/* ForgeChatAI — shared styles
   Palette: indigo primary, sky accent, warm CTA, near-white content bg
*/
:root {
  --navy: #0f172a;
  --navy-2: #1e293b;
  --indigo: #4f46e5;
  --indigo-dark: #4338ca;
  --sky: #0ea5e9;
  --amber: #f59e0b;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --max-width: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
}
.logo:hover { text-decoration: none; }
.logo .mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--indigo), var(--sky));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 1rem;
  flex-shrink: 0;
}
.logo .accent { color: var(--sky); }

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a {
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover { color: #fff; text-decoration: none; }
.main-nav a.current { color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 22px;
    gap: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .main-nav.open { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, #1e2547 55%, var(--indigo-dark) 100%);
  color: #fff;
  padding: 72px 0 84px;
}
.hero .wrap { text-align: center; max-width: 780px; }
.hero .eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: #e0e7ff;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero h1 .accent { color: var(--sky); }
.hero p.lead {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.search-box {
  max-width: 560px;
  margin: 0 auto 8px;
  display: flex;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.search-box input {
  flex: 1;
  border: 0;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: var(--font);
  color: var(--text);
}
.search-box input:focus { outline: none; }
.search-box button {
  border: 0;
  background: var(--indigo);
  color: #fff;
  padding: 0 22px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
}
.search-box button:hover { background: var(--indigo-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 9px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--amber); color: #1e1300; }
.btn-primary:hover { background: #d97706; }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.4); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-small { padding: 8px 16px; font-size: 0.85rem; }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2 { font-size: 1.9rem; margin: 0 0 12px; font-weight: 800; }
.section-head p { color: var(--text-light); font-size: 1.05rem; margin: 0; }
.section-foot { text-align: center; margin-top: 34px; }

/* ---------- Grids / Cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(15,23,42,0.08); }

.tool-card { display: flex; flex-direction: column; height: 100%; }
.tool-card .tool-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tool-card .tool-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.1rem;
  flex-shrink: 0;
}
.category-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-bottom: 14px;
}
.category-icon svg { width: 24px; height: 24px; }
.tool-icon-img {
  width: 44px; height: 44px; border-radius: 10px;
  flex-shrink: 0;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  padding: 7px;
}
.tool-card h3 { margin: 0; font-size: 1.1rem; }
.tool-card .tool-meta { font-size: 0.8rem; color: var(--text-light); }
.tool-card p.desc { color: var(--text-light); font-size: 0.93rem; margin: 0 0 14px; flex-grow: 1; }
.tool-card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tag {
  background: #eef2ff;
  color: var(--indigo-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.tool-card .tool-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}
.price { font-weight: 700; font-size: 0.88rem; color: var(--text); }
.price .free { color: #16a34a; }

.article-card h3 { font-size: 1.08rem; margin: 10px 0 8px; }
.article-card .cat-pill {
  display: inline-block;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.article-card p { color: var(--text-light); font-size: 0.92rem; margin: 0 0 10px; }
.article-card .read-more { font-weight: 700; font-size: 0.9rem; }
.card-thumb {
  margin: -22px -22px 16px;
  width: calc(100% + 44px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Category filter bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.filter-btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--text);
}
.filter-btn:hover { border-color: var(--indigo); color: var(--indigo); }
.filter-btn.active { background: var(--indigo); border-color: var(--indigo); color: #fff; }

/* ---------- Ad slots ---------- */
.ad-slot {
  background: var(--bg-soft);
  border: 1px dashed var(--border);
  border-radius: 10px;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  margin: 36px 0;
}
.ad-slot.ad-leaderboard { min-height: 90px; }
.ad-slot.ad-square { min-height: 250px; max-width: 336px; margin-left: auto; margin-right: auto; }
.ad-slot.ad-incontent { min-height: 120px; }

/* ---------- Blog / Article ---------- */
.article-hero {
  background: var(--bg-soft);
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--border);
}
.article-hero .cat-pill { margin-bottom: 14px; }
.article-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin: 0 0 14px; font-weight: 800; }
.article-meta { color: var(--text-light); font-size: 0.9rem; }

.article-body { max-width: 760px; margin: 0 auto; padding: 48px 20px; }
.article-featured-img { width: 100%; height: auto; border-radius: var(--radius); display: block; margin-bottom: 8px; }
.article-featured-img + .img-credit { margin: 0 0 20px; }
.img-credit { font-size: 0.78rem; color: var(--text-light); text-align: right; }
.img-credit a { color: var(--text-light); }
.share-bar { display: flex; align-items: center; gap: 10px; margin: 0 0 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.share-bar .share-label { font-size: 0.85rem; color: var(--text-light); font-weight: 600; margin-right: 2px; }
.share-btn { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-light); transition: background .15s, color .15s, border-color .15s; cursor: pointer; padding: 0; }
.share-btn svg { width: 16px; height: 16px; fill: currentColor; }
.share-btn:hover, .share-btn.copied { background: var(--indigo); color: #fff; border-color: var(--indigo); }
.article-body h2 { font-size: 1.5rem; margin: 36px 0 14px; font-weight: 800; }
.article-body h3 { font-size: 1.2rem; margin: 28px 0 12px; font-weight: 700; }
.article-body p { margin: 0 0 18px; font-size: 1.03rem; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; font-size: 1.03rem; }
.article-body a { text-decoration: underline; }
.article-body table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 0.95rem; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.article-body th { background: var(--bg-soft); }
.article-body blockquote {
  border-left: 4px solid var(--indigo);
  margin: 24px 0;
  padding: 4px 20px;
  color: var(--text-light);
  font-style: italic;
}
.disclosure {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.toc {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 28px;
}
.toc p { margin: 0 0 10px; font-weight: 700; }
.toc ul { margin: 0; padding-left: 18px; }
.toc li { margin-bottom: 6px; font-size: 0.92rem; }

/* ---------- Newsletter / CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--indigo), var(--sky));
  color: #fff;
  text-align: center;
  padding: 56px 0;
}
.cta-band h2 { margin: 0 0 12px; font-size: 1.8rem; font-weight: 800; }
.cta-band p { color: #e0e7ff; margin: 0 0 26px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 52px 0 28px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: #fff; font-size: 0.9rem; margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.04em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: #94a3b8; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

/* ---------- Simple pages (about/contact/legal) ---------- */
.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.page-hero h1 { margin: 0; font-size: 2.1rem; font-weight: 800; }
.page-body { max-width: 760px; margin: 0 auto; padding: 48px 20px; }
.page-body h2 { font-size: 1.35rem; margin: 32px 0 12px; }
.page-body p, .page-body li { font-size: 1.02rem; }
.page-body ul { padding-left: 22px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; max-width: 520px; }
.contact-form label { font-weight: 700; font-size: 0.9rem; }
.contact-form input, .contact-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
}
.contact-form textarea { min-height: 140px; resize: vertical; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- Mobile spacing / type scale ---------- */
@media (max-width: 760px) {
  section { padding: 40px 0; }
  .hero { padding: 44px 0 48px; }
  .hero h1 { font-size: clamp(1.6rem, 7vw, 2.1rem); margin-bottom: 14px; }
  .hero .eyebrow { margin-bottom: 14px; }
  .hero p.lead { font-size: 1rem; margin-bottom: 24px; }
  .section-head { margin-bottom: 26px; }
  .section-head h2 { font-size: 1.5rem; }
  .section-head p { font-size: 0.95rem; }
  .card { padding: 16px; }
  .card-thumb { margin: -16px -16px 16px; width: calc(100% + 32px); }
  .page-hero { padding: 36px 0; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-body { padding: 32px 20px; }
  .article-hero { padding: 32px 0 24px; }
  .filter-bar { margin-bottom: 24px; }

  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .category-grid .card { padding: 14px; }
  .category-grid .category-icon { width: 38px; height: 38px; border-radius: 10px; margin-bottom: 10px; }
  .category-grid .category-icon svg { width: 19px; height: 19px; }
  .category-grid h3 { font-size: 0.98rem; margin: 0 0 6px; }
  .category-grid p { font-size: 0.82rem; }
}