/* ═══════════════════════════════════════════════
   WORK2040 — Layout
   ═══════════════════════════════════════════════ */

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height); z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-lg);
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glow);
  transform: translateY(-100%); transition: transform var(--transition-base);
}
.nav.visible { transform: translateY(0); }
.nav__logo { display: flex; align-items: center; gap: var(--space-sm); }
.nav__logo img { height: 40px; width: auto; border-radius: 50%; }
.nav__logo-text { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--matrix-green); text-shadow: var(--glow-text-green); letter-spacing: 0.15em; }
.nav__links { display: flex; gap: var(--space-md); align-items: center; }
.nav__link { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-secondary); transition: color var(--transition-fast); position: relative; padding: var(--space-xs) 0; text-transform: uppercase; letter-spacing: 0.08em; cursor: pointer; }
.nav__link:hover, .nav__link.active { color: var(--matrix-green); text-shadow: var(--glow-text-green); }
.nav__link.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--matrix-green); box-shadow: 0 0 8px var(--matrix-green); }
.nav__progress { position: absolute; bottom: 0; left: 0; height: 2px; background: linear-gradient(90deg, var(--matrix-green), var(--neon-cyan)); box-shadow: 0 0 10px var(--matrix-green); transition: width 0.1s linear; }
.nav__burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; z-index: 1001; background: none; border: none; }
.nav__burger span { width: 24px; height: 2px; background: var(--matrix-green); transition: var(--transition-base); display: block; }

/* ── Sections ── */
.section { position: relative; min-height: 100vh; padding: var(--space-3xl) var(--space-lg); display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.section--short { min-height: auto; padding: var(--space-2xl) var(--space-lg); }
.section__inner { max-width: var(--max-width); width: 100%; margin: 0 auto; position: relative; z-index: 2; }

/* ── Section Headers ── */
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-header__tag { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--matrix-green); text-shadow: var(--glow-text-green); letter-spacing: 0.3em; text-transform: uppercase; display: block; margin-bottom: var(--space-sm); }
.section-header__title { font-size: var(--fs-h1); margin-bottom: var(--space-sm); background: linear-gradient(135deg, var(--matrix-green), var(--neon-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-header__subtitle { font-size: var(--fs-body); color: var(--text-secondary); max-width: 700px; margin: 0 auto; line-height: 1.8; }

/* ── Hero ── */
.hero { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; padding: var(--space-lg); }
.hero__canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero__content { position: relative; z-index: 2; max-width: 900px; }
.hero__logo { width: 100px; height: 100px; border-radius: 50%; margin: 0 auto var(--space-lg); border: 2px solid var(--matrix-green-20); box-shadow: var(--glow-green); }
.hero__overline { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--matrix-green); text-shadow: var(--glow-text-green); letter-spacing: 0.4em; text-transform: uppercase; margin-bottom: var(--space-md); display: block; }
.hero__title { font-size: var(--fs-hero); line-height: 1.1; margin-bottom: var(--space-md); color: var(--text-bright); }
.hero__title .highlight { background: linear-gradient(135deg, var(--matrix-green), var(--neon-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-family: var(--font-body); font-size: clamp(1.1rem, 1.5vw, 1.4rem); color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); font-weight: 400; }
.hero__meta { display: flex; gap: var(--space-lg); justify-content: center; flex-wrap: wrap; margin-bottom: var(--space-xl); }
.hero__meta-item { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-dim); display: flex; align-items: center; gap: var(--space-xs); }
.hero__meta-item .dot { width: 6px; height: 6px; background: var(--matrix-green); border-radius: 50%; box-shadow: 0 0 6px var(--matrix-green); }
.hero__scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: var(--space-xs); animation: float 2.5s ease-in-out infinite; }
.hero__scroll-text { font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--matrix-green-dim); letter-spacing: 0.2em; text-transform: uppercase; }
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--matrix-green), transparent); }

/* ── Grids ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

/* ── Content ── */
.content-block { font-size: var(--fs-body); color: var(--text-primary); line-height: 1.9; max-width: 800px; margin: 0 auto; }
.content-block p { margin-bottom: var(--space-md); }
.content-block strong { color: var(--matrix-green); font-weight: 600; }

/* ── Dividers ── */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--matrix-green-20), transparent); margin: var(--space-xl) 0; }
.divider-glow { height: 2px; background: linear-gradient(90deg, transparent, var(--matrix-green), transparent); box-shadow: 0 0 20px var(--matrix-green-30); margin: var(--space-2xl) 0; }

/* ── Responsive ── */
@media (max-width: 1024px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .nav__links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,10,15,0.95); backdrop-filter: blur(30px); flex-direction: column; justify-content: center; align-items: center; gap: var(--space-lg); }
  .nav__links.open { display: flex; }
  .nav__burger { display: flex; }
  .section { padding: var(--space-2xl) var(--space-sm); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero__meta { flex-direction: column; align-items: center; }
}