/*
 * Atestio Blog — design tokens mirror src/index.css and the marketing
 * header/footer in atestio-fe (MarketingHeader.tsx / MarketingFooter.tsx),
 * so the blog reads as the same product, not a bolted-on WordPress site.
 */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-4.001-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  /* latin-ext carries every Polish diacritic (ĄąĆćĘꣳŃńŚśŹźŻż) */
  src: url('../fonts/inter-4.001-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7,
    U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F,
    U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}

:root {
  --text: #334155;       /* slate-700 */
  --text-h: #0f172a;     /* slate-900 */
  --text-muted: #64748b; /* slate-500 */
  --bg: #f8fafc;         /* slate-50 */
  --bg-card: #ffffff;
  --border: #e2e8f0;     /* slate-200 */

  --accent: #0d9488;       /* teal-600 — brand primary */
  --accent-strong: #0f766e;/* teal-700 */
  --accent-light: #ccfbf1; /* teal-100 */
  --grad-start: #0ea5e9;   /* sky-500 */
  --grad-end: #14b8a6;     /* teal-500 */

  --chrome-bg: #0f172a;     /* slate-900 — header/footer */
  --chrome-border: #1e293b; /* slate-800 */
  --chrome-text: #cbd5e1;   /* slate-300 */
  --chrome-text-muted: #94a3b8; /* slate-400 */

  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 0.75rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--sans);
  color: var(--text-h);
  margin: 0 0 0.5em;
  line-height: 1.2;
  font-weight: 700;
}

.screen-reader-text {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* ---------- Header (mirrors MarketingHeader.tsx) ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--chrome-bg);
  border-bottom: 1px solid var(--chrome-border);
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.site-header__logo img,
.site-header__logo svg {
  height: 34px;
  width: auto;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-back-main {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #ffffff;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.btn-back-main:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.btn-back-main svg { width: 14px; height: 14px; }

/* ---------- Hero (front page) ---------- */

.blog-hero {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 4rem 0 3rem;
  text-align: center;
}

.blog-hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  margin-bottom: 1.25rem;
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.blog-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 1.75rem;
}

/* ---------- Post grid ---------- */

.post-grid {
  padding: 3rem 0 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.post-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.post-card__media {
  aspect-ratio: 16 / 9;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
}

.post-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.post-card__meta a { color: var(--text-muted); }

.post-card__title {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.post-card__title a { color: var(--text-h); }
.post-card__title a:hover { color: var(--accent-strong); }

.post-card__excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}

.post-card__readmore {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.post-card__readmore:hover { color: var(--accent-strong); }

/* ---------- Pagination ---------- */

.blog-pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding-bottom: 4rem;
  flex-wrap: wrap;
}

.blog-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.6rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
}

.blog-pagination .page-numbers.current {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.blog-pagination .page-numbers:hover:not(.current) {
  border-color: var(--accent);
  color: var(--accent-strong);
}

/* ---------- Single post / page ---------- */

.post-single {
  padding: 3rem 0 4rem;
  max-width: 760px;
  margin: 0 auto;
}

.post-single__meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.post-single__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.post-single__media {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.post-single__content {
  font-size: 1.05rem;
  line-height: 1.75;
}

.post-single__content p { margin: 0 0 1.25em; }

.post-single__content h2 {
  font-size: 1.5rem;
  margin-top: 2em;
}

.post-single__content h3 {
  font-size: 1.2rem;
  margin-top: 1.75em;
}

.post-single__content a {
  text-decoration: underline;
  text-decoration-color: var(--accent-light);
  text-underline-offset: 2px;
}

.post-single__content img {
  border-radius: var(--radius);
}

.post-single__content blockquote {
  margin: 1.5em 0;
  padding: 0.25em 1.25em;
  border-left: 3px solid var(--accent);
  color: var(--text-muted);
  font-style: italic;
}

.post-single__content pre,
.post-single__content code {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 0.4rem;
}

.post-single__content pre {
  padding: 1rem;
  overflow-x: auto;
}

.post-single__content code {
  padding: 0.15em 0.4em;
  font-size: 0.9em;
}

.post-single__tags {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.post-single__tags a {
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

.post-single__cta {
  margin-top: 3rem;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--chrome-bg);
  text-align: center;
}

.post-single__cta p {
  color: var(--chrome-text);
  margin: 0 0 1rem;
}

.no-results {
  padding: 4rem 0;
  text-align: center;
  color: var(--text-muted);
}

/* ---------- Footer (mirrors MarketingFooter.tsx) ---------- */

.site-footer {
  background: var(--chrome-bg);
  color: var(--chrome-text);
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--chrome-border);
}

.site-footer__logo img,
.site-footer__logo svg {
  height: 30px;
  width: auto;
  margin-bottom: 1rem;
}

.site-footer__tagline {
  font-size: 0.9rem;
  color: var(--chrome-text-muted);
  line-height: 1.6;
  max-width: 32ch;
  margin: 0 0 1.25rem;
}

.site-footer__badges {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.site-footer__badge {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--chrome-text);
  border: 1px solid var(--chrome-border);
  border-radius: 0.4rem;
  padding: 0.35rem 0.6rem;
}

.site-footer__legal {
  font-size: 0.78rem;
  color: #64748b;
  line-height: 1.6;
}

.site-footer__legal p { margin: 0; }
.site-footer__legal .legal-name { color: var(--chrome-text-muted); }
.site-footer__legal a { color: inherit; }
.site-footer__legal a:hover { color: #fff; }

.site-footer__col-h {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 1rem;
}

.site-footer__col a {
  display: block;
  font-size: 0.875rem;
  color: var(--chrome-text-muted);
  margin-bottom: 0.65rem;
}

.site-footer__col a:hover { color: #fff; }

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: #64748b;
}

.site-footer__bottom a { color: #64748b; }
.site-footer__bottom a:hover { color: #fff; }

/* ---------- Comments ---------- */

.comments-area {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.comment-list { list-style: none; margin: 0 0 2rem; padding: 0; }
.comment-list .children { list-style: none; padding-left: 1.5rem; }

.comment-body {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.comment-author .fn { font-weight: 700; color: var(--text-h); font-style: normal; }
.comment-metadata { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.comment-metadata a { color: inherit; }
.comment-content p { margin: 0.5em 0; }

.comment-reply-link {
  font-size: 0.8rem;
  font-weight: 600;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-card);
  margin-bottom: 1rem;
}

.comment-form textarea { min-height: 120px; resize: vertical; }

.comment-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--text-h); }

.comment-form .form-submit input[type="submit"] {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.comment-form .form-submit input[type="submit"]:hover { background: var(--accent-strong); }

@media (max-width: 760px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .site-header__actions .btn-back-main span { display: none; }
}