/* ============================================
   MINDWALLET — Shared Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300;1,9..40,400&display=swap');

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

:root {
  --bg:       #0a0a0a;
  --bg2:      #111111;
  --bg3:      #020617;
  --card:     #181818;
  --card2:    #222222;
  --text:     #f0f0f0;
  --text2:    #c8c8c8;
  --muted:    #888888;
  --border:   #282828;
  --border2:  #383838;
  --accent:   #00d4ff;
  --accent2:  #0099cc;
  --teal:     #4ecdc4;
  --red:      #ff6b6b;
  --blue:     #5ab4ff;
  --gold:     #e8c97a;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAVBAR ──────────────────────────────── */
.mw-nav {
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-cta {
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent2); transform: translateY(-1px); }

.nav-auth-link {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
}
.nav-auth-link:hover { color: var(--accent); }

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border2);
  border-radius: 6px;
  width: 40px;
  height: 36px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ─── FOOTER ──────────────────────────────── */
.mw-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3.5rem 5% 2rem;
  margin-top: 5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-brand .footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 0.6rem;
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.footer-social {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.social-icon {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.2s;
  font-size: 0.7rem;
}
.social-icon:hover { background: var(--accent); color: #0a0a0a; border-color: var(--accent); }
.social-icon svg { width: 11px; height: 11px; fill: currentColor; }

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text2);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: 0.55rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── COMMON ARTICLE STYLES ──────────────── */
.article-shell { max-width: 760px; margin: 0 auto; padding: 2.5rem 5% 5rem; }

.breadcrumb { font-size: 0.8rem; color: var(--muted); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.article-meta {
  display: flex;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-photo {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 14px;
  margin: 1.25rem 0 0.5rem;
  display: block;
}
.photo-caption {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  margin-bottom: 2rem;
  font-style: italic;
}
.inline-photo-wrap { margin: 1.5rem 0; }
.inline-photo {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}
.inline-caption {
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 0.4rem;
  font-style: italic;
  text-align: center;
}

.type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.type-badge .dot { width: 6px; height: 6px; border-radius: 50%; }

.type-badge.tips    { background: rgba(0,212,255,0.08);   color: var(--accent); }
.type-badge.tips .dot  { background: var(--accent); }
.type-badge.story   { background: rgba(255,107,107,0.08); color: var(--red); }
.type-badge.story .dot { background: var(--red); }
.type-badge.concept { background: rgba(90,180,255,0.08);  color: var(--blue); }
.type-badge.concept .dot { background: var(--blue); }
.type-badge.words   { background: rgba(90,180,255,0.08);  color: var(--blue); }
.type-badge.words .dot   { background: var(--blue); }
.type-badge.accounting { background: rgba(78,205,196,0.08); color: var(--teal); }
.type-badge.accounting .dot { background: var(--teal); }
.type-badge.strategy  { background: rgba(78,205,196,0.08); color: var(--teal); }
.type-badge.strategy .dot  { background: var(--teal); }

p {
  font-size: 0.97rem;
  color: var(--text2);
  line-height: 1.85;
  margin-bottom: 1.1rem;
}
p:last-child { margin-bottom: 0; }

.section-heading {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--text);
  margin: 2.5rem 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-num {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0a;
  font-size: 0.75rem;
  font-weight: 700;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.next-concept {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  margin-top: 2rem;
}
.next-concept:hover { border-color: rgba(0,212,255,0.4); transform: translateX(4px); }
.next-concept .nc-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 0.25rem; }
.next-concept h4 { font-family: 'Playfair Display', serif; font-size: 1rem; color: var(--text); }
.next-concept .nc-arrow { font-size: 1.3rem; color: var(--accent); }

.summary-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.75rem 2rem; margin: 1.5rem 0; }
.summary-box h3 { font-family: 'Playfair Display', serif; font-size: 1.05rem; color: var(--accent); margin-bottom: 1rem; }
.summary-item { display: flex; gap: 0.6rem; margin-bottom: 0.5rem; align-items: flex-start; }
.s-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex-shrink: 0; margin-top: 8px; }
.summary-item p { font-size: 0.875rem; color: var(--text2); margin: 0; }

/* ─── BUTTONS ─────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  letter-spacing: 0.01em;
}
.btn-primary { background: var(--accent); color: #0a0a0a; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,212,255,0.25); }
.btn-secondary { background: transparent; color: var(--text2); border: 1px solid var(--border2); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ─── RESPONSIVE ──────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 1.25rem 5%; gap: 1rem; }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .mw-nav { position: relative; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}