/* ============================================================
   WebCraft — Shared Stylesheet
   londonwebdesign.pro
   ============================================================ */

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

:root {
  --bg:     #f4f2ee;
  --white:  #ffffff;
  --black:  #0f0f0f;
  --mid:    #555;
  --accent: #e8825a;
  --border: rgba(0,0,0,0.1);
  --font-display: 'Instrument Serif', serif;
  --font-ui:      'Syne', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  --max-width:    1300px;
  --side-pad:     3rem;
  --radius-sm:    10px;
  --radius-md:    16px;
  --radius-lg:    20px;
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--black); font-family: var(--font-body); overflow-x: hidden; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--side-pad);
  background: rgba(244,242,238,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.logo { display: inline-flex; flex-direction: column; align-items: flex-start; color: var(--black); text-decoration: none; }
.logo .logo-wordmark { display: block; font-family: var(--font-ui); font-size: 1.1rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.logo .logo-tagline { display: block; font-family: var(--font-ui); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.08em; color: var(--mid); margin-top: 0.25rem; text-transform: none; line-height: 1.2; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mid); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-cta { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--white); background: var(--black); padding: 0.7rem 1.6rem; border-radius: 100px; text-decoration: none; transition: background 0.2s, transform 0.2s; white-space: nowrap; }
.nav-cta:hover { background: #333; transform: translateY(-1px); }

/* ── TYPOGRAPHY HELPERS ── */
.section-eyebrow { font-family: var(--font-ui); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.25em; text-transform: uppercase; color: var(--mid); margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.6rem; }
.section-eyebrow::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.section-title { font-family: var(--font-display); font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 400; line-height: 1.1; letter-spacing: -0.02em; }
.section-title em { font-style: italic; color: var(--accent); }
.section-top { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 3rem; }
.section-link { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mid); text-decoration: none; border-bottom: 1px solid var(--border); padding-bottom: 0.2rem; transition: color 0.2s, border-color 0.2s; }
.section-link:hover { color: var(--black); border-color: var(--black); }

/* ── BUTTONS ── */
.btn-primary { font-family: var(--font-ui); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--white); background: var(--black); padding: 1rem 2rem; border-radius: 100px; text-decoration: none; transition: background 0.2s, transform 0.2s; display: inline-block; }
.btn-primary:hover { background: #333; transform: translateY(-2px); }
.btn-white { font-family: var(--font-ui); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--black); background: var(--white); padding: 1.1rem 2.2rem; border-radius: 100px; text-decoration: none; white-space: nowrap; transition: transform 0.2s, background 0.2s; display: inline-block; }
.btn-white:hover { background: var(--bg); transform: translateY(-2px); }
.btn-ghost { width: 48px; height: 48px; border: 1.5px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; text-decoration: none; color: var(--black); transition: border-color 0.2s, transform 0.2s; }
.btn-ghost:hover { border-color: var(--black); transform: rotate(15deg); }

/* ── SHARED CTA BLOCK ── */
.cta-section { max-width: var(--max-width); margin: 0 auto 6rem; padding: 0 var(--side-pad); }
.cta-inner { background: var(--black); border-radius: var(--radius-lg); padding: 5rem; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4rem; }
.cta-title { font-family: var(--font-display); font-size: clamp(2rem, 3.5vw, 3.5rem); font-weight: 400; line-height: 1.1; letter-spacing: -0.02em; color: var(--white); }
.cta-title em { font-style: italic; color: var(--accent); }
.cta-sub { font-size: 0.9rem; color: rgba(255,255,255,0.4); margin-top: 1rem; line-height: 1.7; }

/* ── FOOTER ── */
footer { border-top: 1px solid var(--border); padding: 2.5rem var(--side-pad); max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { display: flex; flex-direction: column; align-items: flex-start; }
.footer-logo .logo-wordmark { display: block; font-family: var(--font-ui); font-size: 1rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.footer-logo .logo-tagline { display: block; font-family: var(--font-ui); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.08em; color: var(--mid); margin-top: 0.25rem; text-transform: none; line-height: 1.2; }
.footer-copy { font-size: 0.8rem; color: var(--mid); }
.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a { font-family: var(--font-ui); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mid); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--black); }

/* ── ANIMATIONS ── */
@keyframes fadeUp   { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp  { from { opacity: 0; transform: translateY(100%); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── PORTFOLIO CARDS (used on index + portfolio page) ── */
.portfolio-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); text-decoration: none; color: inherit; transition: transform 0.3s, box-shadow 0.3s; }
.portfolio-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); }
.portfolio-thumb { overflow: hidden; aspect-ratio: 16/9; background: var(--bg); }
.portfolio-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 0.5s; }
.portfolio-card:hover .portfolio-thumb img { transform: scale(1.04); }
.portfolio-body { padding: 2rem; display: flex; align-items: center; justify-content: space-between; }
.portfolio-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 400; letter-spacing: -0.01em; }
.portfolio-type { font-family: var(--font-ui); font-size: 0.67rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid); margin-top: 0.3rem; }
.portfolio-arrow { font-size: 1.2rem; color: var(--mid); transition: transform 0.2s, color 0.2s; }
.portfolio-card:hover .portfolio-arrow { transform: translateX(4px); color: var(--black); }

/* ── BLOG POST CARDS (blog index) ── */
.post-card { background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--border); overflow: hidden; text-decoration: none; color: inherit; transition: transform 0.3s, box-shadow 0.3s; display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.07); }
.post-card-img { height: 160px; display: flex; align-items: center; justify-content: center; font-size: 3rem; border-bottom: 1px solid var(--border); }
.post-card-body { padding: 1.8rem; flex: 1; display: flex; flex-direction: column; }
.post-card-tag { font-family: var(--font-ui); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.8rem; }
.post-card-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 0.8rem; flex: 1; }
.post-card-excerpt { font-size: 0.83rem; color: var(--mid); line-height: 1.65; font-weight: 300; }
.post-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--border); }
.post-card-date { font-family: var(--font-ui); font-size: 0.62rem; font-weight: 600; color: var(--mid); letter-spacing: 0.08em; }
.post-card-arrow { font-size: 0.9rem; color: var(--mid); transition: transform 0.2s, color 0.2s; }
.post-card:hover .post-card-arrow { transform: translateX(3px); color: var(--black); }

/* ── ARTICLE STYLES (shared across all blog posts) ── */
.back-link { max-width: 780px; margin: 0 auto; padding: 8rem var(--side-pad) 0; }
.back { font-family: var(--font-ui); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid); text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: color 0.2s; }
.back:hover { color: var(--black); }
.article-header { max-width: 780px; margin: 0 auto; padding: 2.5rem var(--side-pad) 0; }
.article-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.8rem; }
.article-tag { font-family: var(--font-ui); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid); border: 1px solid var(--border); padding: 0.3rem 0.8rem; border-radius: 100px; background: var(--white); }
.article-date { font-family: var(--font-ui); font-size: 0.65rem; font-weight: 600; color: var(--mid); }
.article-title { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.8rem); font-weight: 400; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.article-title em { font-style: italic; color: var(--accent); }
.article-intro { font-size: 1.05rem; font-weight: 300; color: var(--mid); line-height: 1.8; padding-bottom: 2.5rem; border-bottom: 1px solid var(--border); }
.article-byline { display: flex; align-items: center; gap: 1rem; padding: 1.5rem 0 2.5rem; border-bottom: 1px solid var(--border); margin-bottom: 3rem; }
.byline-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--black); display: flex; align-items: center; justify-content: center; color: white; font-size: 1.1rem; flex-shrink: 0; }
.byline-name { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 700; }
.byline-role { font-family: var(--font-ui); font-size: 0.68rem; font-weight: 600; color: var(--mid); margin-top: 0.1rem; }
.byline-read { margin-left: auto; font-family: var(--font-ui); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mid); }
.article-body { max-width: 780px; margin: 0 auto; padding: 0 var(--side-pad); }
.article-body h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 400; letter-spacing: -0.02em; line-height: 1.2; margin: 3rem 0 1.2rem; }
.article-body h3 { font-family: var(--font-ui); font-size: 1.05rem; font-weight: 700; letter-spacing: 0.02em; line-height: 1.25; margin: 2rem 0 0.8rem; color: var(--black); }
.article-body p { font-size: 0.97rem; font-weight: 300; line-height: 1.9; color: #333; margin-bottom: 1.3rem; }
.article-body ul, .article-body ol { margin: 0.5rem 0 1.5rem 1.5rem; }
.article-body li { font-size: 0.95rem; font-weight: 300; line-height: 1.8; color: #333; margin-bottom: 0.5rem; }
.article-body strong { font-weight: 600; color: var(--black); }
.callout { background: var(--white); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 1.5rem 2rem; margin: 2rem 0; }
.callout p { margin-bottom: 0; color: var(--black); font-weight: 400; }
.article-cta { max-width: 780px; margin: 4rem auto 6rem; padding: 0 var(--side-pad); }
.article-cta-inner { background: var(--black); border-radius: var(--radius-lg); padding: 4rem; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 3rem; }
.article-cta-title { font-family: var(--font-display); font-size: 2rem; font-weight: 400; line-height: 1.15; letter-spacing: -0.02em; color: var(--white); }
.article-cta-title em { font-style: italic; color: var(--accent); }
.article-cta-sub { font-size: 0.88rem; color: rgba(255,255,255,0.4); margin-top: 0.8rem; line-height: 1.7; }

/* ── SHARED RESPONSIVE ── */
@media (max-width: 900px) {
  :root { --side-pad: 1.5rem; }
  nav {
    padding: 1rem var(--side-pad);
    gap: 0.75rem;
    align-items: center;
  }
  .logo {
    min-width: 0;
    max-width: calc(100% - 7rem);
  }
  .logo .logo-wordmark { font-size: 0.95rem; letter-spacing: 0.06em; }
  .logo .logo-tagline { font-size: 0.6rem; margin-top: 0.15rem; }
  .nav-links { display: none; }
  .nav-cta {
    flex-shrink: 0;
    padding: 0.6rem 1.2rem;
    font-size: 0.7rem;
  }
  .cta-inner { grid-template-columns: 1fr; padding: 3rem 2rem; gap: 2rem; }
  .article-cta-inner { grid-template-columns: 1fr; padding: 2.5rem; gap: 2rem; }
  .section-top { flex-direction: column; align-items: flex-start; gap: 1rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-links { display: none; }
  .back-link, .article-header, .article-body, .article-cta { padding-left: var(--side-pad); padding-right: var(--side-pad); }
}

@media (max-width: 480px) {
  :root { --side-pad: 1rem; }
  nav { padding: 0.85rem var(--side-pad); gap: 0.5rem; }
  .logo .logo-wordmark { font-size: 0.88rem; }
  .logo .logo-tagline { display: none; }
  .nav-cta { padding: 0.55rem 1rem; font-size: 0.65rem; }
}