/* ── Deeptech Partners — Blog Shared Styles ── */
:root {
  --navy:        #060E1A;
  --navy-2:      #0B1627;
  --navy-3:      #101E34;
  --navy-4:      #172843;
  --blue:        #1E90E8;
  --blue-light:  #58BCF5;
  --blue-dim:    rgba(30,144,232,0.13);
  --blue-border: rgba(30,144,232,0.28);
  --ivory:       #EEF3FF;
  --ivory-dim:   rgba(238,243,255,0.55);
  --ivory-faint: rgba(238,243,255,0.08);
  --white:       #FFFFFF;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'DM Sans', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--navy); color: var(--ivory);
  font-family: var(--sans); font-weight: 300;
  line-height: 1.7; overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.4rem 4rem;
  transition: background 0.4s, padding 0.4s;
}
nav.scrolled {
  background: rgba(6,14,26,0.93);
  backdrop-filter: blur(14px);
  padding: 1rem 4rem;
  border-bottom: 1px solid var(--blue-border);
}
.nav-logo {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 500;
  letter-spacing: 0.04em; color: var(--ivory); text-decoration: none;
}
.nav-logo span { color: var(--blue-light); }
.nav-right { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ivory-dim); text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue-light); }
.nav-cta {
  background: transparent; border: 1px solid var(--blue-border);
  color: var(--blue-light) !important;
  padding: 0.45rem 1.1rem; border-radius: 2px;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--blue-dim) !important; }
.lang-switch { display: flex; align-items: center; gap: 0.4rem; }
.lang-btn {
  background: none; border: none; cursor: pointer; padding: 0.2rem 0.4rem;
  font-family: var(--sans); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ivory-dim); transition: color 0.2s; border-radius: 2px;
}
.lang-btn:hover { color: var(--blue-light); }
.lang-btn.active { color: var(--blue-light); border: 1px solid var(--blue-border); }
.lang-sep { color: rgba(238,243,255,0.2); font-size: 0.6rem; }

/* ── LANG BLOCKS ── */
.lang-block[hidden] { display: none; }

/* ── BLOG LISTING PAGE ── */
.blog-hero {
  padding: 10rem 4rem 5rem; max-width: 1200px; margin: 0 auto;
}
.blog-eyebrow {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--blue-light); margin-bottom: 1.5rem;
}
.blog-eyebrow::before { content: ''; display: block; width: 2rem; height: 1px; background: var(--blue-light); }
.blog-hero h1 {
  font-family: var(--serif); font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 300; line-height: 1.1; color: var(--white); max-width: 680px;
}
.blog-hero h1 em { font-style: italic; color: var(--blue-light); }
.blog-hero p {
  margin-top: 1.5rem; font-size: 1rem; color: var(--ivory-dim);
  max-width: 520px; line-height: 1.85;
}

.articles-grid {
  padding: 0 4rem 7rem; max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
}
.article-card {
  padding: 2.2rem 2.4rem;
  border: 1px solid rgba(238,243,255,0.08);
  border-radius: 6px; background: var(--navy-2);
  display: flex; flex-direction: column; gap: 1rem;
  text-decoration: none; transition: border-color 0.25s, background 0.25s;
}
.article-card:hover { border-color: var(--blue-border); background: var(--navy-3); }
.article-card-tag {
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--blue-light);
}
.article-card h2 {
  font-family: var(--serif); font-size: 1.35rem; font-weight: 400;
  color: var(--white); line-height: 1.3;
}
.article-card p {
  font-size: 0.88rem; color: var(--ivory-dim); line-height: 1.7; flex: 1;
}
.article-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; border-top: 1px solid rgba(238,243,255,0.06);
}
.article-card-meta { font-size: 0.72rem; color: rgba(238,243,255,0.3); letter-spacing: 0.05em; }
.article-card-arrow { color: var(--blue-light); font-size: 0.85rem; transition: transform 0.2s; }
.article-card:hover .article-card-arrow { transform: translateX(4px); }

/* ── ARTICLE PAGE ── */
.article-header {
  padding: 10rem 4rem 4rem; max-width: 800px; margin: 0 auto;
}
.article-breadcrumb {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ivory-dim); text-decoration: none; margin-bottom: 2rem;
  transition: color 0.2s;
}
.article-breadcrumb:hover { color: var(--blue-light); }
.article-breadcrumb::before { content: '←'; margin-right: 0.2rem; }
.article-tag {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--blue-light); margin-bottom: 1.2rem;
}
.article-tag::before { content: ''; display: block; width: 1.5rem; height: 1px; background: var(--blue-light); }
.article-header h1 {
  font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300; line-height: 1.15; color: var(--white);
}
.article-header h1 em { font-style: italic; color: var(--blue-light); }
.article-meta {
  margin-top: 1.5rem; display: flex; gap: 1.5rem; align-items: center;
  font-size: 0.75rem; color: rgba(238,243,255,0.35); letter-spacing: 0.05em;
}
.article-meta-sep { opacity: 0.3; }

/* ── ARTICLE BODY ── */
.article-body {
  max-width: 720px; margin: 0 auto; padding: 0 4rem 5rem;
}
.article-body p {
  font-size: 1rem; color: var(--ivory-dim); line-height: 1.9; margin-bottom: 1.4rem;
}
.article-body h2 {
  font-family: var(--serif); font-size: 1.65rem; font-weight: 400;
  color: var(--white); margin: 2.8rem 0 1rem; line-height: 1.25;
}
.article-body h3 {
  font-size: 0.92rem; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue-light); margin: 2rem 0 0.8rem;
}
.article-body ul, .article-body ol {
  padding-left: 0; list-style: none; margin-bottom: 1.4rem;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.article-body ul li, .article-body ol li {
  font-size: 0.97rem; color: var(--ivory-dim); line-height: 1.75;
  padding-left: 1.4rem; position: relative;
}
.article-body ul li::before {
  content: '—'; position: absolute; left: 0; color: var(--blue); opacity: 0.7;
}
.article-body ol { counter-reset: ol-counter; }
.article-body ol li { counter-increment: ol-counter; }
.article-body ol li::before {
  content: counter(ol-counter) '.';
  position: absolute; left: 0; color: var(--blue-light);
  font-family: var(--serif); font-size: 0.9rem;
}
.article-body strong { color: var(--ivory); font-weight: 500; }
.article-body em { font-style: italic; color: var(--blue-light); }
.article-callout {
  margin: 2rem 0; padding: 1.6rem 2rem;
  border-left: 2px solid var(--blue);
  background: var(--blue-dim); border-radius: 0 4px 4px 0;
}
.article-callout p {
  font-size: 0.95rem; color: var(--ivory); margin: 0; line-height: 1.75;
}
.article-divider {
  border: none; border-top: 1px solid rgba(238,243,255,0.07); margin: 2.5rem 0;
}

/* ── ARTICLE CTA ── */
.article-cta {
  max-width: 720px; margin: 0 auto 7rem; padding: 0 4rem;
}
.article-cta-inner {
  padding: 2.5rem 3rem;
  background: var(--navy-3); border: 1px solid var(--blue-border);
  border-radius: 6px; text-align: center;
}
.article-cta-inner h3 {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 300;
  color: var(--white); margin-bottom: 0.8rem; line-height: 1.3;
}
.article-cta-inner p {
  font-size: 0.9rem; color: var(--ivory-dim); margin-bottom: 1.8rem; line-height: 1.75;
}
.btn-primary {
  display: inline-block; padding: 0.85rem 2.2rem; background: var(--blue);
  color: var(--white); font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  border-radius: 2px; transition: background 0.25s, transform 0.2s;
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); }

/* ── FOOTER ── */
footer {
  padding: 2.2rem 4rem;
  border-top: 1px solid rgba(238,243,255,0.06);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-brand { font-family: var(--serif); font-size: 1.05rem; color: var(--ivory-dim); }
.footer-brand span { color: var(--blue-light); }
.footer-copy { font-size: 0.7rem; color: rgba(238,243,255,0.18); letter-spacing: 0.06em; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 1.2rem 1.5rem; }
  nav.scrolled { padding: 0.8rem 1.5rem; }
  .nav-links { display: none; }
  .blog-hero, .articles-grid { padding-left: 1.5rem; padding-right: 1.5rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .article-header, .article-body, .article-cta { padding-left: 1.5rem; padding-right: 1.5rem; }
  footer { flex-direction: column; gap: 0.6rem; text-align: center; }
}