/* =============================================================
   blog.css — Ryno Tools Blog
   Tokens from theme.css (--font-headline, --font-body, --color-*)
   Space Grotesk headings / Inter body; mobile-first; dark+light.
   ============================================================= */

/* ── Layout ──────────────────────────────────────────────────── */
.blog-header,
.blog-post-main,
.blog-index-main,
.blog-footer {
  box-sizing: border-box;
  width: 100%;
}

/* ── Header ──────────────────────────────────────────────────── */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid;
}

.blog-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.blog-logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.blog-logo-name {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.blog-nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.blog-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.15s;
}

.blog-nav a:hover,
.blog-nav a[aria-current="page"] {
  opacity: 1;
  color: #fff;
}

.blog-theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  padding: 0;
  flex-shrink: 0;
  line-height: 1;
}

/* ── Track badge + hero colors ────────────────────────────────── */
:root {
  --track-ham-radio:      #1a4f6e;
  --track-falconry:       #4a3520;
  --track-cybersecurity:  #1e3a2f;
}

/* Both modes — green gradient, same as main page #crypto-bar */
.blog-header {
  background-size: 40px 40px;
}
body.dark-mode .blog-header {
  background-image:
    repeating-linear-gradient(45deg,
      rgba(255,255,255,0.05) 0px,
      rgba(255,255,255,0.05) 20px,
      transparent 20px,
      transparent 40px),
    var(--gradient-green-torque);
  border-color: rgba(255,255,255,0.08);
}
body.light-mode .blog-header {
  background-image:
    repeating-linear-gradient(45deg,
      rgba(0,0,0,0.05) 0px,
      rgba(0,0,0,0.05) 20px,
      transparent 20px,
      transparent 40px),
    var(--gradient-green-torque);
  border-color: rgba(0,0,0,0.08);
}

/* Text on green gradient is always white */
.blog-logo-name,
.blog-nav a,
.blog-theme-toggle { color: rgba(255,255,255,0.9); }
.blog-nav a:hover,
.blog-nav a[aria-current="page"],
.blog-theme-toggle:hover { color: #fff; }

/* ── Blog index hero ──────────────────────────────────────────── */
.blog-index-hero {
  text-align: center;
  padding: 3rem 1.25rem 2rem;
  max-width: 680px;
  margin: 0 auto;
}

.blog-index-hero h1 {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.blog-index-tagline {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.75;
  margin: 0;
}

/* ── Track filter ─────────────────────────────────────────────── */
.blog-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 1.25rem 2rem;
  max-width: 860px;
  margin: 0 auto;
}

.blog-filter-btn {
  background: none;
  border: 1px solid;
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

body.dark-mode .blog-filter-btn {
  color: #c8cdd8;
  border-color: rgba(255,255,255,0.15);
}
body.dark-mode .blog-filter-btn:hover,
body.dark-mode .blog-filter-btn.active {
  background: var(--color-primary, #4a90d9);
  color: #fff;
  border-color: transparent;
}

body.light-mode .blog-filter-btn {
  color: #2c3040;
  border-color: rgba(0,0,0,0.18);
}
body.light-mode .blog-filter-btn:hover,
body.light-mode .blog-filter-btn.active {
  background: var(--color-primary, #1a73e8);
  color: #fff;
  border-color: transparent;
}

/* ── Featured post ────────────────────────────────────────────── */
.blog-featured {
  max-width: 860px;
  margin: 0 auto 2.5rem;
  padding: 0 1.25rem;
}

.blog-featured-label {
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  margin: 0 0 0.75rem;
}

.blog-featured-inner {
  border-radius: 14px;
  padding: 2rem 2rem 1.75rem;
  position: relative;
  overflow: hidden;
}

.blog-featured-body {
  position: relative;
  z-index: 1;
}

.blog-featured-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0.75rem 0 0.75rem;
}

.blog-featured-title a {
  text-decoration: none;
  color: inherit;
}

.blog-featured-title a:hover { text-decoration: underline; }

.blog-featured-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.85;
  margin: 0 0 1rem;
}

/* ── Post grid ────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 860px;
  margin: 0 auto 3rem;
  padding: 0 1.25rem;
}

@media (min-width: 600px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 860px) {
  .blog-index-hero h1 { font-size: 2.6rem; }
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Post card ────────────────────────────────────────────────── */
.blog-card {
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s, box-shadow 0.18s;
}

.blog-card:hover { transform: translateY(-3px); }

body.dark-mode .blog-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

body.dark-mode .blog-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

body.light-mode .blog-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}

body.light-mode .blog-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.13);
}

/* Card CSS banner */
.blog-card-banner {
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.5rem;
  position: relative;
}

.blog-card-banner--ham-radio    { background: linear-gradient(135deg, var(--track-ham-radio) 0%, #0d2d42 100%); }
.blog-card-banner--falconry     { background: linear-gradient(135deg, var(--track-falconry) 0%, #2a1f10 100%); }
.blog-card-banner--cybersecurity { background: linear-gradient(135deg, var(--track-cybersecurity) 0%, #0d2016 100%); }

.blog-card-track-badge {
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.blog-card-icon {
  font-size: 1.5rem;
  margin-left: auto;
}

.blog-card-body {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}

.blog-card-title a { text-decoration: none; color: inherit; }
.blog-card-title a:hover { text-decoration: underline; }

.blog-card-excerpt {
  font-size: 0.875rem;
  line-height: 1.55;
  opacity: 0.7;
  margin: 0 0 0.75rem;
  flex: 1;
}

.blog-card-meta {
  font-size: 0.8rem;
  opacity: 0.5;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* ── Post hero banner ─────────────────────────────────────────── */
.blog-hero {
  height: 180px;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem 1.5rem;
  gap: 0.75rem;
  position: relative;
}

.blog-hero--ham-radio    { background: linear-gradient(135deg, var(--track-ham-radio) 0%, #0d2d42 100%); }
.blog-hero--falconry     { background: linear-gradient(135deg, var(--track-falconry) 0%, #2a1f10 100%); }
.blog-hero--cybersecurity { background: linear-gradient(135deg, var(--track-cybersecurity) 0%, #0d2016 100%); }

.blog-hero-track-badge {
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  backdrop-filter: blur(4px);
}

.blog-hero-icon {
  font-size: 2rem;
  margin-left: auto;
}

/* ── Post article ─────────────────────────────────────────────── */
.blog-post-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* Breadcrumb */
.blog-breadcrumb {
  padding: 1rem 0 0;
}

.blog-breadcrumb ol {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
  opacity: 0.55;
}

.blog-breadcrumb li + li::before {
  content: '›';
  margin-right: 0.35rem;
}

.blog-breadcrumb a { color: inherit; text-decoration: none; }
.blog-breadcrumb a:hover { text-decoration: underline; }

/* Article header */
.blog-article-header { padding: 1.5rem 0 1.75rem; }

.blog-article-header h1 {
  font-family: var(--font-headline);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 0.85rem;
}

.blog-byline {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.875rem;
  opacity: 0.65;
  margin-bottom: 0.75rem;
}

.blog-disclosure {
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid;
  border-radius: 0 6px 6px 0;
}

body.dark-mode .blog-disclosure { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04); color: #a8aab8; }
body.light-mode .blog-disclosure { border-color: rgba(0,0,0,0.15); background: rgba(0,0,0,0.03); color: #555; }

.blog-sep { opacity: 0.4; }

/* Article body typography */
.blog-body {
  font-size: 1.05rem;
  line-height: 1.75;
}

.blog-body h2 {
  font-family: var(--font-headline);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 2.25rem 0 0.75rem;
}

.blog-body h3 {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.75rem 0 0.5rem;
}

.blog-body p { margin: 0 0 1.2rem; }
.blog-body ul, .blog-body ol { margin: 0 0 1.2rem; padding-left: 1.5rem; }
.blog-body li { margin-bottom: 0.4rem; }
.blog-body strong { font-weight: 600; }
.blog-body em { font-style: italic; }
.blog-body code { font-size: 0.9em; padding: 0.15em 0.35em; border-radius: 4px; }
.blog-body blockquote { margin: 1.5rem 0; padding: 0.75rem 1.25rem; border-left: 3px solid; border-radius: 0 6px 6px 0; }
.blog-body a { text-decoration: underline; text-underline-offset: 2px; }

body.dark-mode .blog-body code { background: rgba(255,255,255,0.1); color: #e2e5f0; }
body.dark-mode .blog-body blockquote { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.04); }
body.dark-mode .blog-body a { color: #7ab8f5; }
body.light-mode .blog-body code { background: rgba(0,0,0,0.07); color: #1a1c22; }
body.light-mode .blog-body blockquote { border-color: rgba(0,0,0,0.18); background: rgba(0,0,0,0.03); }
body.light-mode .blog-body a { color: #1a73e8; }

/* ── Quiz CTA ─────────────────────────────────────────────────── */
.blog-quiz-cta {
  margin: 2.5rem 0;
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 14px;
}

body.dark-mode .blog-quiz-cta { background: rgba(74, 144, 217, 0.1); border: 1px solid rgba(74,144,217,0.25); }
body.light-mode .blog-quiz-cta { background: rgba(26, 115, 232, 0.06); border: 1px solid rgba(26,115,232,0.2); }

.blog-quiz-cta p {
  font-size: 1rem;
  margin: 0 0 1rem;
  opacity: 0.8;
}

.blog-cta-btn {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
}

.blog-cta-btn:hover { opacity: 0.85; transform: translateY(-1px); }

body.dark-mode .blog-cta-btn { background: var(--color-primary, #4a90d9); color: #fff; }
body.light-mode .blog-cta-btn { background: var(--color-primary, #1a73e8); color: #fff; }

/* ── Sources ──────────────────────────────────────────────────── */
.blog-sources {
  margin: 2.5rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid;
}

body.dark-mode .blog-sources { border-color: rgba(255,255,255,0.1); }
body.light-mode .blog-sources { border-color: rgba(0,0,0,0.1); }

.blog-sources h2 {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  opacity: 0.7;
}

.blog-sources ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

.blog-sources li { margin-bottom: 0.5rem; }
.blog-sources a { color: inherit; text-underline-offset: 2px; }
body.dark-mode .blog-sources a { color: #7ab8f5; }
body.light-mode .blog-sources a { color: #1a73e8; }

/* ── Related posts ────────────────────────────────────────────── */
.blog-related {
  margin: 2.5rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid;
}

body.dark-mode .blog-related { border-color: rgba(255,255,255,0.1); }
body.light-mode .blog-related { border-color: rgba(0,0,0,0.1); }

.blog-related h2 {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  opacity: 0.7;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 500px) {
  .blog-related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Share buttons ────────────────────────────────────────────── */
.blog-share {
  margin: 2rem 0;
  text-align: center;
}

.blog-share p {
  font-size: 0.9rem;
  opacity: 0.6;
  margin: 0 0 0.75rem;
}

.blog-share-btns {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.blog-share-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid;
  cursor: pointer;
  transition: background 0.15s;
}

body.dark-mode .blog-share-btn { color: #c8cdd8; border-color: rgba(255,255,255,0.15); background: none; }
body.dark-mode .blog-share-btn:hover { background: rgba(255,255,255,0.08); }
body.light-mode .blog-share-btn { color: #2c3040; border-color: rgba(0,0,0,0.18); background: none; }
body.light-mode .blog-share-btn:hover { background: rgba(0,0,0,0.05); }

/* ── Footer ──────────────────────────────────────────────────── */
.blog-footer {
  text-align: center;
  padding: 2rem 1.25rem;
  font-size: 0.85rem;
  border-top: 1px solid;
  opacity: 0.6;
}

body.dark-mode .blog-footer { border-color: rgba(255,255,255,0.08); color: #9099b0; }
body.light-mode .blog-footer { border-color: rgba(0,0,0,0.08); color: #666; }

.blog-footer a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.blog-footer-copy { margin: 0.5rem 0 0; }

/* ── Hidden utility ──────────────────────────────────────────── */
.is-hidden { display: none !important; }

/* ── Featured hero banner colors ─────────────────────────────── */
.blog-featured-inner.blog-hero--ham-radio    { background: linear-gradient(135deg, var(--track-ham-radio) 0%, #0d2d42 100%); color: #e8eef8; }
.blog-featured-inner.blog-hero--falconry     { background: linear-gradient(135deg, var(--track-falconry) 0%, #2a1f10 100%); color: #f0e8d8; }
.blog-featured-inner.blog-hero--cybersecurity { background: linear-gradient(135deg, var(--track-cybersecurity) 0%, #0d2016 100%); color: #d8f0e4; }

@media (min-width: 768px) {
  .blog-post-main { padding: 0 2rem 5rem; }
  .blog-article-header h1 { font-size: 2.4rem; }
  .blog-hero { height: 220px; padding: 1.75rem 2.5rem; }
  .blog-hero-icon { font-size: 3rem; }
}