/* ─── Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', system-ui, sans-serif; }

/* ─── Hero ──────────────────────────────────────────── */
.hero {
  background: url('https://picsum.photos/seed/casaantelo-hero/1920/1080') center center / cover no-repeat;
  min-height: 100vh;
}
.hero-gradient {
  background: linear-gradient(180deg, rgba(4,11,22,.3) 0%, rgba(4,11,22,.55) 55%, rgba(4,11,22,.95) 100%);
}

/* ─── Buttons ───────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: #34D4A0; color: #040B16;
  font-weight: 600; font-size: .9375rem;
  padding: .8125rem 1.75rem; border-radius: .625rem;
  text-decoration: none; border: none; cursor: pointer;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary:hover { background: #2bc08e; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(52,212,160,.25); }

.btn-outline {
  display: inline-flex; align-items: center; gap: .5rem;
  background: transparent; color: #f0f4f8;
  font-weight: 500; font-size: .9375rem;
  padding: .8125rem 1.75rem; border-radius: .625rem;
  border: 1px solid rgba(255,255,255,.2); text-decoration: none;
  transition: border-color .2s, background .2s;
}
.btn-outline:hover { border-color: rgba(52,212,160,.5); background: rgba(52,212,160,.06); }

/* ─── Label mint ────────────────────────────────────── */
.label-mint {
  display: inline-block;
  font-size: .75rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: #34D4A0;
}

/* ─── Inputs ────────────────────────────────────────── */
.input-field {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: .5rem; padding: .6875rem .875rem;
  color: #f0f4f8; font-size: .9375rem; font-family: inherit;
  transition: border-color .2s, background .2s;
  width: 100%;
}
.input-field::placeholder { color: rgba(163,180,204,.5); }
.input-field:focus { outline: none; border-color: #34D4A0; background: rgba(52,212,160,.05); }

/* ─── Side nav (desktop) ────────────────────────────── */
.side-nav {
  width: 0;
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1), width .35s cubic-bezier(.4,0,.2,1);
}
@media (min-width: 1024px) {
  .side-nav {
    width: 15rem;
    transform: translateX(0);
  }
  .main-content { margin-left: 15rem; }
}

.nav-link { color: rgba(163,180,204,.7); }
.nav-link:hover { color: #f0f4f8; background: rgba(255,255,255,.04); }
.nav-link.active {
  color: #34D4A0;
  background: rgba(52,212,160,.08);
}
.nav-link.active svg { color: #34D4A0; }

/* ─── Mobile header ─────────────────────────────────── */
.mobile-header { display: none; }
@media (max-width: 1023px) {
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; }
  .side-nav { transform: translateX(-100%); width: 16rem; }
  .side-nav.open { transform: translateX(0); }
}

.mobile-overlay { display: none; }
.mobile-overlay.open { display: block; }

/* ─── Reveal on scroll ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Room cards ────────────────────────────────────── */
.room-card {
  background: rgba(11,29,58,.5);
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 1rem;
  padding: .5rem;
  transition: border-color .3s, box-shadow .3s;
}
.room-card:hover { border-color: rgba(52,212,160,.2); box-shadow: 0 8px 32px rgba(0,0,0,.3); }

/* ─── Service cards ─────────────────────────────────── */
.service-card { transition: border-color .3s, transform .2s; }
.service-card:hover { transform: translateY(-2px); }

/* ─── Entorno cards ─────────────────────────────────── */
.entorno-card {
  background: rgba(11,29,58,.5);
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 1rem;
  padding: .5rem;
  transition: border-color .3s, box-shadow .3s;
}
.entorno-card:hover { border-color: rgba(52,212,160,.2); box-shadow: 0 8px 32px rgba(0,0,0,.3); }

/* ─── Scrollbar ─────────────────────────────────────── */
.side-nav ul::-webkit-scrollbar { width: 3px; }
.side-nav ul::-webkit-scrollbar-track { background: transparent; }
.side-nav ul::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }