/* ============================================
   ROSALES PRIME — SISTEMA DE DISEÑO
   "Construimos más que casas, creamos hogares"
   ============================================ */

:root {
  /* Colores base */
  --black:      #0B0B0B;
  --dark:       #131211;
  --dark2:      #1B1917;
  --gold:       #D4AF37;
  --gold-soft:  #F1D982;
  --gold-dk:    #A88A1C;
  --terra:      #C9622E;
  --terra-soft: #E0936A;
  --cream:      #F8F5EF;
  --white:      #FFFFFF;
  --gray:       #6B6B65;
  --gray-lt:    #9A9890;

  --border:     rgba(212,175,55,0.18);
  --border-md:  rgba(212,175,55,0.32);
  --border-terra: rgba(201,98,46,0.30);

  --font-head: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --ease: cubic-bezier(.22,.85,.32,1);
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.container-wide { width: min(1360px, 94%); margin: 0 auto; }

/* ============ TIPOGRAFÍA ============ */
.eyebrow {
  font-size: .76rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--gold); }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.08; }
.section-title { font-size: clamp(2rem, 4vw, 2.9rem); margin: 14px 0 16px; }
.section-sub { color: var(--gray-lt); font-size: 1.05rem; max-width: 560px; }

/* ============ BOTONES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 4px;
  transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-gold { background: var(--gold); color: var(--black); }
.btn-gold:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-terra { background: var(--terra); color: var(--white); }
.btn-terra:hover { background: var(--terra-soft); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--border-md); color: var(--white); }
.btn-outline:hover { border-color: var(--gold); background: rgba(212,175,55,.06); }
.btn-block { width: 100%; justify-content: center; }

/* ============ NAV ============ */
header#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(11,11,11,.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: all .3s var(--ease);
}
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand-text strong { display: block; font-family: var(--font-head); font-size: 1.15rem; letter-spacing: .02em; }
.brand-text span { display: block; font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-soft); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links > a { font-size: .88rem; color: var(--cream); opacity: .85; transition: opacity .2s; position: relative; }
.nav-links > a:hover { opacity: 1; }
.nav-links > a.active { color: var(--gold); opacity: 1; }
.nav-links > a.active::after { content: ""; position: absolute; bottom: -6px; left: 0; right: 0; height: 2px; background: var(--gold); }

#lang-btn {
  background: rgba(212,175,55,.1);
  border: 1px solid var(--border-md);
  color: var(--gold);
  padding: 7px 15px;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  transition: all .2s;
}
#lang-btn:hover { background: rgba(212,175,55,.18); }

.nav-burger { display: none; width: 26px; height: 20px; position: relative; }
.nav-burger span { position: absolute; left: 0; right: 0; height: 2px; background: var(--gold); transition: all .3s var(--ease); }
.nav-burger span:nth-child(1) { top: 0; }
.nav-burger span:nth-child(2) { top: 9px; }
.nav-burger span:nth-child(3) { top: 18px; }

/* ============ FOOTER ============ */
footer { background: var(--dark2); border-top: 1px solid var(--border); padding: 60px 0 28px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.footer-brand-block { display: flex; align-items: flex-start; gap: 12px; }
.footer-brand-block img { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; }
.footer-tagline { font-family: var(--font-head); font-size: 1.1rem; color: var(--gold-soft); margin: 10px 0 6px; line-height: 1.3; }
.footer-desc { color: var(--gray-lt); font-size: .88rem; max-width: 280px; }
.footer-col h4 { font-family: var(--font-body); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; font-weight: 700; }
.footer-col a, .footer-col p { display: block; color: var(--gray-lt); font-size: .9rem; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--gold-soft); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; flex-wrap: wrap; gap: 12px; }
.footer-copy { color: var(--gray); font-size: .8rem; }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a { color: var(--gray); font-size: .8rem; }
.footer-legal a:hover { color: var(--gold-soft); }

/* ============ WHATSAPP FLOAT ============ */
.wa-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 400;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  transition: transform .25s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; fill: white; }
.wa-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: var(--white); color: var(--black); padding: 8px 14px;
  border-radius: 6px; font-size: .82rem; font-weight: 600; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.wa-float:hover .wa-tooltip { opacity: 1; }

/* ============ PAGE HERO (subpáginas) ============ */
.page-hero {
  padding: 168px 0 70px;
  background: linear-gradient(180deg, var(--dark) 0%, var(--black) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; top: -30%; right: -10%;
  width: 540px; height: 540px;
  background: radial-gradient(circle, rgba(212,175,55,.07), transparent 70%);
  pointer-events: none;
}
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin: 16px 0 18px; max-width: 780px; }
.page-hero p { color: var(--gray-lt); font-size: 1.08rem; max-width: 600px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .82rem; color: var(--gray-lt); margin-bottom: 18px; }
.breadcrumb a { color: var(--gold-soft); }
.breadcrumb span { color: var(--gray); }

/* ============ UTILIDADES ============ */
.r { opacity: 0; transform: translateY(28px); transition: all .7s var(--ease); }
.r.v { opacity: 1; transform: translateY(0); }
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0 !important; }
.divider-gold { width: 60px; height: 2px; background: var(--gold); margin: 24px 0; }

/* ============ RESPONSIVE ============ */
@media (max-width: 880px) {
  .nav-links { position: fixed; top: 0; right: -100%; height: 100vh; width: min(320px, 80vw);
    background: var(--dark2); flex-direction: column; justify-content: center; align-items: flex-start;
    padding: 0 40px; gap: 26px; transition: right .35s var(--ease); border-left: 1px solid var(--border); }
  .nav-links.open { right: 0; }
  .nav-burger { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand-block { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 140px 0 50px; }
}