/* ArticleBuy — modern editorial design system
   Fonts: Fraunces (display) + Inter (text) loaded in <head> */

:root {
  --ink: #1a1530;
  --ink-soft: #4a4360;
  --muted: #6f6a85;
  --line: #e7e3f0;
  --bg: #ffffff;
  --bg-soft: #f7f5fb;
  --bg-tint: #f0ecfa;
  --brand: #5b3df5;
  --brand-dark: #4326d6;
  --brand-soft: #efeaff;
  --accent: #ff5d8f;
  --gold: #f6b73c;
  --shadow-sm: 0 1px 2px rgba(26,21,48,.06), 0 2px 8px rgba(26,21,48,.05);
  --shadow-md: 0 6px 24px rgba(40,25,110,.10);
  --shadow-lg: 0 18px 50px rgba(40,25,110,.16);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1160px;
  --wrap: 720px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', 'Times New Roman', Georgia, serif;
  color: var(--ink);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: var(--maxw); margin: 0 auto; padding: 0 22px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: grid; place-items: center; color: #fff;
  font-family: 'Fraunces', serif; font-weight: 700; font-size: 20px;
  box-shadow: var(--shadow-sm);
}
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--brand-dark); text-decoration: none; }
.nav-cta {
  background: var(--brand); color: #fff !important; padding: 9px 18px;
  border-radius: 999px; font-weight: 600; box-shadow: var(--shadow-sm);
  transition: transform .15s ease, background .15s ease;
}
.nav-cta:hover { background: var(--brand-dark); transform: translateY(-1px); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 500px at 80% -10%, var(--bg-tint), transparent),
              linear-gradient(180deg, var(--bg-soft), var(--bg));
  padding: 84px 0 64px;
}
.hero-inner { max-width: 820px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-soft); color: var(--brand-dark);
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); margin: 0 0 18px; font-weight: 600; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.2rem; color: var(--ink-soft); margin: 0 0 30px; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 16px;
  cursor: pointer; border: 0; transition: transform .15s ease, box-shadow .15s ease, background .15s;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); text-decoration: none; color:#fff; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark); text-decoration: none; }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin: 0 0 12px; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }
.section-soft { background: var(--bg-soft); }

/* ---------- Category chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 8px; }
.chip {
  background: #fff; border: 1px solid var(--line); color: var(--ink-soft);
  padding: 9px 18px; border-radius: 999px; font-weight: 600; font-size: 14px;
  box-shadow: var(--shadow-sm); transition: .15s;
}
.chip:hover { border-color: var(--brand); color: var(--brand-dark); transform: translateY(-2px); text-decoration: none; }
.chip .count { color: var(--muted); font-weight: 500; }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-art {
  height: 132px; position: relative;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: flex; align-items: flex-end; padding: 16px;
}
.card-art.c1 { background: linear-gradient(135deg, #5b3df5, #8b5cf6); }
.card-art.c2 { background: linear-gradient(135deg, #ff5d8f, #ff8f5d); }
.card-art.c3 { background: linear-gradient(135deg, #1fb6b6, #3d8bf5); }
.card-art.c4 { background: linear-gradient(135deg, #f6b73c, #ff5d8f); }
.card-art.c5 { background: linear-gradient(135deg, #7c4dff, #1fb6b6); }
.card-art .cat-tag {
  background: rgba(255,255,255,.95); color: var(--ink); font-size: 12px; font-weight: 700;
  padding: 5px 12px; border-radius: 999px; letter-spacing: .01em;
}
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 1.22rem; margin: 0 0 10px; line-height: 1.25; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--brand-dark); text-decoration: none; }
.card-body p { color: var(--muted); font-size: .96rem; margin: 0 0 18px; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); margin-top: auto; }
.read-more { color: var(--brand-dark); font-weight: 600; font-size: 14px; }

/* ---------- Article ---------- */
.article-head { background: linear-gradient(180deg, var(--bg-soft), var(--bg)); padding: 56px 0 8px; }
.breadcrumbs { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--brand-dark); }
.article-head h1 { font-size: clamp(2rem, 4.2vw, 3rem); margin: 0 0 18px; max-width: 820px; }
.article-cat { display:inline-block; background: var(--brand-soft); color: var(--brand-dark); font-size:13px; font-weight:700; padding:5px 14px; border-radius:999px; margin-bottom:18px; }
.article-byline { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 15px; margin-bottom: 8px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); display: grid; place-items: center; color: #fff; font-weight: 700; font-family: 'Fraunces', serif; }
.article-body { font-size: 1.12rem; color: var(--ink-soft); padding: 40px 0 20px; }
.article-body p { margin: 0 0 1.35em; }
.article-body h2 { font-size: 1.7rem; margin: 1.8em 0 .6em; color: var(--ink); }
.article-body h3, .article-body h4 { font-size: 1.32rem; margin: 1.6em 0 .5em; color: var(--ink); display:block; }
.article-body a { color: var(--brand-dark); font-weight: 500; text-decoration: underline; text-decoration-color: var(--brand-soft); text-underline-offset: 3px; }
.article-body a:hover { text-decoration-color: var(--brand); }
.article-body ul, .article-body ol { margin: 0 0 1.4em; padding-left: 1.3em; }
.article-body li { margin: .4em 0; }
.article-body blockquote { margin: 1.5em 0; padding: 4px 22px; border-left: 4px solid var(--brand); color: var(--ink); font-style: italic; background: var(--bg-soft); border-radius: 0 8px 8px 0; }
.article-body strong, .article-body b { color: var(--ink); }

.related { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 40px; }
.related h2 { font-size: 1.5rem; margin: 0 0 24px; }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-md); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 7px; color: var(--ink); }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: 15px; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.form-status { display: none; margin-top: 16px; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 500; }
.form-status.ok { display: block; background: #e8f7ee; color: #137a3e; border: 1px solid #b8e6c8; }
.form-status.err { display: block; background: #fdeaea; color: #b3261e; border: 1px solid #f5c2c0; }

/* ---------- Newsletter band ---------- */
.newsletter {
  background: linear-gradient(135deg, var(--brand-dark), #6a34e8);
  border-radius: 22px; padding: 50px 40px; color: #fff; text-align: center; position: relative; overflow: hidden;
}
.newsletter::before { content:""; position:absolute; inset:0; background: radial-gradient(500px 200px at 90% 0%, rgba(255,255,255,.12), transparent); }
.newsletter > * { position: relative; }
.newsletter h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 10px; }
.newsletter p { color: #fff; margin: 0 0 24px; font-size: 1.05rem; }
.news-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
.news-form input { flex: 1; min-width: 220px; padding: 14px 16px; border-radius: 999px; border: 0; font: inherit; font-size: 15px; }
.news-form button { background: #fff; color: var(--brand-dark); border: 0; padding: 14px 26px; border-radius: 999px; font-weight: 700; cursor: pointer; transition: transform .15s; }
.news-form button:hover { transform: translateY(-2px); }
.news-status { color:#fff; font-weight:600; margin-top:14px; min-height: 1px; }
.news-status.err { color: #ffd9d9; }

/* ---------- Footer ---------- */
.site-footer { background: #15102b; color: #c5bfe0; padding: 64px 0 30px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #9b95bd; font-size: 15px; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin: 0 0 16px; font-family: 'Inter', sans-serif; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; font-size: 13px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin: 0 0 11px; }
.footer-col a { color: #b3acd4; font-size: 15px; }
.footer-col a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid #2a2348; padding-top: 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 14px; color: #857ea8; }
.footer-bottom a { color: #857ea8; }

/* ---------- 404 / generic ---------- */
.center-block { text-align: center; padding: 90px 0; }
.center-block h1 { font-size: clamp(3rem, 10vw, 6rem); margin: 0 0 10px; background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.center-block p { color: var(--muted); font-size: 1.15rem; margin: 0 0 28px; }

.page-body { padding: 50px 0 30px; }
.page-body h2 { font-size: 1.6rem; margin: 1.6em 0 .5em; }
.page-body p { margin: 0 0 1.2em; color: var(--ink-soft); }
.page-body ul { color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s; box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links li { padding: 0 22px; }
  .nav-links a { display: block; padding: 13px 0; border-bottom: 1px solid var(--bg-soft); }
  .nav-links .nav-cta { text-align: center; margin: 10px 0; }
  .nav-toggle { display: block; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 44px; }
  .section { padding: 48px 0; }
  .newsletter { padding: 38px 22px; }
}
