/*
Theme Name: SignForge Blog
Theme URI: https://lasignforge.com
Author: SignForge
Description: Custom blog theme for lasignforge.com — matches the main site design system.
Version: 1.0
*/

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --bg:          #ffffff;
  --fg:          #111111;
  --muted:       #6b7280;
  --border:      #e5e7eb;
  --accent:      #2563eb;
  --accent-fg:   #ffffff;
  --card:        #f9fafb;

  --font-sans:    "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Inter Tight", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --radius: 0.625rem;
  --max-w: 1400px;
  --prose-w: 720px;
}

/* ─── Base ───────────────────────────────────────────────── */
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--accent); color: var(--accent-fg); }

/* ─── Header (1:1 replica of main site) ──────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid rgba(229,231,235,0.6);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* fixed header → push page content down */
body { padding-top: 64px; }

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Left: logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo img {
  height: 30px;
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .site-logo img { height: 34px; }
}

/* Center: nav (absolutely centered like the main site's justify layout) */
.site-header__nav {
  display: none;
  align-items: center;
  gap: 2rem;
  font-size: 0.875rem;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.site-header__nav a {
  color: rgba(17,17,17,0.8);
  font-weight: 400;
  transition: color 0.15s;
}

.site-header__nav a:hover { color: var(--fg); }

/* Right: CTA + burger */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-quote {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: var(--fg);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.btn-quote:hover { background: var(--accent); color: #fff; }

.btn-quote__arrow { transition: transform 0.2s; }
.btn-quote:hover .btn-quote__arrow { transform: translateX(2px); }

/* Burger (mobile only) */
.site-header__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  border: 1px solid rgba(17,17,17,0.15);
  background: none;
  cursor: pointer;
  position: relative;
}

.site-header__burger .burger-line {
  position: absolute;
  left: 50%;
  height: 2px;
  width: 20px;
  background: var(--fg);
  transform: translateX(-50%);
  transition: transform 0.2s;
}

.site-header__burger .burger-line:nth-child(1) { top: 15px; }
.site-header__burger .burger-line:nth-child(2) { bottom: 15px; }

.site-header__burger.is-open .burger-line:nth-child(1) { top: 19px; transform: translateX(-50%) rotate(45deg); }
.site-header__burger.is-open .burger-line:nth-child(2) { bottom: 19px; transform: translateX(-50%) rotate(-45deg); }

/* Mobile slide-down menu — hidden by default, shown only via JS toggle */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 64px 0 auto 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu__nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.mobile-menu__nav > a {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  transition: color 0.15s;
}

.mobile-menu__nav > a:hover { color: var(--accent); }

.mobile-menu__cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.mobile-menu__quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--fg);
  color: #fff;
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.mobile-menu__call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--fg);
  color: var(--fg);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  .site-header__nav { display: flex; }
  .btn-quote { display: inline-flex; }
  .site-header__burger { display: none; }
  .mobile-menu,
  .mobile-menu.is-open { display: none; }
}

/* ─── Hero / Page Title ──────────────────────────────────── */
.blog-hero {
  border-bottom: 1px solid var(--border);
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.blog-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--fg);
  margin-bottom: 1.25rem;
}

.blog-hero p {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── Post Grid ──────────────────────────────────────────── */
.post-grid-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  list-style: none;
}

/* ─── Post Card ──────────────────────────────────────────── */
.post-card {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.post-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--card);
}

.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-card__thumb img { transform: scale(1.04); }

.post-card__thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card__thumb-placeholder svg { opacity: 0.3; }

.post-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.post-card__cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.post-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  transition: color 0.15s;
}

.post-card:hover .post-card__title { color: var(--accent); }

.post-card__excerpt {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.post-card__meta-dot { color: var(--border); }

/* ─── Pagination ─────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 1.5rem 4rem;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.15s;
}

.pagination a:hover { border-color: var(--fg); color: var(--fg); }
.pagination .current { background: var(--fg); color: #fff; border-color: var(--fg); }

/* ─── Single Post ────────────────────────────────────────── */
.post-header {
  border-bottom: 1px solid var(--border);
  padding: 4rem 1.5rem 3rem;
  max-width: var(--prose-w);
  margin: 0 auto;
}

.post-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.post-header .eyebrow a { color: var(--accent); transition: opacity 0.15s; }
.post-header .eyebrow a:hover { opacity: 0.7; }

.post-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.post-header__meta-dot { color: var(--border); }

.post-featured-image {
  max-width: var(--prose-w);
  margin: 2.5rem auto 0;
  padding: 0 1.5rem;
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
}

.post-featured-image img {
  width: 100%;
  border-radius: calc(var(--radius) * 2);
}

/* ─── Prose ──────────────────────────────────────────────── */
.post-content {
  max-width: var(--prose-w);
  margin: 3rem auto 5rem;
  padding: 0 1.5rem;
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin: 2.5rem 0 1rem;
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 2rem 0 0.75rem;
}

.post-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin: 1.5rem 0 0.5rem;
}

.post-content p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #374151;
  margin-bottom: 1.25rem;
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content a:hover { opacity: 0.75; }

.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.post-content li {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #374151;
  margin-bottom: 0.375rem;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--card);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.post-content blockquote p {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--fg);
  margin: 0;
}

.post-content pre {
  background: var(--fg);
  color: #e5e7eb;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 1.5rem 0;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--card);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.post-content pre code { background: none; border: none; padding: 0; font-size: inherit; }

.post-content img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
  width: 100%;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

.post-content th {
  background: var(--card);
  padding: 0.625rem 1rem;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--border);
}

.post-content td {
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  color: #374151;
}

/* ─── Post CTA ───────────────────────────────────────────── */
.post-cta {
  max-width: var(--prose-w);
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.post-cta__inner {
  background: var(--fg);
  color: #fff;
  border-radius: calc(var(--radius) * 2);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.post-cta__inner .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.post-cta__inner h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.post-cta__inner p {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
  line-height: 1.6;
}

.post-cta__inner a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: opacity 0.15s;
}

.post-cta__inner a:hover { opacity: 0.85; }

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem;
}

.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer__copy {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer__links {
  display: flex;
  gap: 1.5rem;
}

.site-footer__links a {
  font-size: 0.8rem;
  color: var(--muted);
  transition: color 0.15s;
}

.site-footer__links a:hover { color: var(--fg); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 767px) {
  /* tighter header gutters on phones so logo + burger sit comfortably */
  .site-header__inner { padding: 0 1.125rem; gap: 1rem; }
  /* smaller hero type so the headline never overflows the viewport */
  .blog-hero { padding: 3.5rem 1.25rem 3rem; }
  .blog-hero h1 { font-size: clamp(2.25rem, 11vw, 3rem); }
  .blog-hero p { font-size: 1rem; }
  .post-grid-section { padding: 3rem 1.25rem; }
}

@media (max-width: 640px) {
  .post-grid { grid-template-columns: 1fr; }
  .post-cta__inner { padding: 1.75rem; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 768px) {
  .site-header__inner { padding: 0 2.5rem; }
  .post-grid-section { padding: 5rem 2.5rem; }
  .blog-hero { padding: 6rem 2.5rem 5rem; }
}