/* ============================================================
   BAMBOO INTERIORISMO INTEGRAL — base.css
   Variables, reset, tipografía, animaciones, utilidades
   compartidas entre todas las páginas.
============================================================ */

/* ── RESET & VARIABLES ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cream:         #F5F0E8;
  --cream-dark:    #EDE6D6;
  --ivory:         #FAF8F3;
  --charcoal:      #1C1C1A;
  --charcoal-soft: #2E2D2A;
  --stone:         #7A7670;
  --stone-light:   #A8A49D;
  --gold:          #B8945A;
  --gold-light:    #D4AE78;
  --gold-pale:     #ECD9B8;
  --white:         #FFFFFF;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'Montserrat', sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--sans); background: var(--ivory); color: var(--charcoal); overflow-x: hidden; }

/* ── ANIMACIONES DE SCROLL ── */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1), transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-left {
  opacity: 0; transform: translateX(-50px);
  transition: opacity 1s cubic-bezier(0.16,1,0.3,1), transform 1s cubic-bezier(0.16,1,0.3,1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right {
  opacity: 0; transform: translateX(50px);
  transition: opacity 1s cubic-bezier(0.16,1,0.3,1), transform 1s cubic-bezier(0.16,1,0.3,1);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── SECCIONES COMUNES ── */
section { position: relative; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 4rem; }

.section-eyebrow { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; }
.section-eyebrow::before { content: ''; width: 30px; height: 1px; background: var(--gold); }
.section-eyebrow span {
  font-family: var(--sans); font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold);
}

.section-title {
  font-family: var(--serif); font-size: clamp(2.2rem,4vw,3.5rem);
  font-weight: 300; line-height: 1.15; color: var(--charcoal); letter-spacing: -0.01em;
}
.section-title em { font-style: italic; }

/* ── BOTONES COMPARTIDOS ── */
.btn-primary {
  font-family: var(--sans); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--charcoal); background: var(--gold);
  padding: 1rem 2.5rem; text-decoration: none;
  transition: background 0.3s, transform 0.2s; display: inline-block;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }

.btn-secondary {
  font-family: var(--sans); font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cream); background: transparent;
  padding: 1rem 2.5rem; text-decoration: none;
  border: 1px solid rgba(245,240,232,0.3);
  transition: border-color 0.3s, color 0.3s; display: inline-block;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

/* ── CTA FINAL (compartida en todas las páginas) ── */
.cta-final { padding: 10rem 0; background: var(--ivory); text-align: center; position: relative; overflow: hidden; }
.cta-final::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%); width: 600px; height: 600px;
  border-radius: 50%; border: 1px solid rgba(184,148,90,0.1);
}
.cta-final::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%); width: 400px; height: 400px;
  border-radius: 50%; border: 1px solid rgba(184,148,90,0.15);
}
.cta-inner { position: relative; z-index: 2; }
.cta-final .section-eyebrow { justify-content: center; }
.cta-final .section-title { margin-bottom: 1.5rem; }
.cta-final p { font-size: 0.85rem; line-height: 1.9; color: var(--stone); max-width: 450px; margin: 0 auto 3rem; font-weight: 300; }

/* ── RESPONSIVE BASE ── */
@media (max-width: 768px) {
  .section-inner { padding: 0 1.5rem; }
  .cta-final { padding: 6rem 0; }
  .cta-final .section-title { font-size: 2rem; }
}