/* ============================================================
   NÚÑEZ CONSORCIOS — hoja de estilos compartida
   Paleta: gris grafito, rosa palo, dorado, crema
   ============================================================ */

:root{
  --graphite: #2E2C2A;
  --graphite-soft: #5B5754;
  --pink: #C98A99;
  --pink-dark: #7A4550;
  --pink-tint: #FBEEF1;
  --gold: #B8935A;
  --gold-dark: #6B4F26;
  --gold-tint: #F3E9DA;
  --cream: #F7F4F0;
  --white: #FFFFFF;
  --border: #E4DED6;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1120px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--cream);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

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

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

h1,h2,h3{
  font-family: var(--font-display);
  color: var(--graphite);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 600;
}

h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em; color: var(--graphite-soft); }

.lead{
  font-size: 1.15rem;
  color: var(--graphite-soft);
  max-width: 640px;
}

/* ---------- eyebrow / signature mark ---------- */

.eyebrow{
  display:flex;
  align-items:center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: .9em;
}

.mark{ flex-shrink:0; display:block; }

/* ---------- header / nav ---------- */

.site-header{
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247,244,240,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--graphite);
}

.brand small{
  display:block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-dark);
}

nav.main-nav{ display:flex; align-items:center; gap: 26px; }

nav.main-nav a{
  font-size: .88rem;
  font-weight: 500;
  color: var(--graphite-soft);
  white-space: nowrap;
}

nav.main-nav a:hover, nav.main-nav a.active{ color: var(--graphite); }

.nav-toggle{ display:none; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  padding: 11px 22px;
  border-radius: 3px;
  border: 1px solid var(--graphite);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
  cursor:pointer;
}

.btn-primary{
  background: var(--graphite);
  color: var(--white);
}
.btn-primary:hover{ background: var(--gold-dark); border-color: var(--gold-dark); }

.btn-ghost{
  background: transparent;
  color: var(--graphite);
  border-color: var(--graphite);
}
.btn-ghost:hover{ background: var(--graphite); color: var(--white); }

.btn-gold{
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}
.btn-gold:hover{ background: var(--gold-dark); border-color: var(--gold-dark); }

.btn-sm{ padding: 8px 16px; font-size: .82rem; }

/* ---------- layout helpers ---------- */

section{ padding: 84px 0; }
section.tight{ padding: 56px 0; }
.section-alt{ background: var(--white); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section-dark{ background: var(--graphite); color: var(--white); }
.section-dark h2, .section-dark h3{ color: var(--white); }
.section-dark p{ color: #C9C5C0; }
.section-dark .eyebrow{ color: var(--pink); }

.center{ text-align:center; margin-left:auto; margin-right:auto; }

.grid{ display:grid; gap: 28px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }

@media (max-width: 880px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
}

/* ---------- divider (signature motif) ---------- */

.tri-divider{
  display:flex; align-items:center; gap: 16px;
  margin: 0 0 40px;
}
.tri-divider .line{ flex:1; height:1px; background: var(--border); }

/* ---------- hero ---------- */

.hero{ padding: 76px 0 64px; }
.hero .wrap{ display:grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items:center; }
.hero .credential{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:600; color: var(--gold-dark);
  background: var(--gold-tint); border:1px solid var(--gold);
  padding: 6px 14px; border-radius: 30px; margin-bottom: 22px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 30px; }

.hero-badge{
  border:1px solid var(--border);
  background: var(--white);
  border-radius: 6px;
  padding: 30px;
}
.hero-badge .mark-ring{ margin-bottom: 18px; }
.hero-badge dl{ margin:0; }
.hero-badge dt{ font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--graphite-soft); margin-top:14px; }
.hero-badge dt:first-child{ margin-top:0; }
.hero-badge dd{ margin:2px 0 0; font-family: var(--font-display); font-size:1.05rem; }

@media (max-width: 880px){
  .hero .wrap{ grid-template-columns: 1fr; }
}

/* ---------- cards ---------- */

.card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 30px;
}

.card-credential .mark{ margin-bottom: 16px; }

.tag{
  display:inline-block;
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.02em;
  color: var(--pink-dark);
  background: var(--pink-tint);
  padding: 4px 12px;
  border-radius: 30px;
}

/* ---------- process steps (edificios a estrenar) ---------- */

.steps{ counter-reset: step; }
.step{
  display:grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child{ border-bottom:none; }
.step-num{
  counter-increment: step;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
}
.step-num::before{ content: counter(step, decimal-leading-zero); }

/* ---------- testimonials ---------- */

.testimonial{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  position: relative;
}
.testimonial .quote-mark{
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}
.testimonial p.quote{ font-style: italic; color: var(--graphite); }
.testimonial .who{ border-top:1px solid var(--border); padding-top:12px; margin-top:14px; }
.testimonial .who strong{ display:block; font-size:.92rem; }
.testimonial .who span{ font-size:.82rem; color: var(--graphite-soft); }

/* ---------- FAQ (accordion, sin JS) ---------- */

details.faq{
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
details.faq summary{
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  list-style: none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 20px;
}
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{
  content: "+";
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink:0;
}
details.faq[open] summary::after{ content: "–"; }
details.faq .a{ margin-top: 12px; max-width: 720px; }

/* ---------- footer ---------- */

footer.site-footer{
  background: var(--graphite);
  color: #C9C5C0;
  padding: 56px 0 28px;
}
footer.site-footer h4{
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 14px;
}
footer.site-footer a{ color:#C9C5C0; }
footer.site-footer a:hover{ color: var(--white); }
footer.site-footer .foot-grid{
  display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px;
  padding-bottom: 34px; border-bottom: 1px solid #46433F;
}
footer.site-footer .foot-bottom{
  padding-top: 22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.8rem; color:#948F89;
}
footer.site-footer li{ margin-bottom: 8px; font-size:.92rem; }
footer.site-footer ul{ list-style:none; padding:0; margin:0; }

@media (max-width: 780px){
  footer.site-footer .foot-grid{ grid-template-columns: 1fr; }
}

/* ---------- forms ---------- */

form.contact-form{ display:grid; gap: 16px; max-width: 560px; }
form.contact-form label{ font-size:.85rem; font-weight:600; margin-bottom:6px; display:block; }
form.contact-form input, form.contact-form select, form.contact-form textarea{
  width:100%;
  font-family: var(--font-body);
  font-size: .95rem;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--white);
  color: var(--graphite);
}
form.contact-form textarea{ min-height: 120px; resize: vertical; }
form.contact-form .row-2{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
@media (max-width:600px){ form.contact-form .row-2{ grid-template-columns: 1fr; } }

/* ---------- mobile nav ---------- */

@media (max-width: 900px){
  nav.main-nav{
    position: fixed; inset: 64px 0 0 0;
    background: var(--cream);
    flex-direction: column;
    align-items:flex-start;
    padding: 30px 24px;
    gap: 22px;
    transform: translateX(100%);
    transition: transform .25s ease;
    overflow-y:auto;
  }
  nav.main-nav a{ font-size: 1.05rem; }
  .nav-toggle{
    display:flex; align-items:center; justify-content:center;
    width: 40px; height:40px; border:1px solid var(--border); border-radius:4px;
    background:none; cursor:pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:""; display:block; width:18px; height:2px; background:var(--graphite); position:relative;
  }
  .nav-toggle span::before{ position:absolute; top:-6px; }
  .nav-toggle span::after{ position:absolute; top:6px; }
  #nav-check:checked ~ nav.main-nav{ transform: translateX(0); }
}
@media (min-width: 901px){ .nav-toggle{ display:none; } }

/* ---------- misc ---------- */

.diff-list{ display:grid; gap: 18px; }
.diff-item{ display:grid; grid-template-columns: 32px 1fr; gap:16px; }
.diff-item .n{ font-family: var(--font-display); color: var(--gold); font-size:1.1rem; }

.cta-band{
  background: var(--gold-tint);
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}
.cta-band h2{ margin-bottom:.3em; }

.reg-note{
  font-size:.82rem; color: var(--graphite-soft);
  border-left: 3px solid var(--gold);
  padding-left: 14px;
  margin-top: 18px;
}