/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none;
}
.nav-logo span {
  font-size: 1.1rem; font-weight: 700; letter-spacing: -0.5px;
  background: var(--accent-g);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  object-fit: cover; object-position: center 5%;
  background: #cfe0f7;
  border: 2px solid rgba(59, 130, 246, 0.7);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
  flex-shrink: 0;
  display: block;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: 0.875rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 0.5rem 1.25rem; background: var(--accent);
  color: #fff; border-radius: 6px; font-size: 0.875rem;
  font-weight: 600; text-decoration: none; transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* ─── SECTIONS ─── */
section       { padding: 6rem 2rem; }
.container    { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800; letter-spacing: -1px; margin-bottom: 1rem;
}
.section-desc { color: var(--muted); max-width: 540px; font-size: 1.05rem; line-height: 1.7; }

/* ─── FOOTER ─── */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 2rem; text-align: center; color: var(--muted); font-size: 0.85rem;
}
footer a        { color: var(--accent2); text-decoration: none; }
footer a:hover  { text-decoration: underline; }