/* ============================================
   FloatPeak — Layout v3.0
   Tactical Header · Deep Hero · Article · Footer
   ============================================ */

/* ── HEADER ──────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--border-muted);
  transition: border-color var(--t-mid), background var(--t-mid), box-shadow var(--t-mid);
}
.site-header.scrolled {
  background: rgba(10, 10, 15, 0.97);
  border-bottom-color: var(--border-focus);
  box-shadow: 0 1px 0 rgba(79,140,255,0.10), 0 4px 24px rgba(0,0,0,0.4);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 62px;
  gap: var(--space-4);
}

/* Logo */
.site-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.site-logo img { height: 30px; width: auto; display: block; }

/* Primary nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.primary-nav a {
  position: relative;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: var(--font-medium);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
/* Sliding indicator line */
.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--accent-primary);
  transition: left var(--t-mid), right var(--t-mid);
  border-radius: 1px;
}
.primary-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.primary-nav a:hover::after, .primary-nav a.active::after { left: var(--space-3); right: var(--space-3); }
.primary-nav a.active { color: var(--accent-primary); }

/* Silo indicator colors */
.primary-nav a[href*="/gear/"]:hover,
.primary-nav a[href*="/gear/"].active   { color: var(--accent-hot); }
.primary-nav a[href*="/gear/"]:hover::after,
.primary-nav a[href*="/gear/"].active::after { background: var(--accent-hot); }

.primary-nav a[href*="/trading/"]:hover,
.primary-nav a[href*="/trading/"].active  { color: #00d9ff; }
.primary-nav a[href*="/trading/"]:hover::after,
.primary-nav a[href*="/trading/"].active::after { background: #00d9ff; }

.primary-nav a[href*="/vpn/"]:hover,
.primary-nav a[href*="/vpn/"].active    { color: var(--rarity-purple); }
.primary-nav a[href*="/vpn/"]:hover::after,
.primary-nav a[href*="/vpn/"].active::after { background: var(--rarity-purple); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }

/* Mobile toggle */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); cursor: pointer; border-radius: var(--radius-sm); transition: background var(--t-fast); }
.nav-toggle:hover { background: var(--bg-surface); }
.nav-toggle span  { display: block; width: 20px; height: 2px; background: var(--text-secondary); border-radius: 1px; transition: all var(--t-fast); }

/* ── MOBILE NAV ──────────────────────────── */
@media (max-width: 900px) {
  .site-header__inner { padding: 0 var(--space-4); }
  .primary-nav {
    position: fixed;
    top: 62px; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(24px);
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    padding: var(--space-6); gap: var(--space-1);
    transform: translateX(-100%);
    transition: transform var(--t-mid);
    z-index: 199;
    overflow-y: auto;
    border-top: 1px solid var(--border-subtle);
  }
  .primary-nav.open  { transform: translateX(0); }
  .primary-nav a     { font-size: 1.05rem; padding: var(--space-3) var(--space-4); width: 100%; border-radius: var(--radius-md); }
  .primary-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
}

/* ── MAIN CONTENT ────────────────────────── */
.site-content { min-height: calc(100vh - 62px - 300px); }

/* ── ARTICLE LAYOUT ──────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 295px;
  gap: var(--space-12);
  align-items: start;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
}
.article-main    {}
.article-sidebar { position: sticky; top: 78px; }

.article-header         { margin-bottom: var(--space-8); }
.article-header__meta   { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-4); font-size: var(--text-xs); color: var(--text-disabled); font-family: var(--font-mono); }
.article-header__cat    { color: var(--accent-primary); }
.article-header__title  { margin-bottom: var(--space-4); }
.article-header__excerpt { font-size: var(--text-lg); color: var(--text-muted); line-height: 1.65; max-width: 680px; font-weight: var(--font-regular); }

/* TOC */
.toc { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: var(--space-4) var(--space-5); margin-bottom: var(--space-4); }
.toc__title { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-muted); margin-bottom: var(--space-3); font-family: var(--font-mono); }
.toc__list  { display: flex; flex-direction: column; gap: 2px; }
.toc__item a {
  font-size: var(--text-xs); color: var(--text-muted); display: block;
  padding: 4px var(--space-3);
  border-left: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
  font-weight: var(--font-regular);
}
.toc__item a:hover  { color: var(--text-primary); }
.toc__item a.active { color: var(--accent-primary); border-left-color: var(--accent-primary); }
.toc__item--h3 a    { padding-left: var(--space-5); font-size: 0.72rem; color: var(--text-disabled); }

/* Sidebar box */
.sidebar-box        { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); padding: var(--space-5); margin-bottom: var(--space-4); }
.sidebar-box__title { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-muted); margin-bottom: var(--space-4); font-family: var(--font-mono); }

/* Affiliate disclosure */
.affiliate-disclosure   { background: var(--bg-elevated); border: 1px solid var(--border-muted); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); font-size: 0.7rem; color: var(--text-disabled); margin-bottom: var(--space-6); line-height: 1.6; }
.affiliate-disclosure a { color: var(--text-muted); font-size: inherit; }

/* Last updated */
.last-updated      { display: inline-flex; align-items: center; gap: 6px; font-size: 0.7rem; color: var(--text-disabled); font-family: var(--font-mono); }
.last-updated__dot { width: 6px; height: 6px; background: var(--accent-green); border-radius: 50%; animation: dotPulse 2s ease-in-out infinite; }

@media (max-width: 1024px) { .article-layout { grid-template-columns: 1fr; } .article-sidebar { position: static; } .toc { display: none; } }
@media (max-width: 768px)  { .article-layout { padding: var(--space-6) var(--space-4); } }

/* ── HERO SECTION ────────────────────────── */
.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
  background: var(--gradient-hero);
}

/* Layer 1 — tactical line grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    /* Horizontal lines */
    repeating-linear-gradient(0deg,   transparent, transparent 47px, rgba(79,140,255,0.028) 47px, rgba(79,140,255,0.028) 48px),
    /* Vertical lines */
    repeating-linear-gradient(90deg,  transparent, transparent 47px, rgba(79,140,255,0.028) 47px, rgba(79,140,255,0.028) 48px);
  pointer-events: none;
  z-index: 0;
}

/* Layer 2 — animated ambient orbs */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 55% at 50%  -5%, rgba(79,140,255,0.13) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at  8%  50%, rgba(136,71,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 92%  30%, rgba(79,140,255,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 50% 30% at 50% 105%, rgba(0,217,255,0.04)  0%, transparent 60%);
  animation: heroAmbient 7s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

/* Bottom fade into page bg */
.hero .hero-fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--bg-deep));
  z-index: 2;
  pointer-events: none;
}

.hero .container { position: relative; z-index: 3; text-align: center; width: 100%; }

.hero__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-primary);
  margin-bottom: var(--space-5);
  padding: 5px 16px;
  background: rgba(79,140,255,0.07);
  border: 1px solid rgba(79,140,255,0.18);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  /* Very subtle text shadow for depth */
  text-shadow: 0 0 80px rgba(79,140,255,0.20);
}
.hero__title span { color: var(--accent-primary); }

.hero__sub {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto var(--space-8);
  line-height: 1.65;
  font-weight: var(--font-regular);
}

.hero__actions {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-3); flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

/* Stats panel */
.hero__stats {
  display: inline-flex;
  gap: var(--space-8);
  padding: var(--space-4) var(--space-8);
  background: rgba(18,19,26,0.75);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  flex-wrap: wrap;
  justify-content: center;
}
.hero__stats .stat-box { padding: var(--space-2) var(--space-4); }
.hero__stats .stat-box__value { font-size: 1.9rem; }

/* ── FOOTER ──────────────────────────────── */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-muted);
  padding: var(--space-16) 0 var(--space-6);
  margin-top: var(--space-24);
  position: relative;
}
/* Subtle top glow */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79,140,255,0.25), transparent);
}

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); margin-bottom: var(--space-12); }
.footer-brand__tagline { font-size: var(--text-sm); color: var(--text-muted); margin-top: var(--space-3); line-height: 1.65; font-weight: var(--font-regular); }
.footer-col__title     { font-family: var(--font-head); font-weight: var(--font-medium); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-secondary); margin-bottom: var(--space-4); }
.footer-col__links     { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col__links a   { font-size: var(--text-sm); color: var(--text-muted); transition: color var(--t-fast); font-weight: var(--font-regular); }
.footer-col__links a:hover { color: var(--accent-primary); }

.footer-bottom    { border-top: 1px solid var(--border-muted); padding-top: var(--space-6); display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.footer-disclaimer { font-size: 0.7rem; color: var(--text-disabled); max-width: 680px; line-height: 1.7; }
.footer-copyright  { font-size: 0.7rem; color: var(--text-disabled); white-space: nowrap; }

@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 60vh; padding: var(--space-16) 0 var(--space-12); }
  .hero__title { font-size: clamp(3rem, 14vw, 4.5rem); }
  .hero__stats { gap: var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-xl); }
}