/* ================================================================
   HEADER — Navegación principal sticky
   ================================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ───────────────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
}

.logo-img--header {
  height: 40px;
  width: auto;
  max-width: 220px;
  display: block;
}

.logo-img--footer {
  height: 56px;
  width: auto;
  display: block;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--black);
  color: var(--cream);
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 800;
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--pink) 0%, transparent 60%);
  opacity: 0.7;
}

.logo-mark span {
  position: relative;
  z-index: 1;
}

.logo-name sup {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 13px;
  color: var(--pink);
  margin-left: 2px;
}

/* ── Nav ────────────────────────────────────────────────────── */
.nav {
  display: flex;
  gap: 6px;
  align-items: center;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
  padding: 6px;
  border-radius: 999px;
}

.nav a {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: var(--black);
  color: var(--cream);
}

/* ── CTA Header ─────────────────────────────────────────────── */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px 10px 22px;
  background: var(--black);
  color: var(--cream);
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.3s ease, transform 0.3s ease;
}

.cta-btn .arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--pink);
  color: var(--black);
  display: grid;
  place-items: center;
  transition: transform 0.3s ease;
}

.cta-btn:hover {
  background: var(--pink-deep);
}

.cta-btn:hover .arrow {
  transform: rotate(-45deg);
}

/* ── Hamburger ──────────────────────────────────────────────── */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--black);
  color: var(--cream);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }