/* =========================================================
   BASE.CSS — Compartido por TODAS las páginas de Studio Aire
   Reset, variables, tipografía, botones, navbar, footer, animaciones
   ========================================================= */

/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --radius: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  min-height: 100%;
  width: 100%;
  overflow-x: hidden;
  background: linear-gradient(160deg, var(--azul-claro) 0%, var(--azul-medio) 55%, var(--azul-profundo) 100%);
}

body {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--negro);
  min-height: 100vh;
  min-height: 100dvh;
  min-height: calc(var(--vh, 1vh) * 100);
  background: linear-gradient(160deg, var(--azul-claro) 0%, var(--azul-medio) 55%, var(--azul-profundo) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .logo {
  font-family: 'Archivo Black', sans-serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== ANIMACIONES BASE ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -30px) scale(1.05); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(124, 58, 237, 0); }
}

.fade-up { animation: fadeUp 0.7s var(--ease) both; }
.fade-up-1 { animation: fadeUp 0.7s var(--ease) 0.1s both; }
.fade-up-2 { animation: fadeUp 0.7s var(--ease) 0.2s both; }
.fade-up-3 { animation: fadeUp 0.7s var(--ease) 0.3s both; }

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 100px;
  border: none;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--negro);
  color: var(--crema);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(13,13,13,0.25);
  background: var(--morado);
}

.btn-accent {
  background: var(--lima);
  color: var(--negro);
}
.btn-accent:hover {
  transform: translateY(-3px) rotate(-1deg);
  box-shadow: 0 10px 25px rgba(212,255,63,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--negro);
  border: 2px solid var(--negro);
}
.btn-outline:hover {
  background: var(--negro);
  color: var(--crema);
  transform: translateY(-3px);
}

.btn-block { width: 100%; }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }

/* ===== NAVBAR (app) ===== */
.navbar {
  background: rgba(207, 207, 207, 0.482);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--negro);
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
}
.navbar .logo { font-size: 1.2rem; }
.navbar .logo span { color: var(--morado); }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  background: var(--lima);
  transition: width 0.25s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--morado); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 26px;
  height: 3px;
  background: var(--negro);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 32px 24px;
  border-top: 2px solid var(--negro);
}
.nav-mobile a {
  padding: 14px 0;
  font-weight: 600;
  border-bottom: 1px solid #e8d9d9;
}
.nav-mobile a.active { color: var(--morado); }
.nav-mobile.open { display: flex; }

/* ===== FOOTER (app) ===== */
.footer {
  padding: 30px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gris);
  border-top: 2px solid var(--negro);
}

/* ===== RESPONSIVE BASE ===== */
@media (max-width: 768px) {
  .nav-links,
  .nav-actions { display: none; }
  .menu-toggle { display: flex; }
}

@media (max-width: 480px) {
  .nav-content { padding: 16px 20px; }
  .container { padding: 0 20px; }
}

/* ===== ACCESIBILIDAD: RESPETA PREFERENCIA DE MOVIMIENTO REDUCIDO ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}