/* ============================================================
   AI메이트 — 콘텐츠 허브 (가이드 목록 + 아티클)
   styles.css(토큰·base·header·footer·buttons)와 함께 사용
   ============================================================ */

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-500);
  margin-bottom: var(--s-6);
}
.breadcrumb a { color: var(--ink-500); font-weight: 600; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--ink-300); }
.breadcrumb [aria-current] { color: var(--ink-900); font-weight: 700; }

/* ============================================================
   Hub index (가이드 목록)
   ============================================================ */
.hub-hero {
  padding: clamp(48px, 7vw, 88px) 0 clamp(28px, 4vw, 48px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(55% 50% at 80% 0%, rgba(167, 139, 250, 0.20), transparent 70%),
    linear-gradient(180deg, var(--bg-tint) 0%, var(--bg) 70%);
  z-index: -1;
}
.hub-hero .eyebrow { justify-content: center; display: inline-flex; }
.hub-hero p.lead { max-width: 620px; margin: var(--s-5) auto 0; }

.hub-section { padding: clamp(28px, 4vw, 48px) 0 clamp(64px, 8vw, 110px); }

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
}
.guide-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-8);
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-soft);
}
.guide-card .rank {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  text-transform: uppercase;
}
.guide-card .rank .badge {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: var(--r-full);
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
}
.guide-card h3 { font-size: 21px; margin: 0; letter-spacing: -0.022em; }
.guide-card p { font-size: 14px; color: var(--ink-500); line-height: 1.6; margin: 0; flex: 1; }
.guide-card .go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
}
.guide-card .go::after { content: "→"; transition: transform var(--dur-fast) var(--ease); }
.guide-card:hover .go::after { transform: translateX(4px); }

@media (max-width: 720px) {
  .guide-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Article
   ============================================================ */
.article-hero {
  padding: clamp(40px, 6vw, 72px) 0 clamp(20px, 3vw, 32px);
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-tint) 0%, var(--bg) 80%);
  z-index: -1;
}
.article-hero .wrap { max-width: 800px; }
.article-domain {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--s-3);
}
.article-hero h1 {
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.article-hero .article-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-500);
  line-height: 1.6;
  margin-top: var(--s-5);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: var(--s-6);
  font-size: 13px;
  color: var(--ink-500);
}
.article-meta .tag {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-full);
  padding: 5px 12px;
  font-weight: 600;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 48px) 0 clamp(48px, 6vw, 80px);
}

/* TOC */
.article-toc {
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  margin-bottom: var(--s-12);
}
.article-toc .toc-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  margin-bottom: 12px;
}
.article-toc ol { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.article-toc a { color: var(--ink-700); font-weight: 600; font-size: 15px; }
.article-toc a:hover { color: var(--primary); }

/* Prose */
.prose { font-size: 17px; line-height: 1.78; color: var(--ink-700); }
.prose > h2 {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin: var(--s-14) 0 var(--s-5);
  scroll-margin-top: 90px;
}
.prose > h2:first-child { margin-top: 0; }
.prose > h3 {
  font-size: clamp(19px, 2vw, 23px);
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: var(--s-10) 0 var(--s-3);
}
.prose p { margin: 0 0 var(--s-5); }
.prose a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--primary-soft); }
.prose a:hover { text-decoration-color: var(--primary); }
.prose ul, .prose ol { margin: 0 0 var(--s-5); padding-left: 24px; }
.prose li { margin-bottom: 10px; }
.prose li::marker { color: var(--primary); font-weight: 700; }
.prose strong { color: var(--ink-900); font-weight: 700; }
.prose blockquote {
  margin: var(--s-8) 0;
  padding: 18px 24px;
  border-left: 4px solid var(--primary);
  background: var(--bg-tint);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--ink-700);
  font-weight: 500;
}
.prose blockquote p:last-child { margin: 0; }

/* Comparison / data table */
.prose .table-wrap { overflow-x: auto; margin: var(--s-8) 0; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  min-width: 460px;
}
.prose th, .prose td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.prose thead th {
  background: var(--bg-tint);
  color: var(--ink-900);
  font-weight: 700;
  font-size: 14px;
}
.prose tbody tr:hover { background: var(--surface-soft); }
.prose td strong { color: var(--primary); }

/* Callout */
.callout {
  display: flex;
  gap: 14px;
  background: var(--primary-tint);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  margin: var(--s-8) 0;
}
.callout .ic { flex-shrink: 0; font-size: 20px; }
.callout p { margin: 0; font-size: 15px; color: var(--ink-700); line-height: 1.65; }
.callout strong { color: var(--primary-deep); }

/* Key-figure pills inline */
.figure-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: var(--s-8) 0;
}
.figure-pill {
  flex: 1;
  min-width: 150px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 18px 20px;
}
.figure-pill .v { font-size: 28px; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
.figure-pill .l { font-size: 13px; color: var(--ink-500); margin-top: 4px; font-weight: 600; }

/* ---------- Article CTA ---------- */
.article-cta {
  margin: var(--s-14) auto 0;
  max-width: 760px;
  background: linear-gradient(135deg, #4B0DC2 0%, #6C19FF 55%, #8B4FFF 100%);
  border-radius: var(--r-xl);
  padding: clamp(32px, 4vw, 48px);
  color: #fff;
  text-align: center;
  box-shadow: 0 30px 60px rgba(75, 13, 194, 0.28);
}
.article-cta h2 { color: #fff; font-size: clamp(22px, 3vw, 30px); margin: 0 0 12px; }
.article-cta p { color: rgba(255,255,255,0.88); margin: 0 0 var(--s-8); font-size: 16px; }
.article-cta .btn-primary { background: #fff; color: var(--primary-deep); box-shadow: 0 16px 32px rgba(0,0,0,0.2); }
.article-cta .btn-primary:hover { background: #fff; filter: brightness(0.96); color: var(--primary-deep); }

/* ---------- Related guides ---------- */
.related {
  max-width: 760px;
  margin: var(--s-14) auto 0;
  padding-top: var(--s-12);
  border-top: 1px solid var(--border);
}
.related h2 { font-size: 22px; margin-bottom: var(--s-6); }
.related-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-4); }
.related-list a {
  display: block;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.related-list a:hover { border-color: var(--primary-soft); transform: translateY(-2px); }
.related-list .d { font-size: 12px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.06em; }
.related-list .t { font-size: 16px; font-weight: 700; color: var(--ink-900); margin-top: 6px; letter-spacing: -0.015em; }
@media (max-width: 620px) { .related-list { grid-template-columns: 1fr; } }

/* ---------- Simple header back-link (guides) ---------- */
.guide-back {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-700);
}
.guide-back:hover { color: var(--primary); }

/* ============================================================
   Email request modal (guides 공용 — sections.css와 동일)
   ============================================================ */
.email-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.email-modal[hidden] { display: none; }
.email-modal-backdrop { position: absolute; inset: 0; background: rgba(15, 8, 40, 0.55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.email-modal-card {
  position: relative; z-index: 1; width: 100%; max-width: 460px;
  background: var(--surface); border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 44px); box-shadow: 0 40px 100px rgba(20, 5, 60, 0.36);
  animation: emailIn 320ms var(--ease-out);
}
@keyframes emailIn { from { opacity: 0; transform: translateY(20px) scale(0.96); } to { opacity: 1; transform: none; } }
.email-modal-close {
  position: absolute; top: 14px; right: 14px; width: 34px; height: 34px;
  border-radius: 50%; display: grid; place-items: center; color: var(--ink-500);
  font-size: 15px; background: var(--bg-tint);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.email-modal-close:hover { background: var(--primary-tint); color: var(--primary); }
.email-modal-body .eyebrow { margin-bottom: var(--s-3); }
.email-modal-body h3 { font-size: clamp(22px, 3vw, 28px); margin: 0 0 10px 0; letter-spacing: -0.022em; }
.email-modal-lead { font-size: 15px; color: var(--ink-500); margin: 0 0 22px 0; line-height: 1.6; }
.email-modal-form { display: flex; flex-direction: column; gap: 12px; position: relative; }
.email-modal-form input[type="email"] {
  height: 52px; padding: 0 18px; background: var(--bg-tint);
  border: 1.5px solid var(--border-strong); border-radius: var(--r-md);
  font-family: inherit; font-size: 16px; color: var(--ink-900); font-weight: 500; outline: none;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.email-modal-form input[type="email"]::placeholder { color: var(--ink-300); }
.email-modal-form input[type="email"]:focus { border-color: var(--primary); background: var(--surface); box-shadow: 0 0 0 4px var(--primary-tint); }
.email-modal-form input[name="_honey"] { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; pointer-events: none !important; }
.email-modal-submit { height: 52px; width: 100%; }
.email-modal-submit[data-loading="1"] { pointer-events: none; opacity: 0.72; }
.email-modal-error { margin: 12px 0 0 0; font-size: 13px; color: var(--error); font-weight: 600; }
.email-modal-success { text-align: center; padding: 8px 0 4px; }
.email-modal-check { width: 64px; height: 64px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; margin: 0 auto 18px; font-size: 30px; font-weight: 800; box-shadow: var(--shadow-pop); }
.email-modal-success h3 { margin: 0 0 8px 0; font-size: 22px; }
.email-modal-success p { margin: 0; font-size: 15px; color: var(--ink-500); }
body.modal-open { overflow: hidden; }

.diag-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink-900); color: #fff; padding: 13px 22px; border-radius: var(--r-full);
  font-size: 14px; font-weight: 600; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease); z-index: 200;
}
.diag-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }