/* ══════════════════════════════════════════
   Definition Box
══════════════════════════════════════════ */
.scs-definition-box {
  background: rgba(0,51,102,.05);
  border: 1px solid rgba(0,51,102,.18);
  border-left: 4px solid var(--primary-navy);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  position: relative;
}
.scs-definition-box__label {
  position: absolute;
  top: -.65rem;
  left: 1rem;
  background: var(--primary-navy);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: .15rem .6rem;
  border-radius: 99px;
}
.scs-definition-box p {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* ══════════════════════════════════════════
   Info Cards
══════════════════════════════════════════ */
.scs-info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}
.scs-info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.scs-info-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(0,51,102,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}
.scs-info-card h3 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: .75rem;
}
.scs-info-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.scs-info-card li {
  font-size: .84rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}
.scs-info-card li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
}

/* ══════════════════════════════════════════
   Level Table
══════════════════════════════════════════ */
.scs-level-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.scs-level-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  background: var(--white);
}
.scs-level-table thead {
  background: var(--primary-navy);
  color: #fff;
}
.scs-level-table th {
  padding: .85rem 1rem;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
.scs-level-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}
.scs-level-table tr:last-child td { border-bottom: none; }
.scs-level-table__row--l3 td,
.scs-level-table__row--l4 td { background: rgba(197,160,71,.04); }

.scs-level-badge {
  display: inline-block;
  padding: .25rem .8rem;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 700;
  white-space: nowrap;
}
.scs-level-badge--1 { background: rgba(102,102,102,.12); color: #666; }
.scs-level-badge--2 { background: rgba(2,121,160,.12); color: var(--accent-blue); }
.scs-level-badge--3 { background: rgba(197,160,71,.18); color: #8a6d10; }
.scs-level-badge--4 { background: rgba(0,51,102,.12); color: var(--primary-navy); }

/* ══════════════════════════════════════════
   Callouts
══════════════════════════════════════════ */
.scs-callout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  line-height: 1.7;
  margin: 1.75rem 0;
}
.scs-callout i { font-size: 1.1rem; flex-shrink: 0; margin-top: .15rem; }
.scs-callout div { color: var(--text-secondary); }
.scs-callout strong { color: var(--text-primary); }

.scs-callout--warning {
  background: rgba(220,140,0,.08);
  border: 1px solid rgba(220,140,0,.25);
  border-left: 4px solid #dc8c00;
}
.scs-callout--warning i { color: #dc8c00; }

.scs-callout--info {
  background: rgba(2,121,160,.07);
  border: 1px solid rgba(2,121,160,.2);
  border-left: 4px solid var(--accent-blue);
}
.scs-callout--info i { color: var(--accent-blue); }

.scs-callout--solution {
  background: rgba(197,160,71,.08);
  border: 1px solid rgba(197,160,71,.25);
  border-left: 4px solid var(--accent-gold);
}
.scs-callout--solution i { color: var(--accent-gold); }

/* ══════════════════════════════════════════
   Auth Cards
══════════════════════════════════════════ */
.scs-auth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.scs-auth-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.scs-auth-card--recommended { border-color: var(--accent-gold); }
.scs-auth-card__recommend-badge {
  position: absolute;
  top: .6rem;
  right: .6rem;
  background: var(--accent-gold);
  color: #000;
  font-size: .68rem;
  font-weight: 700;
  padding: .15rem .55rem;
  border-radius: 99px;
}
.scs-auth-card__header {
  padding: .75rem 1.25rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .05em;
}
.scs-auth-card__header--aal1 { background: #888; }
.scs-auth-card__header--aal2 { background: var(--accent-blue); }
.scs-auth-card__header--aal3 { background: var(--primary-navy); }
.scs-auth-card__body { padding: 1.1rem 1.25rem; }
.scs-auth-card__level {
  font-size: .78rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: .75rem;
}
.scs-auth-card__body ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: .85rem;
}
.scs-auth-card__body li {
  font-size: .85rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}
.scs-auth-card__body li::before { content: "・"; position: absolute; left: 0; }
.scs-auth-card__note {
  font-size: .78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--bg-light);
  padding-top: .6rem;
  margin: 0;
}

/* ══════════════════════════════════════════
   Requirements List
══════════════════════════════════════════ */
.scs-req-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.scs-req-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
}
.scs-req-item__icon {
  width: 2.2rem;
  height: 2.2rem;
  background: rgba(0,51,102,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-navy);
  flex-shrink: 0;
  font-size: .9rem;
}
.scs-req-item strong {
  display: block;
  font-size: .92rem;
  color: var(--text-primary);
  margin-bottom: .35rem;
}
.scs-req-item p { font-size: .87rem; color: var(--text-muted); margin: 0; }

/* ══════════════════════════════════════════
   FIDO2 Comparison
══════════════════════════════════════════ */
.scs-fido-comparison { margin: 1.75rem 0; }
.scs-fido-vs {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.scs-fido-vs__item {
  flex: 1;
  border-radius: var(--radius);
  padding: 1.5rem;
}
.scs-fido-vs__item--old {
  background: rgba(220,0,0,.04);
  border: 1px solid rgba(220,0,0,.18);
}
.scs-fido-vs__item--new {
  background: rgba(0,51,102,.05);
  border: 1px solid rgba(0,51,102,.18);
}
.scs-fido-vs__item h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.scs-fido-vs__item ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.scs-fido-vs__item li {
  font-size: .88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: .5rem;
}
.scs-fido-vs__arrow {
  font-size: 1.5rem;
  color: var(--accent-gold);
  flex-shrink: 0;
}
.scs-icon--bad { color: #c0392b; flex-shrink: 0; }
.scs-icon--good { color: #27ae60; flex-shrink: 0; }

/* ══════════════════════════════════════════
   Roadmap
══════════════════════════════════════════ */
.scs-roadmap {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  margin-top: 1.5rem;
}
.scs-roadmap::before {
  content: "";
  position: absolute;
  left: 2.9rem;
  top: 3rem;
  bottom: 3rem;
  width: 2px;
  background: var(--border);
}
.scs-roadmap__item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.25rem 0;
}
.scs-roadmap__step {
  flex-shrink: 0;
  width: 5.8rem;
  padding: .4rem .6rem;
  background: var(--primary-navy);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
  border-radius: 99px;
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
}
.scs-roadmap__content {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.scs-roadmap__content h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: .6rem;
}
.scs-roadmap__content p {
  font-size: .87rem;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.scs-roadmap__content ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.scs-roadmap__content li {
  font-size: .84rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}
.scs-roadmap__content li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-weight: 700;
}

/* ══════════════════════════════════════════
   Supply Chain Diagram
══════════════════════════════════════════ */
.scs-sc-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}
.scs-sc-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 1.5rem 2rem;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow);
  min-width: 130px;
  text-align: center;
}
.scs-sc-node i { font-size: 1.5rem; }
.scs-sc-node span { font-size: .9rem; font-weight: 700; color: var(--text-primary); }
.scs-sc-node small { font-size: .75rem; color: var(--text-muted); }
.scs-sc-node--prime { border-color: var(--primary-navy); }
.scs-sc-node--prime i { color: var(--primary-navy); }
.scs-sc-node--sub { border-color: var(--accent-blue); }
.scs-sc-node--sub i { color: var(--accent-blue); }
.scs-sc-node--sub2 i { color: var(--text-muted); }
.scs-sc-arrow { font-size: 1.2rem; color: var(--accent-gold); }

/* ══════════════════════════════════════════
   Solution Grid (Dark section)
══════════════════════════════════════════ */
.scs-solution__lead {
  font-size: 1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2rem;
}
.scs-solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.scs-solution-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: background .2s;
}
.scs-solution-card:hover { background: rgba(255,255,255,.1); }
.scs-solution-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(197,160,71,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1rem;
  margin-bottom: 1rem;
}
.scs-solution-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}
.scs-solution-card p { font-size: .87rem; color: rgba(255,255,255,.65); margin: 0; }

.scs-solution-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.scs-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 2rem;
  border-radius: 99px;
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .2s;
}
.scs-btn--gold { background: var(--accent-gold); color: #000; }
.scs-btn--gold:hover { background: #d4a828; transform: translateY(-1px); }
.scs-btn--outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.5);
  color: #fff;
}
.scs-btn--outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* ══════════════════════════════════════════
   FAQ
══════════════════════════════════════════ */
.scs-faq-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 1.25rem;
}
.scs-faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s;
}
.scs-faq-item[open] { border-color: var(--primary-navy); }

.scs-faq-item summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  line-height: 1.5;
}
.scs-faq-item summary::-webkit-details-marker { display: none; }
.scs-faq-item summary::before {
  content: "Q";
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--primary-navy);
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.scs-faq-item summary::after {
  content: "\002B";
  margin-left: auto;
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--text-muted);
}
.scs-faq-item[open] summary::after { content: "\2212"; }

.scs-faq-body {
  padding: 0 1.4rem 1.1rem 4.15rem;
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.scs-faq-body p { margin: 0; }

/* ══════════════════════════════════════════
   CTA Banner (reused from common)
══════════════════════════════════════════ */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-navy));
  padding: 4rem 1.5rem;
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: #fff;
  margin-bottom: .75rem;
}
.cta-banner p {
  color: rgba(255,255,255,.75);
  margin-bottom: 2rem;
}
.cta-banner__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════
   Responsive
══════════════════════════════════════════ */
@media (max-width: 900px) {
  .scs-info-cards { grid-template-columns: 1fr; }
  .scs-auth-grid { grid-template-columns: 1fr; }
  .scs-solution-grid { grid-template-columns: 1fr; }
  .scs-fido-vs { flex-direction: column; }
  .scs-fido-vs__arrow { transform: rotate(90deg); }
  .scs-sc-diagram { flex-direction: column; }
  .scs-sc-arrow { transform: rotate(90deg); }
}

@media (max-width: 600px) {
  .scs-hero { padding: 3.5rem 1.25rem 3rem; }
  .scs-hero__meta { flex-direction: column; gap: .5rem; }
  .scs-section { padding: 3.5rem 1.25rem; }
  .scs-roadmap::before { left: 2.4rem; }
  .scs-roadmap__step { width: 4.8rem; font-size: .7rem; }
  .scs-faq-body { padding: 0 1rem 1rem 1rem; }
  .scs-faq-item summary::before { display: none; }
  .scs-solution-cta { flex-direction: column; }
  .scs-btn { justify-content: center; }
}